You’ve got an iPhone, and have ventured into the melee of Apple’s App Store, which has well over a million apps. Great news! Many of them are free. Not so great news! You’ve got to sift through them to work out the very best. Fortunately, that’s what we’re here for, listing them here. Our selection’s sorted into handy categories, so whether you need a no-cost photo editor, translation app, sat-nav or anything else, you can just jump straight to the relevant category.