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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. GraintouchIORAMA ABGraphics & DesignLetterboxed
  2. GuardhouseDavid BlundellUtilitiesLetterboxed
  3. Historical AtlasJododdle Co., Ltd.ReferenceLetterboxed
  4. Jump VPNMeisheng Catering Co., Ltd.UtilitiesLetterboxed
  5. LSW CollectorKevin DownardEntertainmentLetterboxed
  6. Monoprice Whole Home AudioNT Mobile InnovationsLifestyleLetterboxed
  7. New Orleans French QuarterMiziker Entertainment Group Ltd.TravelLetterboxed
  8. NightOwl CompanionEctosenseMedicalLetterboxed
  9. Pickleball Score KeepercodeDependent Software IncorporatedSportsLetterboxed
  10. ReadEraREADERA EOODBookLetterboxed
  11. StackTrackTyler CarstensenFinanceLetterboxed
  12. Supabase GoSarfraz Ali Shaher SyedDeveloper ToolsLetterboxed
  13. Temperature AppPiet JonasWeatherLetterboxed
  14. WatchPost for Instagram FeedsDignaben SakariyaSocial NetworkingLetterboxed
  15. Baby Led KitchenfluffyeggFood & DrinkLetterboxed
  16. Distance Calculator ProNicolas SchottenNavigationLetterboxed
  17. Double LumenCrystal Clear SolutionsMedicalLetterboxed
  18. Equistatsangelo merluccioSportsLetterboxed
  19. HVAC Pro Invoices & EstimatesJZ Mobile LLCBusinessLetterboxed
  20. LiberryJoshua EastmanBookLetterboxed
  21. Mezquite Diatonic AccordionVictoriano MontemayorMusicLetterboxed
  22. MoodleMoodle Pty LtdEducationLetterboxed
  23. OhioJyothi SathishbabuTravelLetterboxed
  24. Pilly!Orcun YorukLifestyleLetterboxed
  25. Pool Care Property MaintenancePressPad Sp. z o.o.ShoppingLetterboxed
  26. Pose Tool 3DJunaid KhanEntertainmentLetterboxed
  27. Tattoo Print SystemTattooLoyal Inc.Graphics & DesignLetterboxed
  28. Ultralingua Spanish-EnglishUltralingua, Inc.ReferenceLetterboxed
  29. Watch InstagramHemal ModiSocial NetworkingLetterboxed
  30. a11yToolsPaulJAdam.comDeveloper ToolsLetterboxed

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