Mailbox: After a bit of a controversy with its reservation system, followed by getting acquired by Dropbox for a reported $50 – $100 million, developers of the highly successful Mailbox app announced it has filled its 1 millionth reservation just 6 weeks after launching. The free Mailbox app also gets an update to version 1.1.0 with UI enhancements, performance optimizations, and a new “Shake to undo” feature.

Plex version 3.1: The iOS app for the popular Plex media server was updated today with a ton of new features and fixes. Some of the big new features include a Mobile Media Server mode to play synced content and view photo albums from any other Plex client, push notifications for recommendations, a new experimental universal transcoder. Also included is a new dark theme, redesigned photo viewer, and much, much more.

Pinterest version 2.3: Pinterest announced that it is adding some new features to its mobile apps today that include some of the recent updates to its web version. You’ll now be able to view a “people who pinned this also pinned” feature, edit your profile from the app, and get a close-up view of pins on the iPad.

Speedtest.net 3.0: Mobile speedtest.net app from developers Ookla gets an update today with a new UI and full iPhone 5 support, the ability to permanently remove ads, easier sharing, and more.

Dolphin Browser version 7.3:

  1. Fix the crash on 4G network problem.
  2. Improved launching speed
  3. Optimized memory recovery mechanisms

Deals:

iPad & iPhone games, Metal Slug series now on sale up to 50% off each title

iPhone photography app, Hipstamatic, temporarily 99 cents (Reg. $1.99)

THX tune up | FREE (for a week)

Sonic Dash | 99 cents until Sunday

Sonic Jump | 99 cents until Sunday

Sonic CD | 99 cents until Sunday

Sonic & SEGA All-stars Racing | 99 cents until Sunday

iOS Final Fantasy games now on sale, save up to 40%

Trine for Mac, save 75 percent off

Trine 2 for Mac, save 80 percent off

Osmos for iPad  | 99 cents (was $4.99)

Osmos | 99 cents (was $2.99)

Osmos for Mac | 99 cents (was $9.99)

SpongeBob for iOS sale:

  • SpongeBob Marbles and Slides | 99 cents (was $1.99)
  • SpongeBob Marbles and Slides HD | $2.99 cents (was $3.99)
  • SpongeBob Frozen Face-off | 99 cents (was $1.99)
  • SpongeBob Tickler | 99 cents (was $1.99)