By now you've got your go-to apps on your iPhone. But if you've been wondering what to add next, take a look at our top 20 must-haves. Saving all your cash for the Apple Watch? Don't worry - these essential iOS apps are all free. By now you've got your go-to apps on your iPhone. But if you've been wondering what to add next, take a look at our top 20 must-haves. Slash Slash replaces the QWERTY keyboard on your smartphone and turns it into a search engine, removing the need to jump between apps when searching for videos, maps, photos and music-streaming services. This certainly isn't a cheap app, but Model 15 is the best standalone synth on iPhone, and another example pokerchip the most important thing that sets iPhone beyond Android - the scope and ambition found in native apps. Dig deep for those bass notes. You get a bunch of miniature synths, referred to as 'gadgets'; they're geared towards electronic music, but still have plenty of range. On iPhone, you start with a search field, beneath which sits a handy list of relatively local places of . That's all the Home screen really is — a gateway to apps. Set-up is pleasingly straightforward. Even better, it strips cruft, leaving only the content in a mobile-optimized view ideal for iPhone. Save Some Cash with These Free iOS Apps Smartphones aren't cheap these days, and that's especially true of Apple's devices. It's an easy way to supercharge your iPhone's mapping capabilities and one of the first apps you should grab for the iPhone 7. The basic concept is the same: Otherwise, this is an excellent timer app, and it's also properly free, entirely lacking IAP. If you're already a musical sort, GarageBand enables you to write directly into a sequencer or record any instrument live. LeechTunes is designed for controlling music playback without you looking at your iPhone, largely by utilising the entire display for gestural input. The main plus with the app is its flexibility: By contrast, SoSoCamera is about documenting a lengthier slice of time, taking a series of photos over several seconds and then stitching them together in a grid. Pandora - Free streaming music. Each unique song can be kept as a personal record or shared with friends and family. The result is an iPhone camera that boasts the kinds of features its rivals have, but that obliterates them in terms of usability. You start off with a blank canvas, to which you drag noises that are represented as neon discs. And the more you explore, the more features you'll find: As well as managing marketing budgets and deciding the headline, this game examines your ability to fight for a free press under pressure from a propaganda-pushing government. TIME Guide to Sleep. The five greatest steps in the evolution of Apple's iOS. The App Store has so many to-do apps that it's in severe danger of tipping over, due to the sheer weight of digital checkboxes, but Wunderlist is one of the very few that really stands out. All in all, MuseCam feels refined and mature. Just be prepared to repeat yourself, as the app may not always hear you right the first time.