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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. Cades Cove ExplorerCHARLES GREGORY GILLUMTravelLetterboxed
  2. Coffee CalculatorRandom Bits Studio LLCFood & DrinkLetterboxed
  3. Color GenieAskOkey IncLifestyleLetterboxed
  4. Coyote Calls & Predator SoundsLW Brands, LLCSportsLetterboxed
  5. DumbifyAB Apps Inc.ProductivityLetterboxed
  6. Papa's Cluckeria To Go!Flipline StudiosGamesLetterboxed
  7. PlayMetricsReverbNationSportsLetterboxed
  8. RunTempoDockMarket LLCHealth & FitnessLetterboxed
  9. Strong’s ConcordanceGlen RamsayReferenceLetterboxed
  10. Sun Surveyor (Sun & Moon)Adam RatanaPhoto & VideoLetterboxed
  11. Temp NumberYarden MitraniDeveloper ToolsLetterboxed
  12. Transformers Rescue BotsPlayDate DigitalBookLetterboxed
  13. Vehicle MastersSayGames LTDGamesLetterboxed
  14. ZAKER专业版Guangzhou Jianhe Network Technology Co.,LtdNewsLetterboxed
  15. liveBPMDaniel BachMusicLetterboxed
  16. 7 Minute Workout ChallengeFitness Guide IncHealth & FitnessLetterboxed
  17. ALERT!Red Huskies LLCSportsLetterboxed
  18. AdBlockAdBlock LabsUtilitiesLetterboxed
  19. BMW App!Rauza TleuovaShoppingLetterboxed
  20. EZ Financial Calculators ProBishinew IncorporatedFinanceLetterboxed
  21. EZ SextantThird Reef Software LLCNavigationLetterboxed
  22. EoEbooksEssentials of The Earth LLCHealth & FitnessLetterboxed
  23. Face & Body Photo editorUniqo Lab.Photo & VideoLetterboxed
  24. Find My Hearing Aid & DevicesBickster LLCMedicalLetterboxed
  25. Gore Sword Mobile祖海 孙LifestyleLetterboxed
  26. Here and there+ New ZealandAppsFab ASTravelLetterboxed
  27. Lottery (Thai)OrismaNewsLetterboxed
  28. Network ScannerGulderen GulkaraDeveloper ToolsLetterboxed
  29. Papa's Cheeseria To Go!Flipline StudiosGamesLetterboxed
  30. Parco Archeologico di ErcolanoD'Uva Workshop s.r.l.TravelLetterboxed

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