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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. VoicemailSaverDiana ZegrettiSocial NetworkingLetterboxed
  2. A NEC® 2017 Quick ReferenceAlan CaveReferenceLetterboxed
  3. Blog for BloggerTop NineSocial NetworkingLetterboxed
  4. CurrentJupiter Interactive Group LLCNewsLetterboxed
  5. Dice Dice ProLukas LubbeEntertainmentLetterboxed
  6. EmergeNYC Sirens & Horns ProRafael FernandezEntertainmentLetterboxed
  7. FAR AIMAviation Mobile Apps, LLC.ReferenceLetterboxed
  8. GPX-ViewerKyle ModesittNavigationLetterboxed
  9. HOGSCANBrewmium, LLCLifestyleLetterboxed
  10. Instant Pot Recipes, offline镇 王Food & DrinkLetterboxed
  11. My Cards ProRaffaele Di MarzoShoppingLetterboxed
  12. My News Feed ChoiceMichael GroweNewsLetterboxed
  13. PhasedBret HardmanProductivityLetterboxed
  14. Poker Income Bankroll TrackerPoker Chang LtdFinanceLetterboxed
  15. Star Walk 2 ProVito Technology Inc.EducationLetterboxed
  16. The Difficult Airway AppAirway Management Education CenterMedicalLetterboxed
  17. ABBYY Business Card Reader ProABBYY USA Software House IncBusinessLetterboxed
  18. Clock Wave震 任UtilitiesLetterboxed
  19. Dialing GodThe Kabbalah Centre InternationalBookLetterboxed
  20. Fresh Milled PantryELIZABETH JOY OOSTENDARPFood & DrinkLetterboxed
  21. Minifigures Scan & TrackNicolo CampagnoliShoppingLetterboxed
  22. Parking Pin™Everyday Odyssey LLCNavigationLetterboxed
  23. Radio for Dallas CowboysSantiago LEONSportsLetterboxed
  24. Sex Offenders Search iPhoneLogSat LLCLifestyleLetterboxed
  25. The Aviation HeraldThe Aviation HeraldNewsLetterboxed
  26. Voxia AIBAUDILIO QUINTILIANO MARTINEZ RIVEROSocial NetworkingLetterboxed
  27. WifiMan from DataManJohnny IxeFinanceLetterboxed
  28. iSmoothRunLake Horizon LtdHealth & FitnessLetterboxed
  29. 3D Emoji Characters Stickers6S MOBILEShoppingLetterboxed
  30. Burger Please!Supercent, Inc.GamesLetterboxed

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