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.
1,685 apps · Letterboxed
Piping DataBaseRadin AlciraUtilitiesLetterboxed
QuakeWatchLateNightProjectsNewsLetterboxed
Range Finder ToolNatalia GavrylovaNavigationLetterboxed
Rarevision VHSRarevisionPhoto & VideoLetterboxed
Silk 2Yuri VishnevskyEntertainmentLetterboxed
Speech AIMalik Hamza KhalidMagazines & NewspapersLetterboxed
Squeezy MenLiving With LtdMedicalLetterboxed
Webster's 1828 Dictionary USANasda StudiosReferenceLetterboxed
YoWindow WeatherWeather View LLCWeatherLetterboxed
python3$小文 黄Developer ToolsLetterboxed
BeerSmith Mobile Home BrewingBeerSmith LLCFood & DrinkLetterboxed
BikeeSammy AzdoufalSportsLetterboxed
Cattle Weight EstimatorH3 Apps, LLCBusinessLetterboxed
Elmo CallsSesame Workshop (Apps)EducationLetterboxed
Foraging with the "Wildman"Steve BrillFood & DrinkLetterboxed
GPS KitGarafa, LLCNavigationLetterboxed
GSE SMART IPTV PROdroidvisionEntertainmentLetterboxed
LeafSpy ProJames PollockLifestyleLetterboxed
News ExplorerRon ElemansNewsLetterboxed
Papa's Sushiria To Go!Flipline StudiosGamesLetterboxed
PicInsight辉章 何Graphics & DesignLetterboxed
PlaneWatcherGround Effect GmbHTravelLetterboxed
QuotesBySaintsArtium NihamkinEducationLetterboxed
Silly Fun Smile Live WallpaperHypernova LimitedGraphics & DesignLetterboxed
TX Real Estate Exam FlashcardsChampions School of Real EstateEducationLetterboxed
Tax Me ProTardent Apps Inc.FinanceLetterboxed
php$小文 黄Developer ToolsLetterboxed
10BII Calc HDErnest BrockFinanceLetterboxed
5-0 Radio Pro Police ScannerSmartest Apps LLCNewsLetterboxed
Best Fishing TimesK SOLUTION LLCWeatherLetterboxed
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