Clinometer Bubble Level is a free iPhone app developed by 齐 陈 in the Utilities & Tools category. It is designed to provide accurate angle measurement and surface flatness measurement for various purposes. Whether you're decorating your home, aligning pictures, measuring the slope of an area, checking the verticality of a wall, or calculating roof pitch, this app has got you covered.

One of the key features of Clinometer Bubble Level is its ability to measure angles and surface flatness with precision. The app provides a calibration option to ensure accurate readings. Additionally, it offers a hold option, allowing you to freeze the measurement on the screen for ease of use.

Clinometer Bubble Level also includes an auto fade feature that automatically fades out any unused level, keeping the interface clean and clutter-free. The app uses numbers to indicate angles, making it easy to read and understand the measurements.

Overall, Clinometer Bubble Level is a user-friendly and reliable tool for angle measurement and surface flatness measurement. Whether you're a professional or a DIY enthusiast, this app can greatly assist you in various tasks.