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.
Though you only get a few extra useful features, WhatsApp Messenger is an excellent choice for sending free texts across platforms, even internationally.
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.
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.
With accurate weather alerts that are specific to your exact location, Dark Sky is a must-have app for iOS users.
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.
Even with the freemium model, Real Racing 3 still holds the crown as best racing game on a touch screen.
Piano Tiles is the perfect mix of simplicity and addictive gameplay that's easy to learn, but incredibly challenging to get high scores.
Netflix remains the top TV and movie streaming service, thanks to its ease of use, lack of commercials and original content.
Manything can't match the video quality and options of some traditional Wi-Fi cameras, but there's no easier way for iOS users to experiment with DIY home security.
Nvidia's GeForce Now would be terrific if we could rely on consistent game support and more transparency by Nvidia.
It's a reasonable option if you want a wide selection of classes at a relatively low price.
Terraria is an incredibly involved and challenging game that's worth buying as long as you play it on the iPad.
For watching music videos, live performances, and other music-related content, Vevo is arguably the best app on the market.
With an elegant interface, weather information, and interactive maps, Yahoo Weather is a must-have for weather watchers everywhere.