Spirit Level Plus 1.31 [免费版]

If you like it, get the ad-free version for only 0.99EUR

Use this App at Your own risk.
I can not guarantee for its accuracy.

*Alot of users are confused about the fact that the app requires an internet-permission. This is because of the ads. Sorry about that.

• 11/23/2016: Spirit Level Plus 1.31
• 03/30/2015: Spirit Level Plus 1.27
• 报告一个新版本