RulePad
Ruler, Protractor & AR Measure
Free · Designed for iPad. Not verified for macOS.
Measure anything — on screen, in AR, or from a photo. Now with CSV export, mode memory, and synced units across tabs. No subscription.
RulePad is your all-in-one measurement toolkit. Screen rulers, AR measurement, protractor, and photo measurement — everything you need in one app.
RULER
• Multiple rulers on a free-form canvas
• L-ruler for measuring corners
• Metallic silver design with precise tick marks
• Full-screen ruler mode with edges on all four sides
• Pinch-to-resize protractor for angle measurement
• Custom calibration for any device
AR MEASURE
• Tap to measure distances in the real world
• Flexible tape mode — follow curves and edges
• Close loop for floor plans with area calculation
• Drag to adjust placed points
• Screenshot measurements with annotations
• Triangle and polygon angle display
PHOTO MEASURE
• Measure objects in photos
• Calibrate with preset reference objects (coins, cards, paper)
• Pinch to zoom for precision placement
• Track sizes over time
HISTORY
• All measurements saved automatically
• Export to 2D technical drawings
Privacy Policy: https://quietbyte.io/privacy-rulepad.html
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
- New: Export measurements as CSV (Pro)
- Improved: Ruler remembers your last mode (multi-ruler, full-screen, or protractor)
- Improved: Units now sync between AR and Photo tabs
- Improved: Copy toast shows the actual measurement value
- Security: Pro status stored securely
The developer, JUMING LAI, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- JUMING LAI
- Size
- 2.8 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 QuietByte