Duo is Google's answer to Apple's FaceTime, and the company swears that the video-calling app is totally different than Hangouts.
For Disney's legions of Star Wars, Marvel and Pixar fans who want to enjoy those movies, and their extra features, the service is easily worth the relatively low monthly fee.
With accurate weather alerts that are specific to your exact location, Dark Sky is a must-have app for iOS users.
The $55 FuboTV serves up numerous live channels and appeals to soccer fans in particular, but for most users there are cheaper, better alternatives.
Apple Music has a lot of potential, but its iCloud Music Library bugs and confusing interface keep it from edging out Spotify for now.
Though you only get a few extra useful features, WhatsApp Messenger is an excellent choice for sending free texts across platforms, even internationally.
Yes, you can already access various smart home products from your iPhone or iPad, but Apple's HomeKit software may have found a better way... if it ever officially launches.
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.
It's a reasonable option if you want a wide selection of classes at a relatively low price.
Google serves up a new app for music lovers called YouTube Music that organizes all the different versions of your favorite tunes into a central hub with guided paths for artists discovery and new music curation.
Argus is a great option for getting a general idea of how active you are each day, offering features you won't find on other fitness trackers.
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.
Free unlimited storage, automatic backup and fun editing effects make Google Photos one of our favorite tools for wrangling your photos.
Samsung Knox is a security app for Samsung phones that supports both personal and business use of the same phone.
The best free streaming-radio app on the market, iHeartRadio takes some of (but not all) the best features from TuneIn Radio Pro and combines them with Pandora-like functionality.
The free Presence app is a great way to experiment with home security -- just don't let its prominently-featured online store trick you into spending hundreds on accessories.
As far as free theft-deterrent and motion-notification systems go, Salient Eye has the lock on simplicity.
Apple's iOS 4.2.1 update is well worth downloading. It brings multitasking to the iPad and sorts out some of the iPhone 3G's speed troubles. Best of all is the fact that it's free.