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.
2,069 apps · Letterboxed
NKJV Bible Audio Version ProRamana GangeshReferenceLetterboxed
Resolve Tattoo PrepAtkstudio PTY LTDLifestyleLetterboxed
Spirit Contact TalkerBello Studios LLCEntertainmentLetterboxed
ChordbotContrasonic ABMusicLetterboxed
Custom Alert Tones & SoundsMobgen Apps IncEntertainmentLetterboxed
Piping EngineeringJitendra SurveReferenceLetterboxed
ThreadBookSoftware MiraclesLifestyleLetterboxed
Run 5kFelt Tip Inc.Health & FitnessLetterboxed
a320resetVictor ErmilovReferenceLetterboxed
zFuses-joys Co., Ltd.EntertainmentLetterboxed
Navigation Rules ProCalculated IndustriesReferenceLetterboxed
iSleep EasyMeditation OasisHealth & FitnessLetterboxed
Cardiograph ClassicMacroPinch Ltd.Health & FitnessLetterboxed
Pew Pew!!Capital FEntertainmentLetterboxed
A Chakra Meditation by Glenn HarroldGlenn Harrold Publishing LtdLifestyleLetterboxed
Chambers ThesaurusAntony LewisReferenceLetterboxed
Fast Tract DietNorm RobillardHealth & FitnessLetterboxed
A Course in Miracles Narratedkoii mediaLifestyleLetterboxed
DNA Transform!Joao Gabriel MenezesEntertainmentLetterboxed
Matt. Henry Concise CommentaryGeorge DimidikReferenceLetterboxed
Recent ContactsKyle GorlickUtilitiesLetterboxed
Himnario Lldm InglésHonner Parra RomeroEntertainmentLetterboxed
RetrieversBill PearsonReferenceLetterboxed
BluristicJohannes PfahlerPhoto & VideoLetterboxed
Home Builder Pocket ReferenceCalculated IndustriesReferenceLetterboxed
iTHUMP/Toxic+Ian PidgeonEntertainmentLetterboxed
Pocket Light MeterNuwaste studiosPhoto & VideoLetterboxed
Tuner by PiascorePiascore, Inc.MusicLetterboxed
philolog.usphilolog LLCReferenceLetterboxed
Tattoo StencilPony Lawson LLCPhoto & VideoLetterboxed
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