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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. VideoGPTElevenThirteen LLCPhoto & VideoLetterboxed
  2. iUniform AGSUJohn RudioUtilitiesLetterboxed
  3. Библия (текст и аудио)(audio)(Russian Bible)清芳 张BookLetterboxed
  4. Army FitnessPolemics Applications LLCHealth & FitnessLetterboxed
  5. Cahokia AR TourCahokia Mounds Museum SocietyEducationLetterboxed
  6. California State ParksGuttula SathishTravelLetterboxed
  7. Code Blue CPRMichael Mattesco HortaMedicalLetterboxed
  8. Din Danske OrdbogLET Software ApSBookLetterboxed
  9. Gap Click by Benny GrebKick Snare Hat Apps, LLCMusicLetterboxed
  10. LA Fitness MobileFitness International, LLCHealth & FitnessLetterboxed
  11. LiveCamSoundSpinPhoto & VideoLetterboxed
  12. Local 10 + PlatinumWPLG, IncNewsLetterboxed
  13. Measuring Cup & Kitchen ScaleKlaas KremerFood & DrinkLetterboxed
  14. OneDollarPrimecell Distributor LLCProductivityLetterboxed
  15. Remote for Samsung TV SmartControlla TV LTD.UtilitiesLetterboxed
  16. Seaweed SorterPatrick MartoneReferenceLetterboxed
  17. SwissCalinzShoppingLetterboxed
  18. SylfeedGACHANETNewsLetterboxed
  19. The CheckbookFour One Four 213, LLCFinanceLetterboxed
  20. The Secret Daily TeachingsCreste LLCLifestyleLetterboxed
  21. ThermometerVaibhavi BhingradiyaWeatherLetterboxed
  22. Angel Answers Oracle CardsOceanhouse MediaLifestyleLetterboxed
  23. Assistant for Stardew ValleyITHERSTA LLPReferenceLetterboxed
  24. Audio Recorder Pro & PlaybackLiveBird Technologies Private LimitedBusinessLetterboxed
  25. ClearToEatemma rose hurstHealth & FitnessLetterboxed
  26. Easy OffsetAllen SielerProductivityLetterboxed
  27. G-Whizz! Plus for Google AppsRichard A Bloomfield Jr.Social NetworkingLetterboxed
  28. Happy Birthday Greeting WishesMo MoinShoppingLetterboxed
  29. Iceland VisuallyAnders Peter AmsnaesTravelLetterboxed
  30. KisskhAIDavid WittyEntertainmentLetterboxed

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