The 20 best apps to improve your smartphone

Whether you want an alarm that syncs with your body clock or a to-do list you can speak to, these are the apps you’ll need to make your smartphone smarterThe latest generation of smartphones comes with a panoply of apps to get you started, from email and photography to navigation, weather and video-calling services. But every one of those default apps has at least one alternative on the app stores, and there are often dozens more that can represent a big upgrade.Here are 20 examples that w