Protractor+ vs Protractor Edge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Protractor+
Transform your device into a versatile angle measurement tool. Easily measure angles in both degrees and radians with an intuitive interface. Ideal for quick and precise angle readings.
- Angle measurement
- Degrees and radians
- Intuitive visual control
- Elegant design
- Pocket protractor functionality
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Protractor helps you to measure angles quickly and easily. This app turn your iPhone into a handy pocket protractor that can measure angles in both degrees and radians. Features: - Elegant design - Measure in degrees and radians - Intuitive visual control
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/
Screenshots
Verdict
Protractor+ and Protractor Edge both sit at 4.1 stars, but that hides the real split: 67% of Protractor Edge's written reviews are positive against 15% of Protractor+'s. Protractor Edge also leads on iOS requirement (13.0 vs 17.6). Protractor+'s advantage is ads (none vs shown) and ratings volume (10K vs 2). On price, rating, update cadence and in-app purchases 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+ sells 1 one-off in-app purchase and Protractor Edge sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.1 for Protractor+ against 4.0 for Protractor Edge. That said, the two scores are not equally well evidenced: Protractor+ has 10K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 15% of Protractor+'s written reviews are positive against 67% of Protractor Edge's.
Protractor+ ships an update every 2 months, Protractor Edge every 6 weeks. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.
| Parameter | Protractor+ | Protractor Edge |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (10K ratings) — better | 4.0 (2 ratings) |
| Positive reviews | 14.9% of reviews | 66.7% of reviews — better |
| Number of ratings | 10K — better | 2 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 17 MB |
| Age rating | 4+ | +4 |
| Developer | Tue Nguyen Minh | 向阳 杨 |
Customer experience
Protractor+
Protractor Edge
Bugs and requests
Protractor+
Reported bugs
3 issues- Camera feature not working as expected
- Angle measurements not accurate
- Frequent app crashes
Requested features
3 requests- Ability to measure in degrees without upgrade
- Improved accuracy and responsiveness
- Removal of timeouts and paywalls
Protractor Edge
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Protractor+
- Pro Features$1.99
Protractor Edge
- Support for a cup of coffee$1.99
- Ads-free experience$1.99
Questions
Is Protractor+ free?
Is Protractor Edge free?
Which has better reviews, Protractor+ or Protractor Edge?
Do Protractor+ or Protractor Edge have ads?
Which is updated more often, Protractor+ or Protractor Edge?
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