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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. Break SpeedPaul NettleSportsLetterboxed
  2. Calm HarmStem4Health & FitnessLetterboxed
  3. DataManJohnny IxeFinanceLetterboxed
  4. Diners & Drive-Ins UnofficialGoLocalAppsFood & DrinkLetterboxed
  5. Forvo PronunciationForvo Media SLReferenceLetterboxed
  6. In The BasketKarl CridlandShoppingLetterboxed
  7. Journal ClubPeripheral Brain, LLCMedicalLetterboxed
  8. Light Pollution MapJurij StareNavigationLetterboxed
  9. LooomIORAMA ABGraphics & DesignLetterboxed
  10. Monkey Preschool LunchboxTHUP GamesEducationLetterboxed
  11. Oilfield CalendarGoodStampProductivityLetterboxed
  12. Papa's Mocharia To Go!Flipline StudiosGamesLetterboxed
  13. Sent ItRolando QuintanaSocial NetworkingLetterboxed
  14. Shadow Fight 2 Special EditionNekki LimitedGamesLetterboxed
  15. Universe SplitterAerfish LLCEntertainmentLetterboxed
  16. eBook Studio株式会社キイロ乃カモDeveloper ToolsLetterboxed
  17. Altimeter+Sichtwerk AGNavigationLetterboxed
  18. Anemometer for phoneMarcello FioreWeatherLetterboxed
  19. Emoji for Message Pro山 钟Social NetworkingLetterboxed
  20. Kitchen Calculator PROJuan BaurinFood & DrinkLetterboxed
  21. Muscle Trigger PointsReal BodyworkMedicalLetterboxed
  22. OpenADSBSteve KuoTravelLetterboxed
  23. Papa's Pizzeria To Go!Flipline StudiosGamesLetterboxed
  24. Radio for PackersSantiago LEONSportsLetterboxed
  25. SponsorBlock for SafariAjay RamachandranProductivityLetterboxed
  26. StencilStackSteve MitchellGraphics & DesignLetterboxed
  27. The Secret To MoneyCreste LLCLifestyleLetterboxed
  28. 3D Animations + Emoji IconsDating DNA, Inc.Social NetworkingLetterboxed
  29. Alien10Saddiq RahimEntertainmentLetterboxed
  30. App DesignerNorbert GriegerDeveloper 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