Protractor (Angle measurement) vs Protractor Smart
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 Smart
This app acts as a smart instrument for measuring angles using your device's camera. It offers two free modes for measuring angles on screen or using a plumb bob for slopes, with an additional premium mode for polygon measurements.
- Camera-based angle measurement
- Touch measure mode
- Plumb bob measure for slopes
- Polygon measurement (premium)
- Screenshot functionality
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Protractor - smart instrument to measure angles. Turn on the camera mode and measure the angle of buildings, mountains, or any other object around you. This app includes two free measuring modes: - Touch measure - touch the screen to set the angle (use camera view!). - Plumb bob measure - pendulum - use to determine the slope (remember to calibrate the plumb). In each mode, you can switch to camera view and take measurements of all objects around you. Additional Premium mode: Polygon measurement lets you draw any shape on your screen to check all its angles. Turn on the camera to see the real object through your phone and copy its shape. You can also pick a photo from your gallery or take a new picture to draw a shape on the image. In Premium mode, you can change colors, add helper lines, and switch between different angle units. All modes allows you to make a screenshot of anything on the screen. Enjoy !!!
Screenshots
Verdict
The clearest difference is rating: Protractor Smart at 4.6 against Protractor (Angle measurement)'s 3.4. Protractor Smart also leads on ads (none vs shown) and ratings volume (242 vs 5). Protractor (Angle measurement)'s advantage is in-app purchases (none vs 1) and update cadence (every 5 weeks vs every 21 months). On price, device support and iOS requirement 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 Smart sells 1 one-off in-app purchase. Protractor (Angle measurement) asks for nothing beyond the download.
Protractor Smart holds the better App Store score, 4.6 against 3.4. That said, the two scores are not equally well evidenced: Protractor Smart has 242 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 68% of Protractor (Angle measurement)'s written reviews are positive against 40% of Protractor Smart's, so the app with the better star average is not the one people write more warmly about.
Protractor (Angle measurement) ships an update every 5 weeks, Protractor Smart every 21 months. Both last shipped on September 22, 2026.
| Parameter | Protractor (Angle measurement) | Protractor Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (5 ratings) | 4.6 (242 ratings) — better |
| Positive reviews | 68.1% of reviews — better | 40.4% of reviews |
| Number of ratings | 5 | 242 — better |
| Update frequency | Every 5 weeks — better | Every 21 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 7 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | EONSOFT | ExaMobile S.A. |
Customer experience
Protractor (Angle measurement)
Protractor Smart
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 Smart
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Protractor (Angle measurement)
No in-app purchases
Protractor Smart
- AdBlock - Remove ads$1.99
Questions
Is Protractor (Angle measurement) free?
Is Protractor Smart free?
Which has better reviews, Protractor (Angle measurement) or Protractor Smart?
Do Protractor (Angle measurement) or Protractor Smart have ads?
Which is updated more often, Protractor (Angle measurement) or Protractor Smart?
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