In fact, each letter has more than one scene, which means theres no duplication even if your kid has the unlikely name Daaaaavid. The only minor snag on iPhone is the text is sometimes a bit small. You can use a zoom gesture, but the second you let go, the page snaps back into place.

Still, should you want to free your book from the confines of your iPhone,
you can order a printed version. And should you want to revisit previous adventures in digital form, they remain stored inside the app. Peek-a-Zoo

Peek-a-Zoo doesnt look like much at first, given that every scene
essentially features simplistic cartoon animals atop a flat slab of color,
but you soon appreciate how much imagination has gone into this basic setup when you watch a child using the app.

Its all down to the questions, which challenge a toddler to find the right animal. Theyll be asked things like whos dressed up (which character has the hat), whos winking, or whos trying to hide. That last one makes brilliant use of the minimalist graphics, hiding an animal by matching its body to the
games background.

Its all very sweet-natured, and has surprising range given how simple it is. Thats something to appreciate a free childrens app thats free from cruft and ads. Toca Tailor Fairy Tales

Toca Tailor Fairy Tales turns your child into a designer and stylist. On selecting a character to clothe, they can then drag and swipe to give them a beautiful new outfit.

Well, beautiful might be a stretch. The mix-and-match nature of the app
offers equal potential for eye-searing garish fashion disasters. This is especially true when you delve into the materials section, zooming and rotating textures, or adding new ones by way of the camera.

Garments can be adjusted in other ways, too tap to switch to a different type, or drag to change somethings length. Last of all, there are accessories to give the model a perfect final touch or a very silly hat. Laugh & Learn Shapes & Colors

Laugh & Learn Shapes & Colors Music Show for Baby is an interactive experience designed for very young children. Level 1 should be approachable enough even for a six-month-old youre brave enough to arm with your
worryingly expensive iPhone; they can tilt and tap to make shapes appear and bounce around the screen.

Level 2 is squarely designed at toddlers. The app chirps Lets put on a show! as shapes dance and jump about on the screen. This is augmented by jaunty earworms that will burrow into your skull, while your tiny human makes their own live remix by prodding at a colorful piano keyboard. Itll drive you bonkers, but the smile on that little face will be worth it. Probably. Lego Creator Islands

Lego Creator Islands might seem like an odd choice for inclusion here, since parents would most likely sooner see their children playing with plastic bricks rather than virtual ones on an iPhone. But when the real thing isnt available, this official game does the business.

It all takes place on the titular islands, which you explore to collect
bricks that act as a kind of in-game currency. These can then be used to acquire Lego sets that are constructed with a few deft taps.

The selection is fairly small, but even so you can over time build a rather nice set of islands, featuring houses, roaming animals and dinosaurs, and vehicles blazing about the place. Also, theres no chance of getting a plastic brick embedded in your foot. The best free music and audio apps for iPhone

Our favorite free iPhone apps for playing songs, listening to podcasts,
making music and being a virtual DJ. Seaquence

Seaquence invites you to make living music. What this means is whatever you devise has the appearance of colorful creatures swimming in a Petri dish.

The actual bones of creating music are more conventional, though. On adding a new planktone creature, you tap out notes on a grid. If youre not keen on its sound, you can choose from one of the four other options, and mess about with the waveform.

Results tend to be a mite more abstract than, say, GarageBand compositions, but this is nonetheless a vibrant and interesting take on making music. Moreover, if you dont feel creative, loads of built-in examples are there to listen to; or, conversely, should you get really into Seaquence, a one-off
IAP unlocks pro-oriented note and sound editing features. AudioKit Synth One Synthesizer

AudioKit Synth One Synthesizer is perhaps the most audacious synth youre
ever going to see on iPhone. Thats not because its full of knobs to twiddle, and amazing sounds although Synth One is blessed with an abundance of both; its because you get all of this entirely for free.

There are no catches, and no ads. This is a fully open-source project that
can match the power, quality, and clout of the most pro-level software found on iOS. This means if youre a pro, you can delve into fashioning presets, working with MIDI, wiring up the synth via IAA or AudioBus, and more besides. If you merely like making a noise, you get a superb iOS synth for no outlay whatsoever. The word bargain doesnt really cover it. djay

djay is an app for budding DJs who want to spin some virtual vinyl. Launch the app and you can convince yourself that youre a perfect mix of Martin Garrix and David Guetta, slamming amazing tunes into your ears, while
fiddling with a mixer, looping, EQ, filters and effects. Alternatively, you can just fire up the apps Automix feature and let it get on with all the tricky stuff.

With Spotify and iTunes integration, its not hard to find things to play, although the interface on iPhone is a touch fiddly for full-on DJ work
(rather than entertainment for a wannabe). On that basis, wed exercise
caution before grabbing the feature-rich pro-subscription.

That said, if youve got an external DJ controller, djay for iPhone can feasibly become a vital and portable toolkit component even for the pros. Wilson FM

Wilson FM reasons there an awful lot of podcasts, and its tricky to find great new ones to listen to. It therefore packages hand-picked individual episodes in the format of a magazine.

A new issue of Wilson FM arrives every week, and each one is designed to be thematically and culturally relevant. Its also a handy way of branching out from your usual listening bubble, and delving into the likes of entertaining science, the meaning of words, and cracking cultural mysteries.

The player itself is basic, and not a patch on the likes of Overcast. But thats not the point of Wilson FM. Its here to help you discover new things, and if you chance across a really great show, you can always copy its link
and subscribe to it elsewhere. Beatwave

Beatwave wants to simplify the process of creating music. You tap notes on
to a grid, which explode in color like digital fireworks when the playhead hits them. You can keep adjusting your loop live, or add depth by overlaying loops of different sounds, including drums.

For an app that looks so simple, and with vibrant blasts of color not usually associated with music creation tools, theres surprising depth here, with sliders to tweak sounds, drum generators, and auto-chords. Veterans, though, may miss the originals more approachable square grid play surface, which echoed Yamahas Tenori-on.

The only other downside is the sounds you get being a touch limited. Still, theres enough range for whats ultimately a musical sketchpad; and if you want more, the pro IAP US$9.99/9.99/AU$14.99 adds several extra sets. Yousician

Yousician helps you to master a musical instrument or sing, but without that feeling like a chore. To that end, it often resembles a video game.

When youre learning piano, the interface depicts scores and keyboards with bright colors to help guide your eyes and finger, but the app really comes alive when youre learning guitar. It turns into something like Guitar Hero, only youre using a real guitar and the app is cunningly teaching you how to play.

Things start with the basics, but before long youre strumming and picking
with the best of them. The only big limit in the free version is daily play time. Grab a subscription if you fancy learning more rapidly. GarageBand

The iPhone version of GarageBand has always been ambitious. Aiming at newcomers and professionals alike, its feature set includes smart instruments that always keep you in key, multitrack recording/editing functionality, a loops player, and superb guitar amps.

But 2017s major update takes things much further, with new synth Alchemy improving the apps previously slightly ropey sound set. Smart piano strips have been expanded to all keyboard instruments, helping anyone to play
perfect melodies.

And Audio Unit support exists to load third-party synths directly inside of GarageBand, similar to how plug-ins work on desktop music-making apps.

Because of these things, GarageBand is now even more suited to musicians of all skill levels although be aware on smaller screens that the app can be a touch fiddly, what with there being so much going on. Figure

Plenty of apps claim they can get you making music in seconds, but Figure really means it. The app's heritage helps, as it comes from Propellerhead Software, creators of the legendary Reason and ReBirth.

In Figure, though, working on loops and beats is stripped right back from
what you'd find in those complex PC apps; instead, you tap out drums, and slide your finger around to fashion monster bass and playful leads.

Sounds can be tweaked or swapped out entirely at any point. Once you're done, finished tracks can be uploaded and shared online. For serious musicians, there's even Audiobus support. Overcast

Sometimes with apps, it's the seemingly little things that make a big difference. With Overcast , for example, you get a perfectly decent podcast app that does everything you'd expect: podcast subscriptions; playback via downloads or streaming; a robust search for new shows.

But where Overcast excels is in attempting to save you time and improve your listening experience. Effects (which can be assigned per-podcast) provide the smartest playback speed-up we've heard, voice boost for improving the clarity of talky shows, and smart speed.

The last of those attempts to shorten silences. You won't use that setting
for comedy shows, but it's superb for lengthy tech podcasts. As of version 2.0, Overcast is free, and betters all the other iOS podcast apps that also lack a price tag. (Should you wish to support the app, though, there's an entirely optional recurring patronage IAP.) Novation Launchpad

On the iPad, Novation Launchpad is one of the best music apps suitable for absolutely anyone. You get a bunch of pads, and tap them to trigger audio loops, which always sound great regardless of the combinations used. This isn't making music per se , but you can get up a good head of steam while imagining yourself as a futuristic combination of electronic musician, DJ and mix genius.

On iPhone, it shouldn't really work, the smaller screen not being as suited
to tapping away at dozens of pads. But smart design from Novation proves otherwise. 48 trigger pads are placed front and centre, and are just big enough to accurately hit unless you've the most sausagey of sausage thumbs.

Effects lurk at the foot of the screen tap one and a performance space
slides in, covering half the screen, ready for you to stutter and filter your masterpiece.

As on the iPad, you can also record a live mix, which can be played back, shared and exported. This is a really great feature, adding optional permanence to your tapping exploits. The best free office and writing apps
for iPhone

Our favorite free iPhone web browsers, calculators, password security tools and writing apps. (Image credit: Meanterm Inc) The Clocks

The Clocks provides an alternative to Apples built-in Clock app, which is ideal for those times when your iPhones docked in a stand or charger. Instead of Apples workmanlike world clock, this free iPhone app lets you choose between a full-screen analog clock, flip clock, or retro glowing LED face.

Each clock has various settings you can adjust the appearance of the analog clock, change the color of the LED face, and opt to remove seconds from any
of the clocks. And should you hanker after a world clock after all, a double-tap on the top half of the screen switches you to a view with six configurable clocks.

Most free clock apps on the App Store are stuffed full of ads. By contrast, this one does everything right: its clean, usable, customizable, and cruft-free. (Image credit: Readdle Inc) Documents by Readdle

Documents by Readdle gives you an alternative to Apples Files on your
iPhone. With its new Plus button, you can quickly import documents from a range of networked and cloud services, and subsequently manage them within
the app. Many formats can be previewed, and ZIP archives can be created and sent elsewhere. Theres a built-in browser as well, which has standard and private tabs, and proves effective and responsive in operation.

With the improvements that came to Apples Files app in iOS 12 and iOS 13, Documents is perhaps now less essential, but we reckon its still handy. Many actions within this free iPhone app are faster and more user-friendly than in Apples, and it offers secure file storage and browsing if you otherwise want to keep Files and Safari unlocked. Given the lack of a price tag, its well worth checking out, in case you might find it useful too. (Image credit:
James Saeed) Hour Blocks: Day Planner

Hour Blocks: Day Planner reimagines calendars in brutally simplified form, reasoning what you need to be productive is a clear idea of what youre doing during any given hour, rather than a slew of overlapping tasks.

The app can integrate with existing iOS calendar data, but will only display one item if youve got clashing events. Its therefore better to start from scratch. Events in the app can have custom names and icons, and sync across devices by way of iCloud.

Although primarily intended for what youre doing today, Hour Blocks lets you peek into the future if you scroll down. And if you desperately need to, its possible to break tasks into sub blocks if you go pro ($1.99/1.99/AU$2.99). Arguably, though, Hour Blocks works best in its free incarnation, forcing you to rethink how you organize your time. (Image credit: TechRadar) Secure ShellFish

Secure ShellFish is an SSH and SFTP file manager. This enables you to make connections with remote storage, such as Macs and PCs on a local network, or servers hosting websites youve built.

Such apps are nothing new to iOS, but ShellFish has plenty going for it. The app immediately locates local network shares to connect to you merely need
to add a username and password. Or you can quickly and simply add as many remote servers as you like. In Apples Files, you then set ShellFish as a location, whereupon you can access your documents.

The app occasionally nudges you to buy the $6.99/6.99/AU$10.99 pro unlock which is excellent value, adding offline features and more but the free offering is a good bet, too. Otter Voice Notes

Otter bills itself as the place where conversations live. Which is a lofty way of saying its a voice memos app. That might not sound exciting, but Otter has fantastic features for anyone in the habit of jabbering at their phone.

It auto-transcribes in an intelligent manner, automatically including punctuation. You get ten hours per month for free, which seems generous. Additionally, notes are timestamped, can have inline images and highlights, and automatically get summary keywords, so you can check subjects at a
glance.

Theres cloud data sync, conversation sharing, and Face ID/Touch ID security, too. Although theres a paid plan, thats only needed if you want up to 100 transcription hours per month or bulk file export. For most people, though, looking for a zero-hassle memos app with transcription, Otters free incarnation cant be beaten. LastPass

LastPass has a lot in common with Apples iCloud Keychain, which comes baked into your iPhone. You get a place in which to securely store website login/password details and payment information. This integrates with Safari, and also from iOS 12 onwards with third-party app sign-in screens.

The main advantage of LastPass over Apples solution is that its available for Android and Windows, meaning you can use your passwords on whatever system
you wish. But also it includes secure notes, and custom form filling options, which prove handy as well.

Because LastPass can be used alongside (rather than instead of) iCloud Keychain, its worth a look regardless, not least given that its editing and browsing interface far betters Apples. And although theres a premium tier,
the free version will be enough for most. Drafts 5

Drafts 5 describes itself as the place where text starts on your iPhone. Thats quite the claim, but the app really does excel if you work with words.

The efficient interface makes it a breeze to work on structured text with Markdown, glancing at a live word count as you go. A customizable keyboard
row provides speedy access to Markdown tools or anything else you fancy stashing there for easy access.

Once youre done, you can keep your documents in Drafts, where they remain easily searchable, and can even be added to from the Apple Watch app. Or you can send them elsewhere by utilizing a range of actions. Splash out on a subscription and you unlock even more power; but for free, Drafts 5 is an astonishing bargain for anyone in the market for a top-notch iPhone text editor. DuckDuckGo Privacy Browser

DuckDuckGo Privacy Browser is a web browser that reasons privacy shouldnt be an optional extra. Instead, it doubles down on giving you control over your personal information as you browse the web, regardless of what youre doing.

By default, tracker networks are blocked, encryption is forced whenever its available, and searches use DuckDuckGo, which never tracks you. Should you finish doing something confidential, you can prod a single button to erase your entire browsing history easy. The browser can also give you details on any sites privacy measures, and show improvements its made on your behalf.

DuckDuckGo Privacy Browsers simplicity and standalone nature mean it might
not be a total replacement for Safari, but its worth installing as a back-up browser or even just if you fancy checking out the privacy credentials of sites you enjoy using. Cake Browser

Cake Browser is a mobile-centric web browser that wants you to skip right to dessert. Instead of presenting you with a list of search results, Cake immediately displays what it thinks is the most relevant page, while others load in background tabs. You then swipe between them (though you can still access a traditional results list by swiping from the left).

There are great ideas in Cake, not least the buttons that trigger searches specifically for video, images, news, and shopping.

The downside is that the search engines and sites Cake uses arent configurable, and the results it provides arent always what you want. Even
so, that sense of surprise, and not always heading to the same old places, makes Cake worth a look even if you stick to Safari for the bulk of your browsing. Pages

Pages is a fully fledged and fully free word processor for your iPhone. Word processing might not be top of your list of iPhone-related tasks, but this great app might just change your mind.

Pages includes a wide range of templates, such as reports, letters, cards and posters. Although you probably wont want to create and edit an entire
magazine on your smartphone, Pages is user-friendly, with an efficient interface thats suitable for banging out a first draft of a letter, leaflet
or poster while youre on the train.

Thanks to iCloud sync, whatever you create in Pages can be opened on a Mac or iPad running the app. If youre resolutely iPhone-only, you can export your work in a range of formats, including PDF and Microsoft Word. If youre really rocking it old-school, you can even send it to an AirPrint printer. PCalc
Lite

PCalc Lite is a version of leading iOS calculator PCalc , aimed at people
who arent keen on spending money. In terms of functionality, its more
stripped back than its paid sibling, but the apps guts are identical.

What this means is PCalc Lite is undoubtedly the best free traditional calculator for iPhone. Its fast, responsive, and friendly, and bundles a
small set of useful conversions for length, speed, temperature, volume, and weight.

If you want to bolt on something from the paid version, IAPs exist, such as for multi-line support, or extra conversion options.

When iOS 11 arrived, Apples built-in calculator proved buggy, leading to people scrabbling around for an alternative. With PCalc Lite installed, that need never happen to you. Scanbot Scanner App

Scanbot Scanner App is, suitably, a scanner for your iPhone. This might seem unnecessary now Apples Notes app includes scanning functionality; and,
indeed, Scanbot and Notes do have some overlap. Even so, we reckon Scanbot is very much worth a download.

First and foremost, having a separate scanning app is more efficient. Rather than fiddling around setting up a new scan in Notes, embedding imagery, and then sharing your scans, Scanbot has a sleeker user flow.

It also seems faster than Apples app when it comes to scanning for which you can scan single or multi-page documents, and then apply effects to the end results.

Scanbot also has an upgrade path, for those who want more. Pay and you gain access to automatic cloud uploads, PDF editing, document encryption, and OCR. But even for free, Scanbot deserves a place on your iPhone. The best free productivity apps for iPhone

Our favorite free iPhone apps for being more productive with reminders, to-do lists, flash cards, timers, keyboards, conversion aids and automation. (Image credit: Federico Gentile) Buddywatch

Buddywatch calls itself your personal watch face stylist. Although you can spend a lot of time messing around and creating custom Apple Watch faces yourself, now these things can be shared, its an awful lot easier to see if someone else has already done all the hard work.

What you get in-app is a directory to scroll through, adding faces to your collection if you choose to sign up. Regardless, when you find a favorite,
you can download it to your device and send it across to your Apple Watch
with a couple of taps.

This is of course all available online at the Buddywatch website; but having
a sleek, simple, usable app housing many hundreds of great Apple Watch faces you can apply in an instant takes it to the next level. (Image credit: Daniel Gauthier) Oh Bother

Oh Bother provides a potential solution if you live and/or work in a shared space and have times where you really dont want to be disturbed.

After choosing a username and icon, you set your status (botherable/unbotherable), context (such as Im on a phone call or Im taking a nap), and the duration of said status. These details can then be shared with other people via Messages.

During testing, status changes appeared on other peoples screens within seconds. Most importantly, the entire app feels approachable a friendly way to create boundaries. The only real snag (besides a lack of custom contexts) is it being tied to iPhone. It works on iPad (albeit zoomed), but theres no Android version. Still, if you live or work with a bunch of iPhone owners,
its a great freebie. (Image credit: Cromulent Labs) Launcher with Multiple Widgets

Launcher with Multiple Widgets is a customizable widget for Today view,
which can be used to quickly launch all kinds of things. It can provide deep access into apps, so you can fire off an email, run a Shortcuts workflow,
open a website, or instantly access a Settings pane without laboriously navigating through that app.

Setup is simple. Using the Launcher app, you can rapidly create and arrange your set of launchers. These can be updated at any point, as you learn which shortcuts make you more productive and save you time.

All this, along with iCloud backup and restore of your widgets, comes
entirely for free. But theres a paid tier, too splash out on that and you
can configure up to six widgets, each of which can usefully be shown or
hidden based on your location, or the time of day. (Image credit: Momenta B.V.) Agenda

Agenda merges a notepad and task manager ideal for people whod usually jot down ideas and events on a scrap of paper, but whod quite like said paper to be magical and actually organize everything for them.

Notes can be grouped into projects, be linked to Calendar and Reminders, and have attachments for added context, such as office documents, scans, and photos. Whatever you add can then be blazed through in timeline views that
let you quickly get at the past, present and future.

For $9.99/9.99/AU$14.99, you can unlock Agendas premium features. These enhance integration with Calendar and Reminders, give you pinned notes, and add to formatting options. But even if you only ever use the entirely free version of the app, its excellent if you rely heavily on notes on your
iPhone, but have always wanted them to do more. Launch Center Pro

Launch Center Pro has a lot of crossover with the home screen and Apples
Siri Shortcuts. Its perhaps best thought of - as its creator says - as a
speed dial for apps. In each spot on the grid, you can place buttons to
launch apps, or group buttons you hold down to access a second level of shortcuts.

Some apps offer deeper links, enabling you to trigger specific actions. You can also configure whats included in the apps home screen quick actions, and in the Launch Center Pro widget, thereby powering up your launching outside
of the app itself.

For free, there are limits: a cap on actions; no location triggers; no scheduling. Naturally, these can be removed with IAP. But even for free, theres a lot to love here, in being able to boost the power of your launching digit. Bring!

Bring! offers a new spin on shared shopping lists. Although you can create a straightforward shared text-based list in Reminders, Bring! opts for large colored buttons adorned with icons. Not only are these easier to spot when youre in a busy supermarket with a basket on one arm and a toddler on the other, theyre also a mite simpler to tap.

Beyond this, theres all kinds of smart stuff going on. Color-coded rings on items change from green to orange to red when the product is getting closer
to running out. For items where you want something very specific, you can add notes and a photo.

And when you fancy letting everyone know youve made changes to a list shared with many people (for example, in an office), ready-made messages can be
sent, saving you the hassle of crafting one yourself. Shortcuts

Shortcuts is Apples redesign of the well-regarded Workflow app, which aims
to streamline your day by automating common tasks.

Apps of this ilk have a history of being geeky and impenetrable, but
Shortcuts is the friendly face of automation. In the Gallery view are dozens of pre-made workflows to download, which perform actions like calculating tips, figuring out how long itll be before youre home, and logging aspects of your routine.

Actions can be added to your Home screen as pseudo-apps, and triggered from Today view or by using Siri voice commands.

For a fully custom experience, theres an editing view to dig into. You can tweak existing downloads, or start with a blank canvas, adding actions using
a drag-and-drop interface. On an iPhone Plus models or iPhone XS Max, this works particularly well in landscape, with an iPad-like dual-pane interface. Meteor

Meteor is an internet speed tester designed for human beings. It eschews complex information and even advertising and instead provides you with straightforward, colorful buttons and readouts.

An inviting Start Testing button kicks things off, whereupon the app sets about checking your internet connections performance, a little meteor animating on-screen as it does so. Once the tests are done, speeds are
scored, and are subsequently available from the History tab.

Meteor also attempts to estimate how well your connection would fare with popular apps and games, six of which can be added to an app performance bar. These values should perhaps be taken with a pinch of salt, but this freebie nonetheless impresses for being a no-nonsense, user-friendly, ad-free way to check internet connectivity. MultiTimer

Apples pre-loaded Clock app has a perfectly serviceable timer but you only get one countdown at any given moment. MultiTimer , as its name might
suggest, gives you multiple timers that you can set going simultaneously.

On launching the app, youll find six timers already set up. Each has a different color, name and icon. Tap a timer and it starts, tap again to
pause, or double-tap to reset. Easy. Long press and you open the timers options, so you can adjust its default time, label, color, icon and sound.

You also have plenty of preferences to delve into, including adjusting the default workspace. Should you want extra workspaces or a custom layout grab the $4.99/4.99/AU$7.99 MultiTimer Pro IAP. Tinycards

From the brains behind game-like language-learning app Duolingo comes Tinycards . The aim is to enable people to memorize anything by way of friendly flashcard sets.

Duolingo itself offers a number of sets based around language, history and geography. Smartly, though, anyone can create and publish a set, which has
led to hundreds of decks about all kinds of subjects, from renaissance art to retro computing.

The memorizing bit is based around minutes-long drills. Youre presented with cards and details to memorize, which the app then challenges you on, by way
of typing in answers or answering multiple choice questions.

Some early teething problems with typos and abbreviations (for example, stating USA was incorrect because United States of America was the answer) have been dealt with by way of a handy I was right button. Just dont press it when you dont really know the answer, OK? Cheatsheet

The idea behind Cheatsheet is to provide fast access to tiny chunks of information you never remember but really need to: your hotel room, your
car's number plate, Wi-Fi passwords, or, if you're feeling suitably retro,
the Konami code.

Set-up is pleasingly straightforward. Using the app, you add 'cheats' by selecting an icon and then typing your info nugget. When you've got yourself
a number of 'cheats', they can be reordered as you see fit. Once you're done, the entire lot can be displayed on the Today widget or an Apple Watch.

Cheatsheet saves some features for a $2.99/2.99/AU$4.49 'pro' upgrade - a custom keyboard, an action extension, some of the icons, and iCloud sync. But the free version is nonetheless useful and generous, along with making really good use of the Today view on your phone. Lrn

We keep hearing about how important coding will be to the future of everything. That's all very well, unless code makes about as much sense to
you as the most exotic of foreign languages.

The idea behind Lrn is to gently ease you in. Through friendly copy and
simple quizzes, you gradually gain confidence across a range of languages.

For free, you get courses on HTML and CSS, along with introductions to JavaScript, Ruby and Python. You can complete any course for $2.99/2.99/AU$4.49; but even if you don't pay anything at all, you'll get a lot out of this app if you've an interest in coding but don't know where to start. Vert S

We're told the 'S' in Vert S stands for 'speed'. This is down to the app
being an efficient incarnation of the well-regarded Vert unit converter.

The older app had you browse huge category lists to pick what you need, but Vert S is keener on immediacy. There's a search, but the app's core is a Favorites page, where commonly used conversions are stored.

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* Origin: Physics (1337:3/125)