Digital Protractor & Level
Angles, level, tape & ruler
Only for iPhone
Free · In-App Purchases
iPhone
Now in Spanish, French and German. Protractor, bubble level, AR tape measure, full-height ruler and LiDAR room plans in one toolkit, with no in-app ads.
A protractor, bubble level, tape measure, ruler and room-planning toolkit in your pocket. Digital Protractor & Level brings 14 tools together with large readings, familiar instruments and a quick tool selector. Choose any tool as your default at launch. Now in English, Spanish, French and German.
ANGLES & LEVELS
• Protractor: read angles with a realistic dial and clear numerical display.
• Level: a traditional bubble vial with a tilt reading.
• 4 Corners: a bullseye surface level for tabletops and other flat surfaces.
• Photo Angle: choose a photo and drag the corner and endpoints to measure an angle.
• Camera Level: use on-screen alignment guides over the live camera.
• Compass & Tilt: check direction and inclination.
MEASURE & PLAN
• Tape Measure: place a start and end point in augmented reality, with a bold measurement line and visible point markers. Chain segments, capture dimensions and save measurements with Expanded Toolkit.
• Ruler: a full-height, calibrated on-screen ruler in metric or imperial units, with a drag handle that stays clear of the controls.
• Height: mark a base and top to estimate vertical height.
• Area: outline a flat surface to estimate its area.
• Floor Plan: enter wall lengths or mark floor corners, then save and share a plan.
• Room Layout: scan a room with LiDAR on a supported iPhone. Export USDZ, OBJ, SVG and JSON files to a computer for compatible 3D, drawing and rendering software. Exports contain simplified geometry, not a photographic scan.
• TV Sizer: preview a selected screen size on a wall.
• Magnetic Field: view nearby magnetic field strength.
QUICK ACCESS
Switch tools from the Tools button, revisit recent tools, set your preferred startup tool, and organize saved measurements. Portrait and landscape layouts keep controls within reach. The app follows your iPhone's language in English, Spanish, French and German, including readings, spoken angles and purchase details.
FREE & PAID ACCESS
Use the basic Protractor, Level, Ruler and single-line Tape Measure free. Opening a tool preview is free; paid tools and actions show the available purchase options when you use them.
Expanded Toolkit unlocks all paid features. Choose $1.99 per month, $4.99 every three months, or a $14.99 one-time lifetime purchase in the U.S. Prices vary by country and are shown before purchase. Monthly and three-month subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Manage or cancel subscriptions in your App Store account settings. Lifetime does not renew. Restore Purchases is available in the app.
Existing Original Tools buyers keep the tools and features included in their original purchase. Expanded Toolkit is an optional upgrade for the additional tools.
DEVICE & MEASUREMENT NOTES
AR measurements are estimates and depend on lighting, surfaces and tracking. Room scanning requires a LiDAR-equipped iPhone. Camera Level displays virtual guides; it does not project a laser. Magnetic Field is not a dependable wire or stud detector. Photo angles can be affected by perspective. Check critical measurements with appropriate physical tools.
No account and no in-app ads. Photos, scans and saved measurements stay on your device unless you choose to share them. Camera access supports camera and AR tools; optional location access supports true north. Purchases and restores require internet access.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
New in 2.1:
• Now in Spanish, French and German. The app follows your iPhone's language, including readings, spoken angles, permission prompts and purchase details. Other languages use English.
Also included in this week's toolkit updates:
• The ruler now extends to the top and bottom of the screen.
• The ruler's drag handle stays clear of Tools, units and Calibrate in portrait and landscape.
• Added Tape Measure, Ruler, Height, Area, Floor Plan, Room Layout, TV Sizer, Camera Level, Compass & Tilt, and Magnetic Field.
• Scan rooms on LiDAR-equipped iPhones and share USDZ, OBJ, SVG and JSON exports.
• Switch tools quickly and choose the tool that opens on launch.
• Tape measurements have thicker lines, clearer point markers and more helpful tap feedback.
• Monthly, three-month and lifetime Expanded Toolkit options.
Existing Original Tools purchases remain unlocked. The additional toolkit is an optional upgrade.
The developer, Robert Carpenter, 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
- Robert Carpenter
- Size
- 3 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
English and 3 more
- English, French, German, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Expanded Toolkit 3 Months USD 4.99
- Expanded Toolkit Monthly USD 1.99
- Expanded Toolkit Lifetime USD 14.99
- Pro Features USD 3.99
- Copyright
- © 2026 Robert W. Carpenter
