Duo is Google's answer to Apple's FaceTime, and the company swears that the video-calling app is totally different than Hangouts.
Pokemon Go has taken over your phone, the internet and our lives. Here's everything (and we mean everything) you need to know about the hit game.
Free unlimited storage, automatic backup and fun editing effects make Google Photos one of our favorite tools for wrangling your photos.
If you have a mobile device running Windows Phone version 7.5 or higher, then SkyDrive is a must-have.
Provided you take the time to find your way around, iOS 7's new design makes it a compelling upgrade that completely transforms Apple's mobile OS.
With accurate weather alerts that are specific to your exact location, Dark Sky is a must-have app for iOS users.
For anyone looking for more reliable traffic data than Apple's and Google's stock maps applications, Waze is definitely worth a download.
If you're looking for a spare number to deal with people from Craigslist or similar services, FreeTone does the job, but with the syncing problems and so many ads, there are better apps out there.
With an intuitive interface, reliable tools and artistic touches, Google Calendar is easily one of the best apps in its category.
Valve's app for streaming games to TVs, phones and tablets does exactly that, but the "mobile" aspect doesn't make much as much sense when you're tethered to a location.
BBM for Windows Phone is a great social networking option for BlackBerry fans, but competing chat apps offer more functionality, and have a far broader audience.
Wunderlist for Windows Phone is fast, free, task-management app that works anywhere you do, and couples cross-platform support with simple collaboration tools.
College students who want to get a handle on their busy schedules should download this app to make sure they're always on time and know what's coming up.
Aviate makes your Android easier to use, by smartly predicting what apps you need, when you need them.
If you're looking for a note-taking app that syncs across all platforms -- or just an easy way to keep track of your digital odds and ends -- Evernote is a worthwhile download.
If you like word games or puzzles, then Ruzzle is one of the best available. But consider getting the ad-free and more feature-packed premium version.
Terraria is an incredibly involved and challenging game that's worth buying as long as you play it on the iPad.
Fast and exciting gameplay makes Kingdom Rush Frontiers a must-have pick for tower defense fans.