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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. contentKeith NormanNewsLetterboxed
  2. Afrique MediaArole KenfackNewsLetterboxed
  3. Berenstain Bears Collection #1Oceanhouse MediaBookLetterboxed
  4. Bitcoin ConvertSweetP Productions, Inc.FinanceLetterboxed
  5. Color Wheel + Osmosi AIStudio Schematics, LLCGraphics & DesignLetterboxed
  6. Gem Genius AITrisphere Apps LLCShoppingLetterboxed
  7. Holy Rosary Audio Deluxe(Rosary and Divine Mercy)小芳 李ReferenceLetterboxed
  8. My PlayHome SchoolPlayHome Software LtdEntertainmentLetterboxed
  9. PediRefRemedium LLCMedicalLetterboxed
  10. Scientific AmericanSpringer Nature America, Inc.NewsLetterboxed
  11. Stroke Counter for GolfSimon B. StøvringSportsLetterboxed
  12. Time Trainer MetronomeJustin GuitarMusicLetterboxed
  13. WeatherLCDhomedatasheet.com, Inc.WeatherLetterboxed
  14. iFastDaniel CrossHealth & FitnessLetterboxed
  15. iNFC 一键读取交通卡ShenZhen Yuyue Technology Co., Ltd.LifestyleLetterboxed
  16. 3rd Grade Comprehension SkillsArni Solutions Pvt. Ltd.BookLetterboxed
  17. California State RoadsCoderun Technologies LtdTravelLetterboxed
  18. Chirp! Bird Songs & Calls USASpiny Software LtdReferenceLetterboxed
  19. ContactsPro HXDemodit GmbHSocial NetworkingLetterboxed
  20. DeArrow for YouTubeAjay RamachandranProductivityLetterboxed
  21. Koala FXMazbox LimitedMusicLetterboxed
  22. Manual Camera 4Kenneth KaoPhoto & VideoLetterboxed
  23. Nova WallpapersSimTeCon GmbHGraphics & DesignLetterboxed
  24. Park SmarterIPS Group IncProductivityLetterboxed
  25. Pocket Eye ExamDanger Russ LLCMedicalLetterboxed
  26. Putt Craft GolfChris HahnSportsLetterboxed
  27. Qlone 3D Scanner EDUEyeCue Vision TechGraphics & DesignLetterboxed
  28. Rawtarian's Raw RecipesBrightflockFood & DrinkLetterboxed
  29. SeeLessDevelobile S.p.A.Developer ToolsLetterboxed
  30. Speedometer»Tim O's Studios, LLCNavigationLetterboxed

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