The world first CPR feedback device for smart watch is here. While chest compression with W-CPR, it measures the compression depth and shows whether you compress in proper depth or not. Also proper compression speed is conducted by vibration of 110 times/min.
MElab developed W-CPR that falls into the Medical tools category. The tool has been downloaded and set up by over 1K users and its latest update was released on Jun 26, 2015. On Google Play, this application was rated 1.3 by its users.
Use the opportunity to get the installation package of W-CPR 1.4 for free and read users' reviews on Droid Informer. The app is created for Android 4.0 and higher. The download of the app is 100% safe.