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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. IFE BridgeAlastair BorTravelLetterboxed
  2. Ideofit Glasses & sunglassesLWTS TECHNOLOGIES LIMITEDShoppingLetterboxed
  3. KO ReaderJames Carrell IIBookLetterboxed
  4. OpenTermCHENGDU MIAOZHI TECHNOLOGY CO., LTD.Developer ToolsLetterboxed
  5. Rack Builder ProThomas LangProductivityLetterboxed
  6. RomanRoman KuryanovFood & DrinkLetterboxed
  7. SPO2erKevin EdwardsHealth & FitnessLetterboxed
  8. Sound Proof Puppy TrainingAmy SmithLifestyleLetterboxed
  9. Tides PROElecont LLCWeatherLetterboxed
  10. VideoSoundBits&CoffeeSocial NetworkingLetterboxed
  11. Web InspectorAnd a DinosaurDeveloper ToolsLetterboxed
  12. ColloquyColloquy ProjectSocial NetworkingLetterboxed
  13. Cooking ConversionNitrioFood & DrinkLetterboxed
  14. Florida =State Parks & TrailsAreti ManikantaTravelLetterboxed
  15. Funko.POP Collector By TryvinMostafa AshourShoppingLetterboxed
  16. L2L Bible BowlChristian Technology Solutions LLCEducationLetterboxed
  17. Legi (RSS Feed Reader)Alexander ClaussNewsLetterboxed
  18. Oxygen Calculation ToolJoshua SavkoReferenceLetterboxed
  19. PA EMS ProtocolsNathan HarigMedicalLetterboxed
  20. Scene StudyManic PixelProductivityLetterboxed
  21. ScoreCloud ExpressDoReMIR Music Research ABMusicLetterboxed
  22. ShiftLockMark KnowlesReferenceLetterboxed
  23. Sun CalendarSteven EdwardsWeatherLetterboxed
  24. Sun LocatorExevio Ltd.NavigationLetterboxed
  25. Voice-activated RecorderHongwen YangBusinessLetterboxed
  26. iBal RotaryAirSpayceProductivityLetterboxed
  27. iMoodJournalInexika Inc.LifestyleLetterboxed
  28. A Civil TwilightJSC BIZ, LLCWeatherLetterboxed
  29. Awesome CalendarYunaSoft Inc.ProductivityLetterboxed
  30. BabySitMeRochelle SaddEducationLetterboxed

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