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The best and most accurate level from iPhone now on Android. This is the first version, that has a unique two way calibration! With that you can calibrate your device even on non-level surfaces. We will support this product long term and add more features! This product does not display Ads! keywords: Clinometer, XClinometer, spirit level,plumb bob,clinometer,bubble level,carpenter,wasserwaage,water level,smart tools,ruler,nivelle,geocaching,niveau à bulle,nivel de agua,livella,水泡式水平尺,水平仪,ватерпас,geocaching According to wikipedia: An inclinometer or clinometer is an instrument for measuring angles of slope (or tilt), elevation or inclination of an object with respect to gravity. It is also known as a tilt meter, tilt indicator, slope alert, slope gauge, gradient meter, gradiometer, level gauge, level meter, declinometer, and pitch & roll indicator, . follow us on facebook,skype or twitter