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Which apps work on the iPhone Duo

7,251 apps, checked against Apple's App Store data every day. Hand tests on a real Duo, pose by pose, come next.

Poses

2,069 apps · Letterboxed

  1. ALERT!Red Huskies LLCSportsLetterboxed
  2. BalanceTrackrOle Morten TengesdalFinanceLetterboxed
  3. Cool Font KeyboardGiacomo GuglielmiNewsLetterboxed
  4. Din Danske OrdbogLET Software ApSBookLetterboxed
  5. Doodle PatternsLightwood Consultancy LtdReferenceLetterboxed
  6. FACEinHOLE®Lisbon LabsPhoto & VideoLetterboxed
  7. Green Smoothies by Young & RawNibble Apps LtdFood & DrinkLetterboxed
  8. Horse AnatomyReal BodyworkMedicalLetterboxed
  9. Iceland VisuallyAnders Peter AmsnaesTravelLetterboxed
  10. Kombinat4Audio Damage, Inc.MusicLetterboxed
  11. Photo AFib DetectorCCAppHealth & FitnessLetterboxed
  12. Pro CompassCraig HunterNavigationLetterboxed
  13. Proxmox VE CompanionProxmox Server Solutions GmbHDeveloper ToolsLetterboxed
  14. Shoppers ListsXin ZhouShoppingLetterboxed
  15. Show StopWatchJack LordProductivityLetterboxed
  16. Stableford Scorergareth abbeySportsLetterboxed
  17. StaffWars LiveTMI Media, LLCEducationLetterboxed
  18. The Sabbath AppDamian CoxLifestyleLetterboxed
  19. UnfriendNiche Game Labs - Free Games & AppsSocial NetworkingLetterboxed
  20. Voice-activated RecorderHongwen YangBusinessLetterboxed
  21. ZeitgeistDan EdenDeveloper ToolsLetterboxed
  22. zehaOya Technology HK LtdEntertainmentLetterboxed
  23. 72 Names of GodThe Kabbalah Centre InternationalEducationLetterboxed
  24. Adobe PhotoshopAdobe Inc.Photo & VideoLetterboxed
  25. Amazing Birthday CakeiCupcake.netSocial NetworkingLetterboxed
  26. Army Weapon CraftPolemics Applications LLCReferenceLetterboxed
  27. Baseball SoundboardMarco Sowa-IsraelSportsLetterboxed
  28. Bible WidgetKawaiiReferenceLetterboxed
  29. Bike ConnectRyan ForsythSportsLetterboxed
  30. Crustacean for LobstersSayan GoswamiNewsLetterboxed

Automatic check, daily · updated

As of Nov 11, 2026, 25 of the top 100 free iPhone apps have Apple's iPhone Duo badge. The status of every app here comes from Apple's App Store data, read again every day. How an app behaves in laptop, book or tent mode takes a hand test on a real Duo; none has been tested yet. How we test