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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. Magnifying Glass w/ Light ProFalcon In Motion LLCProductivityLetterboxed
  2. Melodista Music Offline PlayerOleksandr PylaievMusicLetterboxed
  3. New Star Soccer G-StoryNew Star Publishing Ltd.BookLetterboxed
  4. NolliMartin KoppenhoeferTravelLetterboxed
  5. StudentVUE (New)Edupoint Educational SystemsEducationLetterboxed
  6. Sun LocatorExevio Ltd.NavigationLetterboxed
  7. TechApp for AudiVladimir SusoykinShoppingLetterboxed
  8. Transparent App IconsNoah GilmoreGraphics & DesignLetterboxed
  9. WeatherzoneDTN APAC Pty LtdWeatherLetterboxed
  10. [steel shapes]David HomesReferenceLetterboxed
  11. iDOS 3潮激 李UtilitiesLetterboxed
  12. iHTTP Tracker -Network monitorPhoenix Lab Technology Co., Ltd.Developer ToolsLetterboxed
  13. ApergiaGR PlusHadokoaNewsLetterboxed
  14. BirthdaysPro HDDemodit GmbHSocial NetworkingLetterboxed
  15. CX-3 Flight ComputerASAUtilitiesLetterboxed
  16. Champagne Map+Chiyuan ChenFood & DrinkLetterboxed
  17. DuctulatorWassim MurrProductivityLetterboxed
  18. ESP32 BLE TerminalGopi GadhiyaDeveloper ToolsLetterboxed
  19. FidiKetabiAli Hassan SamieiNewsLetterboxed
  20. FromageSteve WelchFood & DrinkLetterboxed
  21. LTC SOM RegsMarKail & Associates LimitedMedicalLetterboxed
  22. MilGPS+mustafa pistofogluNavigationLetterboxed
  23. Origin IrelandCormac WallaceTravelLetterboxed
  24. Partly SunnyJoseph HribarWeatherLetterboxed
  25. PickleScoreGreg TaylorSportsLetterboxed
  26. Radio for Dallas CowboysSantiago LEONSportsLetterboxed
  27. Timestamp Camera Pro玉彬 陈Photo & VideoLetterboxed
  28. Travel ExchangeAn BanhFinanceLetterboxed
  29. WatcheeProAnssi HakkarainenLifestyleLetterboxed
  30. WritePDF for iPhoneEuroSmartz LtdBusinessLetterboxed

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