Screen Ruler - Measure Precise
Precise measurements anytime
Free · In‑App Purchases
Turn your iPhone or iPad into a precise ruler with calibration, centimeters, inches, magnifier assist, and haptic feedback.
Measure Anything with Your iPhone
A calibratable ruler app with centimeter and inch scales, magnifier assist, and haptic feedback.
Core Features
• Calibratable ruler: Match the scale to a known length and save calibration per device.
• CM and inch scales: Switch between centimeters and inches for everyday measurement.
• Magnifier assist: Use the magnifier to align edges and marks with more confidence.
• Haptic feedback: Feel subtle feedback as you adjust measurement marks.
What can you measure?
• Small objects
• Stationery
• Frames
• DIY projects
About accuracy
Accuracy depends on calibration and placing the object directly on the screen. Calibrate once for more reliable short measurements.
Feedback: ankek1er@gmail.com
Version 1.9.4 refreshes App Store metadata, updates official website links to getruler.app, and includes stability improvements.
The developer, 向阳 杨, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 向阳 杨
- Size
- 19.6 MB
- Category
- Utilities
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 9 more
- English, Arabic, French, German, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Ads-free experience $1.99
- Support for a cup of coffee $2.99
- Copyright
- © 2025 Rudy Yang