Protractor Edge vs Protractor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Protractor Edge
This utility app functions as a precise digital protractor for measuring angles on your device. It offers a smart instrument for accurate angle measurement, supporting iPhone and iPad. The app is free to download and use.
- Precise angle measurement
- Smart instrument
- Digital protractor
- Supports iPhone and iPad
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Protractor - smart instrument to measure angles. Support: https://k1er.github.io/
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.
- Angle measurement with adjustable lines
- Camera integration for real-world measurements
- Freeze function for static measurements
- Clean and modern user interface
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: Protractor at none against Protractor Edge's 2. Protractor also leads on update cadence (every 9 days vs every 6 weeks) and ratings volume (14 vs 2). Protractor Edge's advantage is iOS requirement (13.0 vs 16.6). On price, rating, review sentiment and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Protractor Edge sells 2 one-off in-app purchases. Protractor asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.0 for Protractor Edge against 3.9 for Protractor. That said, the two scores are not equally well evidenced: Protractor has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 67% of Protractor Edge's written reviews are positive against 60% of Protractor's.
Protractor Edge ships an update every 6 weeks, Protractor every 9 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.
| Parameter | Protractor Edge | Protractor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | 3.9 (14 ratings) |
| Positive reviews | 66.7% of reviews — better | 60.0% of reviews |
| Number of ratings | 2 | 14 — better |
| Update frequency | Every 6 weeks | Every 9 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 17 MB | 33 MB |
| Age rating | +4 | 4+ |
| Developer | 向阳 杨 | Jens Rieckhof |
Customer experience
Protractor Edge
Protractor
In-app purchases
Protractor Edge
- Support for a cup of coffee$1.99
- Ads-free experience$1.99
Protractor
No in-app purchases
Questions
Is Protractor Edge free?
Is Protractor free?
Which has better reviews, Protractor Edge or Protractor?
Do Protractor Edge or Protractor have ads?
Which is updated more often, Protractor Edge or Protractor?
Other comparisons
