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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. Gravity BallisticsSniper's Hide LLCReferenceLetterboxed
  2. It's Tyrannosaurus RexOceanhouse MediaBookLetterboxed
  3. Off-Road CompanionAlex SalazarNavigationLetterboxed
  4. PTA Content MasterScorebuildersMedicalLetterboxed
  5. Cuckoo Clock CalibrationNir HamzaniUtilitiesLetterboxed
  6. Formula CardzMatt DixeySportsLetterboxed
  7. Fresno Intl FAT AirportRazvan IVANNavigationLetterboxed
  8. OBX Film Locations TourJill ParisTravelLetterboxed
  9. Oral ContraceptivesBetter Leap MediaMedicalLetterboxed
  10. Peace PursuitPeace Pursuit InternationalLifestyleLetterboxed
  11. Pipe Fitting 33Carl MatlockBusinessLetterboxed
  12. Seaweed SorterPatrick MartoneReferenceLetterboxed
  13. 두란노 성경&사전DurannoBookLetterboxed
  14. Billable Hours Goal TrackerLMWA HOLDINGS LLCBusinessLetterboxed
  15. Country Code (Cities)Jiang ChangTravelLetterboxed
  16. ExamenMatthew HisscockLifestyleLetterboxed
  17. LeasematicHaris KhanFinanceLetterboxed
  18. Livres Audio HQInkstone Software, Inc.BookLetterboxed
  19. OKNDrumAngel VazquezMedicalLetterboxed
  20. Softball DP/Flex SimulatorTravis OwenSportsLetterboxed
  21. AI Home Inspector ProYuhsiu LaiBusinessLetterboxed
  22. Modern Essentials PlusAromaToolsHealth & FitnessLetterboxed
  23. Paris CDG AirportRazvan IVANTravelLetterboxed
  24. Tournament Weight CalculatorJ. Kelly WilkersonSportsLetterboxed
  25. Wisdom of Hidden Realms OracleOceanhouse MediaBookLetterboxed
  26. Army FitnessPolemics Applications LLCHealth & FitnessLetterboxed
  27. Fire Drill Log2026Nanjing Yunxiaochuang Technology Co., LtdBusinessLetterboxed
  28. Horton Hears a Who!Oceanhouse MediaBookLetterboxed
  29. State & National Parks in OhioAreti ManikantaTravelLetterboxed
  30. ClearToEatemma rose hurstHealth & FitnessLetterboxed

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