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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. Callipeg miniEnobenGraphics & DesignLetterboxed
  2. Five Nights at Freddy's 2CLICKTEAM LLC USAGamesLetterboxed
  3. HP 12C Platinum CalculatorMORAVIA Consulting, spol. s r.o.FinanceLetterboxed
  4. Message MakeoverAndrew HalliganSocial NetworkingLetterboxed
  5. Papers, Please3909GamesLetterboxed
  6. Prehistoric Times MagazineMagazinecloner.com US LLCReferenceLetterboxed
  7. Project Deep TraceHang 10 MedaNewsLetterboxed
  8. ScrivenerLiterature & LatteProductivityLetterboxed
  9. Vector ClassicNekki LimitedGamesLetterboxed
  10. iVerify BasiciVerifyUtilitiesLetterboxed
  11. 10th Step12 Step Apps LLCLifestyleLetterboxed
  12. Blood Type Diet®D'Adamo Personalized Nutrition®Health & FitnessLetterboxed
  13. DocScannerAbhay ValaBusinessLetterboxed
  14. Fast ScannerHang NguyenBusinessLetterboxed
  15. Five Nights at Freddy's 4CLICKTEAM LLC USAGamesLetterboxed
  16. Monument Valleyustwo gamesGamesLetterboxed
  17. My Barcode CardsAntonios ZalonisShoppingLetterboxed
  18. Note RushThomas GraystonMusicLetterboxed
  19. Stick Nodes ProForTheLoss Games, IncEntertainmentLetterboxed
  20. Theory Lessonsmusictheory.netMusicLetterboxed
  21. Vault 139Vault 139Food & DrinkLetterboxed
  22. WristChat for FacebookMuhammad SiddiquiSocial NetworkingLetterboxed
  23. imo liveBaby PenguinSocial NetworkingLetterboxed
  24. Bluefire ReaderBluefire ProductionsBookLetterboxed
  25. ChroncordTyler SmithSocial NetworkingLetterboxed
  26. KlaraKlara Technologies Inc.MedicalLetterboxed
  27. Like My DrillPLAYMATE TennisSportsLetterboxed
  28. Logger for ShortcutsSnailed It Development LtdDeveloper ToolsLetterboxed
  29. MusicKyriakos AdamouMusicLetterboxed
  30. Necrometerchris rogersUtilitiesLetterboxed

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