Adobe Lightroom for iPhone ( iOS)
For rating and flagging photos already in Lightroom while you're killing time or for quick, rough edits, it's good. But the phone version of Lightroom mobile needs more features before it feels essential.
Pricing not available
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.
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.
Overcast: Podcast Player ( iOS)
With solid basic features in the free version, you should definitely give Overcast a test drive, but check out the competition before paying the higher price.
Manything ( iOS)
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.