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Solo founder here: I built an AI app that grades your tennis serve from a video. Brutally honest feedback wanted (AMA on what I’ve learned)

Hey fellow builders 👋 I’m Rome I just graduated from UCLA and I created an app called Tennis AI on the app store: https://apps.apple.com/app/id6774777838 You film your serve or forehand on your phone and the app shows you an AI skeleton over your swing, a score for each phase (preparation, contact, rotation, balance), and the one fix plus a drill that would help you most. It’s like a coach’s video review without paying $80 an hour. Why I built it: I play competitively and could never

五维评分

付费意愿
80
需求真实度
78
个人可落地
65
竞争空间
55
新鲜度
70

AI 分析

痛点:网球爱好者看不到自己发球动作的问题,请教练又太贵(约$80/小时),缺乏低成本、可即时反馈的视频分析工具。

目标用户:业余网球爱好者、竞技型网球选手、网球教练、青少年球员家长

证据:“It’s like a coach’s video review without paying $80 an hour.” “30 paying subscribers, ~$157 MRR” “~575 sign-ups” “37% of people were quitting before finishing it”

变现:订阅制(月/年)+ AI分析次数包/积分;后续可加教练人工复核、训练计划、俱乐部/教练B端套餐和联盟营销。

MVP:用现有姿态估计API(如MediaPipe/云视觉)做手机视频上传→骨骼叠加→分阶段评分→只给1个最关键改进点+1个训练动作;Stripe/App内购订阅,先聚焦网球发球单一动作,加分析结果一致性校验(重复推理取平均)。

竞品:SwingVision、Onform、Sportsbox AI、CoachNow、Tennis AI

摘要:UCLA毕业生Rome独自开发Tennis AI,用手机视频给网球发球/正手打分并给出改进建议。产品已有约575注册、30名付费订阅、约$157 MRR,说明细分运动AI视频分析存在真实付费需求。但MRR仍低,且需解决AI评分一致性、37%的onboarding流失和计费稳定性问题。

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做 网球爱好者看不到自己发球动作的问题,请教练又太贵(约$80/小时),缺乏低成本、可即时反馈的视频分析工具。