flappybirdFlappy Bird once again is leading the top free iPhone app this week at No. 1, according to data from App Data. The video game app from Gears Studio challenges players to keep their birds in flight without crashing into a pipe.

Below, we’ve listed the top free iPhone apps of the week. The list links to Inside Network’s research about the individual apps, including historical charts, developer information and download information.

Every week we spotlight the top free apps every week–helping our readers discover, enjoy and analyze successful content.

Top Free iPhone Apps of the Week

1. Flappy Bird Flappy Bird
2. Super Ball Juggling Super Ball Juggling
3. Unroll Me - unblock the slots Unroll Me – unblock the slots
4. Ironpants Ironpants
5. Beats Music Beats Music
6. Guess The 90's! Guess The 90′s!
7. Color Keyboard for iOS 7 Color Keyboard for iOS 7
8. Shuriken Block Shuriken Block
9. Clash of Clans Clash of Clans
10. Clear Vision 3 Clear Vision 3

More detailed stats are available at AppData Pro, Inside Network’s data service supplying performance data, including historical user data, audience demographics, and company information for developers and applications.