Dave Well

一个人做的
小而实用的 App。Small, useful apps,
made by one person.

我是 Dave Well，独立开发者。这里介绍我做的应用，并提供它们的隐私政策和技术支持。I’m Dave Well, an independent developer. This site introduces my apps and hosts their privacy policies and support pages.

网球发球训练Tennis Serve Trainer

用 iPhone 拍下发球，估算球速，记录落点、进区率和训练趋势。数据只保存在你的手机里。Film your serves with an iPhone, estimate speed, and log landings, in-rate and trends. Your data stays on your phone.

了解更多Learn more 隐私政策Privacy policy 技术支持Support

更多应用在做，做好了会放在这里。More apps are in the works. They’ll appear here.