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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. SalesCalcOn-Core Software LLCBusinessLetterboxed
  2. SiddurChabad.org Jewish AppsLifestyleLetterboxed
  3. SubstitutionsGormayaFood & DrinkLetterboxed
  4. Texas DivesTexas Dives LLCTravelLetterboxed
  5. Turkey Call AppLW Brands, LLCSportsLetterboxed
  6. Ye saidAron Martin VisserEntertainmentLetterboxed
  7. kirakira+bytes inc.Photo & VideoLetterboxed
  8. Anxiety Release based on EMDRtrauma and pain management services pty ltdHealth & FitnessLetterboxed
  9. Big Island Hawaii Gypsy GuideGyPSy Guide LLCTravelLetterboxed
  10. CamScanner +Linguan DataProductivityLetterboxed
  11. Cicerone Trainer ProBastien LandryFood & DrinkLetterboxed
  12. Daughters of the King Daily DeKesha TrippettBusinessLetterboxed
  13. Five Nights at Freddy'sCLICKTEAM LLC USAGamesLetterboxed
  14. Indoor ThermometerRavibhai RamaniWeatherLetterboxed
  15. Mirror Study BibleStefan du ToitBookLetterboxed
  16. One Small WorldJose Eduardo ArredondoBookLetterboxed
  17. PANTHEOND'Uva Workshop s.r.l.EducationLetterboxed
  18. Papa's Scooperia To Go!Flipline StudiosGamesLetterboxed
  19. Phonograms by SEISpalding Education InternationalEducationLetterboxed
  20. PowNapValentin HaberlingHealth & FitnessLetterboxed
  21. SMS SmileysJA Applications LtdShoppingLetterboxed
  22. Shralp Tide 2shralpsoftwareWeatherLetterboxed
  23. VibemasterJeremy YablanDeveloper ToolsLetterboxed
  24. World NewspapersBoCoSoft,Inc.NewsLetterboxed
  25. World of WITVogelbusch & CoSocial NetworkingLetterboxed
  26. atvToolsOleksandr HamliiUtilitiesLetterboxed
  27. iProxyN-LabDeveloper ToolsLetterboxed
  28. mySubTracker岩 王FinanceLetterboxed
  29. 1828 DictionaryApps4WorldReferenceLetterboxed
  30. 8mm Vintage CameraNEXVIO INC.Photo & VideoLetterboxed

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