Protractor+ vs Protractor (Angle measurement)
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 (Angle measurement)
Measure angles of objects using your device's camera. This utility app acts as a digital protractor, allowing you to accurately determine angles in real-world scenarios. Perfect for when a physical protractor is unavailable.
- Camera-based angle measurement
- Digital protractor functionality
- Measure angles of objects
- Real-world angle determination
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You are there when you need a protractor? Here is the absence of a protractor, try using a protractor app. You can measure the angle of the object is reflected in the camera protractor. Try using a protractor protractor various apps, app.
Screenshots
Verdict
The clearest difference is review sentiment: Protractor (Angle measurement) at 68% against Protractor+'s 15%. Protractor (Angle measurement) also leads on in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.6). Protractor+'s advantage is rating (4.1 vs 3.4) and ads (none vs shown). On price, update cadence and device support 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. Protractor (Angle measurement) asks for nothing beyond the download.
Protractor+ holds the better App Store score, 4.1 against 3.4. That said, the two scores are not equally well evidenced: Protractor+ has 10K ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 15% of Protractor+'s written reviews are positive against 68% of Protractor (Angle measurement)'s, so the app with the better star average is not the one people write more warmly about.
Protractor+ ships an update every 2 months, Protractor (Angle measurement) every 5 weeks. Both last shipped on September 22, 2026.
| Parameter | Protractor+ | Protractor (Angle measurement) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (10K ratings) — better | 3.4 (5 ratings) |
| Positive reviews | 14.9% of reviews | 68.1% of reviews — better |
| Number of ratings | 10K — better | 5 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Tue Nguyen Minh | EONSOFT |
Customer experience
Protractor+
Protractor (Angle measurement)
User reviews
Protractor+
From 10K App Store ratingsWhat we love
- 🚀 Quick angle measurement
- 👍 Useful for physics labs
- 👍 Easy to use
Room to improve
- 🔒 Degrees feature locked behind paywall
- 🐛 Unreliable camera feature
- 🔋 Frequent timeouts force upgrade
- 💰 Aggressive monetization tactics
Protractor (Angle measurement)
From 5 App Store ratingsWhat we love
- 👍 Free and functional
- 👍 Accurate measurements
- 👍 Useful for homework
- 👍 Handy when needed
- 👍 Better than others
Room to improve
- 👎 Hard to hold steady
- 👎 Camera is blurry
- 👎 Ads can be intrusive
- 👎 Difficult to use on paper
- 👎 Time limit on free version
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 (Angle measurement)
Reported bugs
8 issues- Camera is always blurry
- Ads cover buttons
- App is a ghost app, cannot open
- Time limit makes it unusable
- Measures only in radians (free)
Show 3 moreShow fewer
- Protractor over camera view, no needle/indication
- App is difficult to use
- Hard to hold still without tripod
Requested features
10 requests- Ability to freeze image
- Ability to use photos for measurement
- Upload a still image and overlay protractor
- Improve accuracy with shaky hands
- Add option to take a picture and measure
Show 5 moreShow fewer
- Stabilize the camera
- Make numbers easier to read
- Remove time limit on free version
- Allow measurement in degrees for free
- Delete purchase history
In-app purchases
Protractor+
- Pro Features$1.99
Protractor (Angle measurement)
No in-app purchases
Questions
Is Protractor+ free?
Is Protractor (Angle measurement) free?
Which has better reviews, Protractor+ or Protractor (Angle measurement)?
Do Protractor+ or Protractor (Angle measurement) have ads?
Which is updated more often, Protractor+ or Protractor (Angle measurement)?
Other comparisons
