Protractor (Angle measurement) vs Protractor Edge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Protractor Edge
Measure angles directly on your device without taking photos or placing the angle on screen. This app offers a unique and efficient way to determine degrees, saving you time with its handy assistant functionality.
- Direct angle measurement on device
- Intuitive line dragging interface
- Measures angles in photos (Premium)
- Measures from camera view (Premium)
- Ad-free experience (Premium)
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A simple protractor. Just put your device on the angle you want to measure. Then drag the two lines to align the both sides of the angle. The degrees will be there. It is different from other protractor apps. This is a new way to measure angles. It requires neither taking photo nor putting the angle above the screen. Now start using this handy assistant to measure angles which will save you a lot of time. ------------------------------------- PREMIUM ACCESS SUBSCRIPTION - Measure the world from camera - Measure angles in photos - No Ads - The subscription is $0.99 yearly with trial - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that service, where applicable - Terms of use: https://service.notationpad.com/terms_service.html
Screenshots
Verdict
The clearest difference is rating: Protractor Edge at 4.5 against Protractor (Angle measurement)'s 3.4. Protractor Edge also leads on ratings volume (55 vs 5) and iOS requirement (9.0 vs 13.0). Protractor (Angle measurement)'s advantage is in-app purchases (none vs 2) and update cadence (every 5 weeks vs every 43 months). On price, review sentiment, ads 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 Edge sells 2 in-app purchases, starting at $1.99 per year. Protractor (Angle measurement) asks for nothing beyond the download.
Protractor Edge holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Protractor Edge has 55 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 68% of Protractor (Angle measurement)'s written reviews are positive against 70% of Protractor Edge's.
Protractor (Angle measurement) ships an update every 5 weeks, Protractor Edge every 43 months. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.
| Parameter | Protractor (Angle measurement) | Protractor Edge |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (5 ratings) | 4.5 (55 ratings) — better |
| Positive reviews | 68.1% of reviews | 69.6% of reviews — better |
| Number of ratings | 5 | 55 — better |
| Update frequency | Every 5 weeks — better | Every 43 months |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | EONSOFT | 嵩 张 |
Customer experience
Protractor (Angle measurement)
Protractor Edge
Bugs and requests
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)
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- 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
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- Stabilize the camera
- Make numbers easier to read
- Remove time limit on free version
- Allow measurement in degrees for free
- Delete purchase history
Protractor Edge
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Protractor (Angle measurement)
No in-app purchases
Protractor Edge
- Premium Access7 Days trial$1.991 Year
- Remove Ads$0.99
Questions
Is Protractor (Angle measurement) free?
Is Protractor Edge free?
Which has better reviews, Protractor (Angle measurement) or Protractor Edge?
Do Protractor (Angle measurement) or Protractor Edge have ads?
Which is updated more often, Protractor (Angle measurement) or Protractor Edge?
Other comparisons
