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db&km/h app for iPhone and iPad

4.2 ( 2752 ratings )

Utilities Productivity
Developer: Zhong Chen

Free

Current version: 1.1.0, last update: 6 years ago
First release : 20 Jun 2017
App size: 823 Kb

一款集声音分贝测试和运动速度于一身的简单实用的测量工具