Use APKPure App
Get Grade - Pumb old version APK for Android
Simple, light weight and direct to solve the problem.
To check the floor or things angle.
Simple like this.
Precision may vary between phones.
It is a really small app, almost no space used from your device.
What's New in the Latest Version 1.2
Last updated on Jul 31, 2015
Minor bug fixes and improvements. Install or update to the newest version to check it out!
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Grade - Pumb
1.2 by Pozzo Apps
Jul 31, 2015