Choose your sport
Open Duolian and select table tennis or badminton to see the relevant training features.
DUOLIAN / iOS APP
Rally review, technique comparison and practice plans. Ready for the court.
iPhone · iPad · Apple Watch · Free with in-app purchases


Open Duolian and select table tennis or badminton to see the relevant training features.
Use the match entry to record or import a match. To work on technique, choose Technique Correction or Custom Comparison.
Review rallies or step through technique differences. Save your records and plan what to practise next.
iPhone / iPad: iOS / iPadOS 16.0 or later. Apple Watch: watchOS 10.0 or later. Cloud analysis requires an internet connection. See the app for currently supported techniques.
No. Start with your iPhone to record and replay videos or compare technique. Ball-machine drills require compatible hardware; watch features require an Apple Watch.
Local video recording, playback and local technique comparison do not require consent to cloud AI processing. Cloud analysis uploads the relevant media only with your consent.
Monthly and annual plans have the same benefits: 120 minutes per week for intelligent analysis and rally segmentation, plus 8 cloud-based 3D Body comparisons per month. See the app and App Store confirmation for current pricing.
DUOLIAN / iOS
Make every practice more focused with Duolian.
Download on the App StoreiPhone · iPad · Apple Watch · Free with in-app purchases
