1 Apps
Free
Use a coin or a credit card to calibrate the ruler anywhere, when you don't have a real ruler with you....
Know MoreFeatures of Ruler:
- Ad free, for real, forever
- Pick your units
- You started anytime, anywhere
- Calibrate your ruler with a coin
- Calibrate your ruler with a real ruler to achieve
- Manually set the ruler to a known length for accurate measurements
- Night mode to save battery
- Save your measurements for future use