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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. News MakerScott MartinEntertainmentLetterboxed
  2. WordBook (Universal)TranCreative SoftwareReferenceLetterboxed
  3. Basic Leader CoursePolemics Applications LLCReferenceLetterboxed
  4. DexteriaBinaryLabs, Inc.MedicalLetterboxed
  5. Fitness TotalsBig Sky Code, LLCHealth & FitnessLetterboxed
  6. Gridiron 2026 College FootballTom KlimekSportsLetterboxed
  7. Habanos Cigar AuthenticatorTimo SchmollLifestyleLetterboxed
  8. PFT TrackerYaphet MoralesHealth & FitnessLetterboxed
  9. Perfect OB TrackerEvan SchoenbergMedicalLetterboxed
  10. Medical Prefixes & SuffixesPulse 2.0 LLCMedicalLetterboxed
  11. BeePlus Beekeeping ManagerOmniChromeLifestyleLetterboxed
  12. ECGsourceECGsource LLCMedicalLetterboxed
  13. The Warbler GuidePrinceton University PressReferenceLetterboxed
  14. Opioid CalculatorANZCAMedicalLetterboxed
  15. Production 02074Extension 765EntertainmentLetterboxed
  16. Tarot of MarseilleTELEMAQUELifestyleLetterboxed
  17. Tennis Tracker ProKah Mun Justin CheongSportsLetterboxed
  18. Deep Sleep with AJUniversal Relaxation LtdHealth & FitnessLetterboxed
  19. My PlayHome HospitalPlayHome Software LtdEntertainmentLetterboxed
  20. Pocket NephrologyRatib MahfouzMedicalLetterboxed
  21. 2021 CDC STI (STD) GuidelinesDon MillerMedicalLetterboxed
  22. Coloring WatchSydvesti OyEntertainmentLetterboxed
  23. Digital Mirror MobileJC Video Systems Inc.SportsLetterboxed
  24. Fonts BrowserDirk EineckeReferenceLetterboxed
  25. My Workout+My Macros LLCHealth & FitnessLetterboxed
  26. Santo Rosario CatólicoMartha Luz Rodriguez LealLifestyleLetterboxed
  27. Advanced English Dictionary.JDMI Kft.ReferenceLetterboxed
  28. 365 * 300+ Best sex positions碧珍 刘LifestyleLetterboxed
  29. Army Survival Guide & ToolsPolemics Applications LLCReferenceLetterboxed
  30. Dallas CowboysDallas Cowboys Football Club, Ltd.SportsLetterboxed

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