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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. impcatDesign Bench - Immersive AgencyProductivityLetterboxed
  2. 高吉起名HD起名大师专业版伟 徐ShoppingLetterboxed
  3. BeeYury ApollovDeveloper ToolsLetterboxed
  4. BellAdam ClaxonLifestyleLetterboxed
  5. CelebsSociaaal LLCPhoto & VideoLetterboxed
  6. Cinema BoxSoulaimane BentalebReferenceLetterboxed
  7. Docs²Docs Squared, LLCBusinessLetterboxed
  8. Doctor McWheelieLazy Shrimp Studio LtdBookLetterboxed
  9. FX Calculator ProAbid RahimFinanceLetterboxed
  10. Financial Calculatorjoaquin grechFinanceLetterboxed
  11. Florida Boating WeatherLW Brands, LLCWeatherLetterboxed
  12. Handy Art Reference ToolBelief EngineEducationLetterboxed
  13. InPulseAIBYHealth & FitnessLetterboxed
  14. Jason Vale’s Super Blend Me!Juice MasterFood & DrinkLetterboxed
  15. My Measures PRO + AR MeasureTOP APP d.o.o.ProductivityLetterboxed
  16. My VA BenefitsScott FosterMedicalLetterboxed
  17. Pro-KnotPRO-KNOTSportsLetterboxed
  18. Reader miniKai LuoNewsLetterboxed
  19. Summons PlusPayal SethReferenceLetterboxed
  20. YAML ToolsMohammed AadhilDeveloper ToolsLetterboxed
  21. emotionary+ by Funny Feelings®Funny Feelings®Social NetworkingLetterboxed
  22. insTunerPolybeat PTE. LTD.MusicLetterboxed
  23. visorAndre EitzMedicalLetterboxed
  24. Activate Your VoiceElaine ClarkBusinessLetterboxed
  25. Another Monster At the End...Sesame Workshop (Apps)EducationLetterboxed
  26. Baby Formula CalculatorCasey DavisShoppingLetterboxed
  27. CBT ToolsSoftware Alchemy LtdMedicalLetterboxed
  28. Checkbook ProBeesoft AppsFinanceLetterboxed
  29. Epson iPrintSeiko Epson CorporationPhoto & VideoLetterboxed
  30. Fingering & Tuning ChartsShelley JagowMusicLetterboxed

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