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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. CLIPish KeyboardDating DNA, Inc.Social NetworkingLetterboxed
  2. Club CITGOCITGO Petroleum Corp.NavigationLetterboxed
  3. GǎyborOmar RamirezTravelLetterboxed
  4. IC101 Food AppInterstitial Cystitis NetworkHealth & FitnessLetterboxed
  5. Keyboard Translator ProGiacomo GuglielmiNewsLetterboxed
  6. MilGPS+mustafa pistofogluNavigationLetterboxed
  7. Mise Recipe Tablescyrus loweFood & DrinkLetterboxed
  8. My LispLaurent RodierDeveloper ToolsLetterboxed
  9. MyShake Earthquake AlertsUniversity of California, BerkeleyWeatherLetterboxed
  10. PicRef祥 汤Graphics & DesignLetterboxed
  11. Pro-KnotPRO-KNOTSportsLetterboxed
  12. VAG serviceVladimir SusoykinShoppingLetterboxed
  13. WolframAlpha ClassicWolfram Group LLCReferenceLetterboxed
  14. AquarimateWiseLogic IncProductivityLetterboxed
  15. Brisbane Public TransportJOhn LyonsTravelLetterboxed
  16. Check GeneratorJason HatzelisBusinessLetterboxed
  17. Cross It OffBryan WuShoppingLetterboxed
  18. FEED MobileThe Kroger Co.NewsLetterboxed
  19. FaiKhyati KhandelwalGraphics & DesignLetterboxed
  20. Fake-A-Message ™ (MMS & SMS!)Excelltech Inc.Social NetworkingLetterboxed
  21. Google Watch Web BrowserMalik Hamza KhalidEducationLetterboxed
  22. Litchi for DJI DronesVC Technology LtdPhoto & VideoLetterboxed
  23. MyDevotedDevoted HealthMedicalLetterboxed
  24. Pickleball Score KeepercodeDependent Software IncorporatedSportsLetterboxed
  25. Radiology CoreLieu DuongMedicalLetterboxed
  26. SwingSpeakticketyboo.ai llcHealth & FitnessLetterboxed
  27. TV Remote for Roku ·Netsis Mobile FZCOUtilitiesLetterboxed
  28. TeletextoxorrNewsLetterboxed
  29. WakeWatchDaniel MunsonNavigationLetterboxed
  30. A Day at a Time MeditationsBookMobileBookLetterboxed

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