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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. Posted!Workman Consulting LLCReferenceLetterboxed
  2. Retouch ProAlexey TataurovGraphics & DesignLetterboxed
  3. SummonsesDavid kimReferenceLetterboxed
  4. TV Cast Pro for Sony TVKraus und Karnath GbR 2Kit ConsultingPhoto & VideoLetterboxed
  5. Tide TimesPhil LeggWeatherLetterboxed
  6. Toyota App!Rauza TleuovaShoppingLetterboxed
  7. UK ETAHome OfficeUtilitiesLetterboxed
  8. Vidimote for SafariIOSPIRIT GmbHUtilitiesLetterboxed
  9. WETJung VuWeatherLetterboxed
  10. iMicroscopeelklab UGLifestyleLetterboxed
  11. Aesthetic App Icon Changer KitBeehive Labs LTDGraphics & DesignLetterboxed
  12. BalloticsAntwon KeyNewsLetterboxed
  13. Box BreatheDenys TriasunovHealth & FitnessLetterboxed
  14. Bullet Journal CompanionLightcage LLCProductivityLetterboxed
  15. Catholic New American Bible REgreg fairbrotherReferenceLetterboxed
  16. Decimal To Fraction ConverterManfred BreedeBusinessLetterboxed
  17. Esh Ben Ish HayElyahu SheetritBookLetterboxed
  18. GlossWireThe Wires Platforms, Inc.ShoppingLetterboxed
  19. Multi Screen TV LiveOmer Faruk KislakciNewsLetterboxed
  20. NZ Topo50 North IslandRight Place ResourcesNavigationLetterboxed
  21. Neuro ToolkitKent EllingtonMedicalLetterboxed
  22. RagweedDAVID SZENTESIWeatherLetterboxed
  23. ShutterCount MobileDIRE StudioPhoto & VideoLetterboxed
  24. Vibecode Apps IDELastApp.AIDeveloper ToolsLetterboxed
  25. Water Sort Puzzle贺翔 段GamesLetterboxed
  26. Wild Hog ProBig Shot, LLCSportsLetterboxed
  27. iPulseThe IconfactoryDeveloper ToolsLetterboxed
  28. write checksSigma Sky, LLCFinanceLetterboxed
  29. 13:20:SyncThe RedHouse AppsNavigationLetterboxed
  30. Audyssey MultEQ Editor appD&M HoldingsMusicLetterboxed

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