Camera Protractor: Angle Meter
Photo, Level, Slope & Pitch
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Measure angles from photos, live camera views, and real surfaces. Check slope, roof pitch and more. Free core tools, with a one-time Pro upgrade.
Turn your iPhone or iPad into a camera protractor, photo angle meter, and surface inclinometer.
Measure angles from photos, live camera views, or real-world surfaces in seconds. Check slope, roof pitch, and miter cuts, save your measurements, and share the results.
Three ways to measure. One simple angle toolkit.
THREE WAYS TO MEASURE
PHOTO
Choose a photo from your library or take a new one, then place three points to measure an angle.
CAMERA
Use the live camera protractor, freeze the view, and fine-adjust the measurement points for greater precision.
SURFACE
Use your iPhone or iPad as an inclinometer to measure tilt from horizontal, slope percentage, and roof pitch.
POWERFUL MEASUREMENT TOOLS
• Measure minor and reflex angles
• Fine-adjust measurement points
• Pinch to zoom for precise placement
• Measure slope percentage
• Calculate roof pitch
• Set a custom zero reference
• Hold a measurement
• Calibrate the level sensor
• Save measurements to History
• Add notes to saved measurements
• Export measurement images
• Share your results
CAMERA PROTRACTOR PRO
Upgrade once to unlock additional professional tools:
• Edge Snap — automatic edge assistance
• Multiple Angles — measure up to 10 angles on one image
• Miter Calculator — convert measured corners into saw settings
• Projects — organize related measurements
• Tags — label and organize your measurements
• PDF Reports — create professional measurement reports
• Adjust a Copy — reuse a saved measurement without changing the original
One-time purchase. No subscription.
USEFUL FOR
Camera Protractor is useful for:
• DIY and home improvement
• Woodworking and carpentry
• Construction
• Roofing
• Furniture and installation work
• Measuring slopes and inclines
• Checking angles from photos
• Everyday angle measurements
PRIVACY
Your measurements stay on your device.
NOTE
Photo measurements describe angles in the image plane. Camera perspective can change the apparent angle of real-world objects.
Camera Protractor is now more powerful and easier to use.
• Improved angle measurement and fine adjustment
• Multiple-angle measurement support
• Edge Snap assistance
• Miter Calculator
• Projects and tags
• PDF measurement reports
• Adjust a saved measurement as a copy
• Improved iPhone and iPad layouts
• General UI and reliability improvements
Thanks for using Camera Protractor!
The developer, 华芳 张, 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
- Seller
- Huafang Zhang
- Size
- 6 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.8 or later.
- iPhone
Requires iOS 15.8 or later. - iPad
Requires iPadOS 15.8 or later. - iPod touch
Requires iOS 15.8 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 7 more
- English, French, German, Italian, Japanese, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Camera Protractor Pro $0.99
- Copyright
- © ipixeltech@2026