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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. Team Lineup PROHuu Phuoc LoiSportsLetterboxed
  2. Team ShakeRhine-o Enterprises LLCEducationLetterboxed
  3. The Long DogHana BaskinFood & DrinkLetterboxed
  4. Ambient Weather NetworkAmbient,LLCWeatherLetterboxed
  5. BLM Public Lands Map Guide USAGeoPOI LLCNavigationLetterboxed
  6. BoardMe LiteVictor FarrEducationLetterboxed
  7. DraftCode for PHP IDESolesignal LimitedDeveloper ToolsLetterboxed
  8. FARO Phone GreetingsChristopher PeacheyBusinessLetterboxed
  9. Find Craft BeerMicro Integration Services, Inc.Food & DrinkLetterboxed
  10. Grid Painterbigpantsgroup LLCPhoto & VideoLetterboxed
  11. HAMRS ProCabin Interactive, LLCUtilitiesLetterboxed
  12. Intermountain HealthIntermountain Healthcare, IncMedicalLetterboxed
  13. MosasaurusOceanhouse MediaBookLetterboxed
  14. Passio GOPassIO TechnologiesNavigationLetterboxed
  15. PixLabMRAD CHAMS EDDINEGraphics & DesignLetterboxed
  16. Pupillary DistanceMy Call Bag LLCMedicalLetterboxed
  17. Radioappsolute GmbHEntertainmentLetterboxed
  18. SilverRed Hot BitsFinanceLetterboxed
  19. SolJuggleware, LLCWeatherLetterboxed
  20. SwingToolSten KaiserSportsLetterboxed
  21. The Tea AppBaglan DosmagambetovFood & DrinkLetterboxed
  22. TumbletailNaomoto NiwayamaSocial NetworkingLetterboxed
  23. Turkey Call AppLW Brands, LLCSportsLetterboxed
  24. 1 Dollar PianoSampath UdayakumaraEntertainmentLetterboxed
  25. 1WriterNgoc LuuProductivityLetterboxed
  26. Coaster-CountVolker SauerTravelLetterboxed
  27. Collection (Whiskey/Tequila)Douglas RenfroFood & DrinkLetterboxed
  28. EIB & ESB Digital HandbookRobert LeGrandEducationLetterboxed
  29. GPS 2 IPAngus OliverNavigationLetterboxed
  30. GraceNotesAi BrowserEducationLetterboxed

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