Spirit Level Plus app analytics for July 17

Spirit Level is optimized for iPhone 13 and iPhone 13 Pro! Also check out iMetalBox: 7 in 1, get 6 more tools with the price of one! You can use Spirit Level for: - Carpentry works - Measure angles and slopes - Home decoration - And much more! Calibrate instructions: - To calibrate the levels, hold the phone against a reference surface and press the Calibrate button. - Do this one time for the face-up orientation only.