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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. FlashRXClinCalc LLCMedicalLetterboxed
  2. FlipArtifyCEM SOFTWARE LTDGraphics & DesignLetterboxed
  3. HTMLSourceHao-Quan LiuDeveloper ToolsLetterboxed
  4. Hand-to-Hand CombatCalculated IndustriesHealth & FitnessLetterboxed
  5. Healthy DessertsGreen Kitchen StoriesFood & DrinkLetterboxed
  6. Hello Name TagDavid AshtonSocial NetworkingLetterboxed
  7. Learn AstrologyGulsen CAKIRLifestyleLetterboxed
  8. Little Monster at SchoolWanderful, LLCBookLetterboxed
  9. Map ToolsModular Machines LLCNavigationLetterboxed
  10. PaintlyEsther RamosGraphics & DesignLetterboxed
  11. QuickVoice2Text Email (PRO Recorder)nFinity IncBusinessLetterboxed
  12. StarTracker身吉 潘ReferenceLetterboxed
  13. Strange Planet StickersKED, LLCEntertainmentLetterboxed
  14. 9/11 Memorial Audio GuideNational September 11 Memorial & MuseumEducationLetterboxed
  15. AestheticAesthetic Apps & Widgets srlGraphics & DesignLetterboxed
  16. Baseball Pitch SpeedTouchMintSportsLetterboxed
  17. Digital Force BagCraig SquiresEntertainmentLetterboxed
  18. HomeBudget with SyncAnishu, Inc.FinanceLetterboxed
  19. Landscape Design EditorTien NguyenLifestyleLetterboxed
  20. LightSpectrum ProAM PowerSoftwareUtilitiesLetterboxed
  21. Mahilete TsigeGetahun AyalewBookLetterboxed
  22. NEJM Image ChallengeThe New England Journal of MedicineMedicalLetterboxed
  23. NHK WORLD-JAPANNHK (Japan Broadcasting Corporation)NewsLetterboxed
  24. Nano AI一鸣 刘Developer ToolsLetterboxed
  25. Paleo Recipe ProImpossible X LLCFood & DrinkLetterboxed
  26. Pitch Pipe+Frozen Ape Pte. Ltd.MusicLetterboxed
  27. QuickPlan皓 李BusinessLetterboxed
  28. Reform LuachCCAR PressReferenceLetterboxed
  29. Spy MessengerKirill FilippovSocial NetworkingLetterboxed
  30. YesMoviesKarim AIT EL KADIMagazines & NewspapersLetterboxed

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