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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. FACEinHOLE GIFsLisbon LabsPhoto & VideoLetterboxed
  2. Tiny Calendar ProTinyWork AppsProductivityLetterboxed
  3. Send it to SantaJASON STUART POULSTONProductivityLetterboxed
  4. B.A.A. Racing AppDilltree IncSportsLetterboxed
  5. SyncCalDominique Andr GuniaProductivityLetterboxed
  6. Production Time StudyGustavo SousaProductivityLetterboxed
  7. Contacts Mover ProPlaya AppsProductivityLetterboxed
  8. AUMKymatica ABMusicLetterboxed
  9. EV DashboardGregory BurlingameUtilitiesLetterboxed
  10. BalusterProGreg GabrioUtilitiesLetterboxed
  11. ServicePlanneriMatt SolutionsProductivityLetterboxed
  12. Auto Typist (Custom keyboard)Switt KongdachalertUtilitiesLetterboxed
  13. NintypeJormy GamesProductivityLetterboxed
  14. AI MirrorPOLYVERSE ENTERTAINMENT INC.Photo & VideoLetterboxed
  15. Alphablocks, How to WriteBlue-ZooEducationLetterboxed
  16. AsymmetricKlemens StrasserGamesLetterboxed
  17. Backgammon with BuddiesPandamonia LLCGamesLetterboxed
  18. BlackList Call ProEmanuele FlorisFinanceLetterboxed
  19. CNC Machinist Calculator ProShane AndersonProductivityLetterboxed
  20. CarrotFantasyBeijing Kai Luo Tian Xia Technology Co., Ltd.GamesLetterboxed
  21. Chiropractic Boards 3Pro Exam Prep LLCEducationLetterboxed
  22. Code Cracker永林 李GamesLetterboxed
  23. Common Core PocketTraxica, LLCEducationLetterboxed
  24. Dirt Bike Classic Racing GameMichel de MessieresGamesLetterboxed
  25. Elmo Loves 123sSesame Workshop (Apps)EducationLetterboxed
  26. FidoLEDDarren AlexanderUtilitiesLetterboxed
  27. Fish3Han-Chung LinGamesLetterboxed
  28. Flutter Tech SummitLeanCodeBusinessLetterboxed
  29. Front 9Front 9 Restoration, Inc.EducationLetterboxed
  30. GridMakerNNN SoftwareEducationLetterboxed

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