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.
With its solid performance, beautiful design, and nifty picture-in-picture, it's hard to argue that there's a better way to watch YouTube videos on your mobile device.
If you can get past the lackluster design, MyFitnessPal is a must-download if you're watching what you eat.
Hardly any features mean Pinterest's half-hearted Web app for Windows Phone is not worth your time.
Download Facebook Messenger if you want the same robust chatting features from Facebook's Web site on your phone.
Though it lacks some features found on the iOS and Android apps, Vine for Windows Phone will delight anyone who's been waiting for the real deal.
Despite its overwhelming design, Foursquare is a great way to find the hottest spots around you that suit your tastes.
The official Twitter app for Android offers reliable performance and slick design, but power users may find themselves wanting more.
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.
Whether you're a regular Google+ user or just interested in the app's photo-editing or auto-upload features, Google+ for Android is a must-have.
With tons of customization options and a unique magazine-style interface, anyone looking for a better way to browse the latest news and social info should definitely download this app immediately.
If you like seeing what you're friends are shooting or want a way to share your photography skills, the Flickr app offers better search and filters to make your photos pop.
The slick and easy-to-use design makes Facebook for Windows Phone 8 a worthy free download, but the lack of key features will disappoint power users.
Swarm's sharp focus on enhancing and streamlining Foursquare's existing social features make it a must-download for existing users.
A free-with-registration iPhone app that produces attractive text-overlay-on-image graphics for social media, Adobe Post is fun and easy to use.
A useful set of tools for creating graphics and visual stories for social media, Adobe Spark delivers nice results pretty easily.
Facebook's second shot at ephemeral messaging still can't beat Snapchat.
If you have several favorite shows or even just a few, IntoNow is a fun way to get more interactive with your television watching with tons of content and social features to keep you interested.