Glide ( Android)
If you're familiar with other video-chatting services, Glide offers more flexibility and features.
Wunderlist ( Windows Phone)
Wunderlist for Windows Phone is fast, free, task-management app that works anywhere you do, and couples cross-platform support with simple collaboration tools.
BBM ( Windows Phone)
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.
Videoshop ( iOS)
Even with the UI issues, you'd be hard-pressed to find another video editing app with more features than Videoshop.
Tempo Smart Calendar ( iOS)
While it's currently iPhone-only, Tempo Smart Calendar is a worthwhile calendar app that integrates well with other services.
myMail ( iOS)
MyMail has all of the standard features you'd expect in a modern e-mail app, but nothing that stands out as a must-have feature.
Oyster ( Android)
Oyster is perfect for trying out books you might never purchase, but you'll still need to buy new releases and other popular titles elsewhere.
Bookviser Reader ( Windows Phone)
Despite its sluggishness, the Bookviser Reader for Windows Phone is a great way to get free classic literature on your Windows Phone.
Huebrix ( Windows Phone)
In Huebrix for Windows Phone, 2 bucks gets you over 400 clever puzzles in a minimalistic, well-polished game.
Modern Combat 5: Blackout ( Android)
Even with its issues, Modern Combat 5: Blackout is still the best first-person shooter on smartphones and tablets.