Ruler APK
APK Version History
- Version
- 3.6.5 (29)
- Architecture
- universal
- Release Date
- March 22, 2024
- Requirement
- Android 5.0+
Download [ 2.4 MB ]
Safe
- Version
- 3.6.2 (26)
- Architecture
- universal
- Release Date
- May 18, 2023
- Requirement
- Android 4.1+
Download [ 1.3 MB ]
Safe
- Version
- 3.6 (24)
- Architecture
- universal
- Release Date
- May 18, 2023
- Requirement
- Android 4.1+
Download [ 1.2 MB ]
Safe
- Version
- 3.5.2 (23)
- Architecture
- universal
- Release Date
- May 18, 2023
- Requirement
- Android 4.1+
Download [ 1.2 MB ]
Safe
- Version
- 3.5.1 (22)
- Architecture
- universal
- Release Date
- May 18, 2023
- Requirement
- Android 4.1+
Download [ 1.2 MB ]
Safe
About Radio FM 90s
A simple, user-friendly and accurate ruler for your phone!
Use a coin or a credit card to calibrate the ruler anywhere, when you don't have a real ruler with you!
- Ad free, for real, forever!
- Pick your units: fractional inches, decimal inches, centimeters or millimeters
- Calibrate your ruler with a credit card to get you started anytime, anywhere
- Don't have a credit card with you? Calibrate your ruler with a coin!
- Calibrate your ruler with a real ruler to achieve the best precision in your measurement transfers
- Manually set the ruler to a known length for accurate measurements
- Night mode to save battery (on AMOLED screens) and to relieve your eyes at night
- Save your measurements for future use
- No permission required
Update history:
3.5 -- Millimeters, set to predefined length
3.3 -- Calibrate with a credit card, remove saved measurements from history
3.2 -- Fractional display of measurements in inches
3.0 -- Android Material theme and new scale for measurements in inches
2.1 -- Calibrate with a coin, default calibration button (reset)
2.0 -- You can now save your measurements
1.7 -- Night mode to save battery and/or read more easily at night
1.6 -- Added default calibration for common devices (Nexus series, Galaxy S series, Galaxy Note 1, 2 and 3)
Use a coin or a credit card to calibrate the ruler anywhere, when you don't have a real ruler with you!
- Ad free, for real, forever!
- Pick your units: fractional inches, decimal inches, centimeters or millimeters
- Calibrate your ruler with a credit card to get you started anytime, anywhere
- Don't have a credit card with you? Calibrate your ruler with a coin!
- Calibrate your ruler with a real ruler to achieve the best precision in your measurement transfers
- Manually set the ruler to a known length for accurate measurements
- Night mode to save battery (on AMOLED screens) and to relieve your eyes at night
- Save your measurements for future use
- No permission required
Update history:
3.5 -- Millimeters, set to predefined length
3.3 -- Calibrate with a credit card, remove saved measurements from history
3.2 -- Fractional display of measurements in inches
3.0 -- Android Material theme and new scale for measurements in inches
2.1 -- Calibrate with a coin, default calibration button (reset)
2.0 -- You can now save your measurements
1.7 -- Night mode to save battery and/or read more easily at night
1.6 -- Added default calibration for common devices (Nexus series, Galaxy S series, Galaxy Note 1, 2 and 3)
What's New in this version
Fix issues with tall devices such as the Pixel 2 XL, and devices with a notch a the top of the screen.
Add Swedish krona to available currencies for calibration as well as Swedish localization.
Minor UI improvements.