Duo is Google's answer to Apple's FaceTime, and the company swears that the video-calling app is totally different than Hangouts.
Its streaming video quality may not be perfect, but HBO Go for Android is still a must-have for anyone who already subscribes to HBO at home.
With accurate weather alerts that are specific to your exact location, Dark Sky is a must-have app for iOS users.
Ctrl+Console's Lightroom Sorter provides iPad-based controls for organizing your photos.
If you use Google Hangouts or you used to use Google Talk frequently, then you should enjoy the convenience of a chat and video-calling app.
Windows 10 delivers a refined, vastly improved vision for the future of computing with an operating system that's equally at home on tablets and traditional PCs -- and it's a free upgrade for most users.
Though you only get a few extra useful features, WhatsApp Messenger is an excellent choice for sending free texts across platforms, even internationally.
With an interface that lets you browse headlines quickly, customize your channels and read the news offline, SmartNews is an excellent free alternative to other popular news apps.
For the price of one console game a year, Apple Arcade gives you a lot of quality games and a steady stream of new titles.
Thousands of popular movies and shows in a clean, easy-to-use interface, makes it well worth the $7 per month.
We love the idea of Starz Vongo and think $10 per month is a fair price for all-you-can-watch movies, but the service needs a better selection of movies and improved compatibility with portable devices.
Even with the freemium model, Real Racing 3 still holds the crown as best racing game on a touch screen.
Even with its tiresome freemium model, Shadow Fight 2 is one of the best fighting games available.
If you're looking for a free first-person shooter, look no further. Dead Trigger is top-notch.
Netflix remains the top TV and movie streaming service, thanks to its ease of use, lack of commercials and original content.
It's a reasonable option if you want a wide selection of classes at a relatively low price.
Crackle offers a good selection of free movies and TV shows, but you'll have to suffer through annoying ads and a lack of search tools.
With audio and video calls and more features than most messaging services, Viber is the best option, but only if you can convince your friends to use it.