Duolian vs V
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Duolian
Enhance your table tennis and badminton training with advanced video analysis. Review matches rally-by-rally, compare your technique frame-by-frame, and build personalized practice plans. Track your progress and identify areas for improvement to elevate your game.
- Match and rally video recording
- Intelligent rally segmentation
- Technique comparison with 3D body analysis
- Customizable practice plans
- Table tennis ball-machine drills
- Cross-sport support (table tennis & badminton)
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Make every practice more focused with Duolian. Built for table tennis and badminton players, Duolian brings match recording, rally review, technique comparison and training records together. Look back at your session and find what to work on next. REVIEW YOUR MATCH, RALLY BY RALLY Record or import match videos. Intelligent rally segmentation turns long recordings into clips that are easier to review. Save your matches and analysis records to revisit your performance. COMPARE YOUR TECHNIQUE Choose a reference movement or compare two of your own videos. Use frame-by-frame playback, skeleton overlays and angle information to spot differences. Cloud-based 3D Body comparison lets you explore movements from different perspectives. KEEP TRACK OF TABLE TENNIS MATCHES Scan a code to start a match with another player, record and confirm scores, then review the match video by rally. BUILD YOUR PRACTICE PLAN Choose table tennis ball-machine drills, adjust training parameters and combine drills into a plan. Review training records and statistics. Compatible hardware is required for ball-machine training. CHOOSE YOUR SPORT Switch between table tennis and badminton to see the relevant training features and records. Match challenges and ball-machine training are table tennis features. DUOLIAN PREMIUM Choose a monthly or annual auto-renewing subscription. Both plans include the same benefits: 4 hours per week for intelligent analysis and rally segmentation, plus 16 cloud-based 3D Body comparisons per month. See the in-app purchase screen and App Store confirmation for current pricing. Payment is charged to your Apple Account when you confirm your purchase. Subscriptions renew automatically unless auto-renewal is turned off at least 24 hours before the current period ends. Manage or cancel your subscription in your Apple Account settings. You can also restore purchases in the app. Deleting your Duolian account does not cancel your Apple subscription. 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. Privacy Policy: https://duolian.cc/privacy-policy.html Terms of Use: https://duolian.cc/terms-of-use.html Support: support@duolian.cc Website: https://duolian.cc
V
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Record your workouts and get instant reviews from top-level sports enthusiasts with just one click! Powered by AI, our app streamlines the process of creating and adjusting workout plans, eliminating the complexity of traditional plan modifications. As a sports expert, share your knowledge and lead others to reach new heights in their athletic pursuits. Stop aimless workouts! Embark on your scientific fitness journey with V-Train! Upload your exercise videos and compare them in real-time with standard action videos. Experienced 'coaches' will provide online reviews, accurately identifying any flaws in your movements, ensuring that every workout counts. Leveraging intelligent AI algorithms, we tailor personalized fitness plans based on your body data, fitness goals, and schedule. And you can easily adjust the plans at any time. Join our fitness community, interact with millions of fitness enthusiasts, exchange tips, and motivate each other to transform together! Here, your fitness aspirations are destined to become a reality! Are you eager to showcase your expertise and sports experience? Join our V-Train and become a professional review coach! Here, you can not only help others avoid sports risks and enhance training effectiveness with your precise reviews but also engage in in-depth exchanges with top sports enthusiasts, sparking more training inspiration. Your insightful advice will earn the likes and trust of countless users, allowing your influence in the fitness world to spread far and wide, and making you a true "thought leader" in the fitness community! 告别盲目健身!在V-Train,开启你的科学健身之旅!上传你的运动视频,与标准动作视频实时对比,资深教练在线点评,精准指出动作问题,让你每一次训练都事半功倍。AI 智能算法根据你的身体数据、健身目标和时间安排,量身定制专属健身计划,还能随时灵活调整。加入健身社区,与千万健身爱好者交流打卡,互相激励,共同蜕变!在这里,你的健身目标,终将实现! 记录饮食,获得AI专业分析,减脂好帮手! 想让你的专业知识与运动经验发光发热吗?加入V-Train,化身专业点评教练!在这里,你不仅能通过精准点评帮助他人规避运动风险、提升训练效果,还能与各路运动大神深度交流,碰撞出更多训练灵感。你的真知灼见将收获无数用户的点赞与信赖,让你的运动影响力从这里辐射全网,成为运动健身界真正的 “意见领袖”!
Screenshots
Verdict
The clearest difference is in-app purchases: Duolian at none against V's 1. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. V sells 1 one-off in-app purchase. Duolian asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.
| Parameter | Duolian | V |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 88.9% of reviews | — |
| Update frequency | Every 10 days | Every 10 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 138 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Duolian | 星缘 郭 |
In-app purchases
Duolian
No in-app purchases
V
- 20 tokens - Upload your MOVE!$3.99









