Tennistory 是一个网球拍资料库和个人养护记录工具，做给 iPhone。122 把球拍的资料库永久免费。
支持
有问题、有建议、发现资料错了，写信到 tennistory.story@gmail.com。我是独立开发者，每封信我自己看。
订阅
Tennistory PRO 是自动续订订阅，价格和周期以 App Store 的购买确认页为准。取消和退款在 Apple ID 设置里操作；删除 app 不会自动取消订阅。
Tennistory is a tennis racket reference library and personal care log for iPhone. The 122-racket library is free forever.
Support
Questions, suggestions, or a spec that looks wrong — write to tennistory.story@gmail.com. I am an independent developer and I read every message myself.
Subscriptions
Tennistory PRO is an auto-renewing subscription. Price and billing period are shown on the App Store confirmation sheet. Cancel or request a refund in your Apple ID settings; deleting the app does not cancel a subscription.