Bubble Level & Angle Finder
Practical guides
Clear answers for the jobs people search for before choosing an app. Turn your iPhone into a clean digital spirit level, inclinometer and angle meter with calibration, custom targets, adjustable tolerance, sound and haptic confirmation.
How to use an iPhone bubble level on a surface
Place the phone securely, check its reference and read the bubble without assuming professional accuracy.
Read guide →Practical guideUse a phone level to align a picture frame
Check a frame’s top edge, make small adjustments and confirm the result from more than one position.
Read guide →Practical guideHow to measure an angle with iPhone: calibrate, place and check
Measure a surface angle with your iPhone. Learn how to calibrate, choose a target and check repeatability before adjusting a shelf or a slope.
Read guide →Practical guideHow to check whether an RV or camper is level with iPhone
Check side-to-side and front-to-back camper tilt with an iPhone, a consistent reference surface and a repeatable leveling procedure.
Read guide →Practical guideCheck an angle before planning a miter cut
Use a phone angle reading as a reference and confirm the actual cut with the appropriate woodworking tools.
Read guide →Practical guideCalibrate an iPhone digital level before measuring
Check the phone’s contact surface, use a known reference and repeat readings before trusting an angle.
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