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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. Continuous .NET C# and F# IDEKrueger Systems, Inc.Developer ToolsLetterboxed
  2. GlabuNorthbridge Labs IncGraphics & DesignLetterboxed
  3. OmbiJamie ReesEntertainmentLetterboxed
  4. Police Scanner +Rego AppsNewsLetterboxed
  5. Sailing KnotsFission Media Group Inc.SportsLetterboxed
  6. SampleScape4Pockets.comMusicLetterboxed
  7. Speedometer & Trip LoggingHans SchneiderNavigationLetterboxed
  8. Story Saver ∞Yerzhan TleuovSocial NetworkingLetterboxed
  9. TechApp for VolkswagenVladimir SusoykinShoppingLetterboxed
  10. The Tea AppBaglan DosmagambetovFood & DrinkLetterboxed
  11. ASA's Sailing ChallengeAmerican Sailing AssociationEducationLetterboxed
  12. Artscroll TanachArtScroll Mesorah PublicationsBookLetterboxed
  13. ChoreoRoomAaron AquinoProductivityLetterboxed
  14. Collection (Whiskey/Tequila)Douglas RenfroFood & DrinkLetterboxed
  15. Contact-CardsMario ElsnigBusinessLetterboxed
  16. Dictionnaire Le Robert MobileDiagonal SASReferenceLetterboxed
  17. Himnario Lldm InglésHonner Parra RomeroEntertainmentLetterboxed
  18. KlenchAutonomee Michal PlatekHealth & FitnessLetterboxed
  19. La Biblia Reina Valera EspañolOleg ShukalovichBookLetterboxed
  20. PDF ScanXian Dayanshan Electronic Tech LimitedLifestyleLetterboxed
  21. Paycheck AnalysisJonathan GillmanFinanceLetterboxed
  22. PlinkrGun eToolsNewsLetterboxed
  23. Remote for Firestick · Fire TVNetsis Mobile FZCOUtilitiesLetterboxed
  24. Round Ball & Shot CalculatorDustin WenzSportsLetterboxed
  25. VAT CalculatorPiet JonasShoppingLetterboxed
  26. VystJohan ThorellProductivityLetterboxed
  27. WalkieTalkie VOIPJustin BradySocial NetworkingLetterboxed
  28. iOvilusGhost Stop LLCEntertainmentLetterboxed
  29. websta$-learn html css and js小文 黄Developer ToolsLetterboxed
  30. Adaptivity (A)Geoff HackworthDeveloper ToolsLetterboxed

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