No calibration is needed! No approximation is made!
Transform your Android device into an accurate ruler.
Useful to measure small objects.
If this app doesn't fulfill your requirements, you can return the app within 2 hours for a full refund.
The measurements are limited by the size of the screen of your device.
1. Put the object you want to measure on top of the screen;
2. Line up the right boundary of the object moving the right cross, by using the corresponding buttons on the bottom of the app.
3. Line up the left boundary moving the left cross, by using the corresponding buttons on the bottom of the app.
4. For your comfort, you can switch between two screen modes, white and black background, by pressing the EYE button on the top right corner.
5. If you find out that your device is giving wrong measurements, please press the FLAG button on the top right corner and wait for n new ipdate of your app.
You can measure distances between two points (of a drawing) on a white paper sheet. Switch your app to the WHITE background mode and put the paper sheet over your device.