Comparison

Protractor vs Angle Protractor Finder Tool

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Protractor

Measure angles precisely using your phone's screen or camera. This intuitive tool allows you to adjust measurement lines and instantly see the angular difference. Ideal for professionals and hobbyists needing quick, accurate angle calculations.

Highlights
  • Angle measurement with adjustable lines
  • Camera integration for real-world measurements
  • Freeze function for static measurements
  • Clean and modern user interface
Features
Read full description

Screen Protractor is the precise, easy-to-use angle measurement tool that turns your iPhone into a digital protractor. Move two measurement lines anywhere on screen and instantly read the exact angle between them — down to the degree. MEASURE ANGLES ON ANY SURFACE Enable the built-in camera to use your live feed as a background. Hold your phone up to any object, surface, or corner and measure angles in real time without printing anything out or carrying a physical protractor. FREEZE & MEASURE Pause the camera image with the freeze function and take your time getting a precise angle reading on a still frame — perfect for moving objects or awkward angles. KEY FEATURES • Precision angle measurement between two draggable lines • Live camera background for measuring real-world angles • Freeze frame for accurate measurements on still images • Pan and zoom the measurement scale for fine-tuned readings • Clean, distraction-free interface PERFECT FOR Carpenters, builders, engineers, architects, designers, students, and anyone who needs a quick angle, slope, or degree measurement on the go. No registration. No ads. Just a reliable digital protractor in your pocket.

About

Angle Protractor Finder Tool

Features
Read full description

Transform your iPhone into a professional-grade protractor with precision angle measurement capabilities. Protractor is a cutting-edge angle measurement application that leverages your device's advanced motion sensors to deliver laboratory-grade accuracy. Whether you're a professional engineer, architect, educator, or DIY enthusiast, this app provides the precision tools you need for any angle measurement task. Key Features: High-Precision Measurement • Multi-axis measurement system (Roll, Pitch, Yaw) • Real-time angle detection with 0.1-second update rate • Adjustable precision from 0–3 decimal places • Full 360° measurement range with smart normalization Smart Calibration System • Automatic calibration with stability detection • Manual calibration with reference angle input • Multi-point calibration for enhanced accuracy • Environmental adaptation for temperature and magnetic field changes Professional Tools • Visual protractor with traditional design • Compass mode for professional applications • Preset angle markers (0°, 15°, 30°, 45°, 60°, 90°, etc.) • Advanced angle calculator with trigonometric functions Data Management • Session-based measurement recording • Project organization and management • Export data in JSON and CSV formats • System-wide sharing capabilities Rich Feedback System • Multi-sensory feedback (sound, haptic, visual) • Customizable preset angle notifications • Professional angle classification (acute, right, obtuse, etc.) • Real-time device orientation display Advanced Analytics • Statistical analysis (average, min, max, standard deviation) • Time-based trend analysis • Data visualization with charts and graphs • Multi-session comparison tools Perfect for: • Engineers and architects for precise measurements • Educators for teaching geometry and trigonometry • Students for mathematics and physics studies • DIY enthusiasts for home improvement projects • Professionals requiring accurate angle verification Technical Excellence • Built with SwiftUI for modern iOS experience • CoreMotion integration for sensor accuracy • Optimized for battery efficiency • Universal device compatibility • Accessibility features included Download Protractor today and experience the future of angle measurement on your iPhone!

Screenshots

Protractor4 screens
Angle Protractor Finder Tool4 screens

Verdict

The call

Protractor and Angle Protractor Finder Tool are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Protractor versus Angle Protractor Finder Tool: the parameters behind the verdict, then further details
ParameterProtractorAngle Protractor Finder Tool
PriceFreeFree
Rating3.9 (14 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings14 — better—
Update frequencyEvery 9 days—
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.616.6
Further details — not scored
Size33 MB3 MB
Age rating4+17+
DeveloperJens Rieckhof广州艾拉网络技术有限公司

In-app purchases

None

Protractor

No in-app purchases

None

Angle Protractor Finder Tool

No in-app purchases

Questions

Is Protractor free?
Protractor is free to download, with no in-app purchases.
Is Angle Protractor Finder Tool free?
Angle Protractor Finder Tool is free to download, with no in-app purchases.
Do Protractor or Angle Protractor Finder Tool have ads?
Both Protractor and Angle Protractor Finder Tool show ads.

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