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Which apps work on the iPhone Duo

6,561 apps, checked against Apple's App Store data every day. Hand tests on a real Duo, pose by pose, come next.

Poses

1,685 apps · Letterboxed

  1. Income OKMobion OOOFinanceLetterboxed
  2. KinoLux Optics IncorporatedPhoto & VideoLetterboxed
  3. Pixelmator Classic iOSApplePhoto & VideoLetterboxed
  4. Prairie State Hike AppPrairie State Conservation CoalitionTravelLetterboxed
  5. SSTV Slow Scan TVBlack Cat SystemsLifestyleLetterboxed
  6. Search With GoogleRija IqbalEducationLetterboxed
  7. Smart Comic ReaderOnne van DijkBookLetterboxed
  8. Stack the States® 2Freecloud Design, Inc.EducationLetterboxed
  9. TrackAddict ProHP Tuners LLCSportsLetterboxed
  10. Workout CalendarAndrei ZahariaHealth & FitnessLetterboxed
  11. ACNH Travel GuideJeffrey KuikenReferenceLetterboxed
  12. BlackList Call ProEmanuele FlorisFinanceLetterboxed
  13. E6BX E6B Flight ComputerMehmet CebeEducationLetterboxed
  14. EasyMSR向阳 张UtilitiesLetterboxed
  15. Feeddler RSS Reader ProC.B. LiuNewsLetterboxed
  16. FlashFace FullArtem BrigertEntertainmentLetterboxed
  17. GPS Status & ToolboxMobiWIA Kft.TravelLetterboxed
  18. Goal Horn HubCarson LougheedSportsLetterboxed
  19. LotusLanternXshenzhen ELK Technology Co., Ltd.LifestyleLetterboxed
  20. My Insurance GuideJacob PopekEducationLetterboxed
  21. OpenCode Mobile AppRodrigo MendozaDeveloper ToolsLetterboxed
  22. Photo Scan PlusPhotomyne LTDPhoto & VideoLetterboxed
  23. Pocket City 2Codebrew Games Inc.GamesLetterboxed
  24. Profit StoryVooZu Promotions LLCBusinessLetterboxed
  25. Sign Up by SignUp.comVOLUNTEERSPOT, INC.ProductivityLetterboxed
  26. Square GoBlock, Inc.LifestyleLetterboxed
  27. Stencil Photo EffectDmytro RastaturinGraphics & DesignLetterboxed
  28. Texture Packs & Creator for Minecraft PCMAJ Apps and Games LLCShoppingLetterboxed
  29. TikTok StudioTikTok Ltd.Photo & VideoLetterboxed
  30. Ultimate Custom NightCLICKTEAM LLC USAGamesLetterboxed

Automatic check, daily · updated

As of Nov 10, 2026, 27 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