Bubble Level - FREE (Spirit) Level Tool
for iPhone, iPad and iPod touch
Bubble Level is a accurate and simple to use spirit level for your iPhone, iPad and iPod touch.
It's great for aligning picture frames or for angle measurements.
◉ Measure the level of any surface.
◉ It can be calibrated with the click of a button and the calibration is saved automatically.
◉ It's accurate to one tenth of a degree.
◉ Full Retina support.
This tool can be used for:
◉ Picture frame alignment
◉ Measuring angles and slopes
◉ Checking the surface level of tables, shelves or any other object
◉ Measuring the inclination of a ship, aircraft or car
◉ Roof pitch calculation
▶ Calibration instructions:
- To calibrate the level, hold the phone upright against a reference surface
( landscape mode with the button to the left ) and press the red Calibrate button.