Protractor Smart vs Angle Meter 360
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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 !!!
Angle Meter 360
Measure angles precisely on photos or in real-time using your camera. This user-friendly tool allows for unlimited angle measurements simultaneously, with features like scaling and color adjustment for ease of use.
- Angle measurement on pictures
- Real-time camera angle measurement
- Unlimited simultaneous angle measurements
- Object scaling and moving
- Adjustable tool color
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Easy and user-friendly angle meter. The application allows you to measure angles on the pictures, photos or from the camera in real time. With Angle Meter 360 you are able to permanently measure unlimited number of angles. Due to the addition of new tools or deleting old it is possible to receive and compare information from several angles at once. Scaling, moving the object and the possibility of changing of instrument's color allows you to measure angles easily, fast and accurately. Functions: -angle measurement on the pictures and from the camera - measurement unlimited number of angles simultaneously - the possibility of scaling and moving the object - adjustment of the color of tools for visual convenience. Easy and user-friendly interface allows you to determine the angles very fast and accurately. You only need to place the tool on the contour of the object and you immediately receive the result.
Screenshots
Verdict
The clearest difference is ads: Protractor Smart at none against Angle Meter 360's shown. Angle Meter 360's advantage is review sentiment (67% vs 40%) and update cadence (every 3 months vs every 21 months). On price, rating, ratings volume 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 Smart sells 1 one-off in-app purchase and Angle Meter 360 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Protractor Smart holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 242 and 359 respectively. Written reviews complicate that: 40% of Protractor Smart's written reviews are positive against 67% of Angle Meter 360's, so the app with the better star average is not the one people write more warmly about.
Protractor Smart ships an update every 21 months, Angle Meter 360 every 3 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.
| Parameter | Protractor Smart | Angle Meter 360 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (242 ratings) — better | 4.4 (359 ratings) |
| Positive reviews | 40.4% of reviews | 66.7% of reviews — better |
| Number of ratings | 242 | 359 — better |
| Update frequency | Every 21 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 11 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | ExaMobile S.A. | ALEXEY KOZLOV |
Customer experience
Protractor Smart
Angle Meter 360
Bugs and requests
Protractor Smart
Not enough reviews yet to summarise bugs or requests.
Angle Meter 360
Reported bugs
12 issues- App freezes and becomes unresponsive
- Ads hang and cannot be closed
- Settings reset to defaults upon app restart
- Landscape mode not functioning properly
- App crashes after iOS updates
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- Ads display in different languages making them hard to close
- Saved documents inaccessible
- Ad-free purchase still shows ads
- Camera image differs from captured image
- Difficulty rotating to landscape orientation
- Gray screen display issue
- Ads with misleading content (fake memory alerts)
Requested features
18 requests- Persistent default settings across app sessions
- Decimal degree format option (without results window requirement)
- Level indicator for device alignment
- Crosshairs on measurement points for precision
- Offset cursor to avoid finger blocking the point
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- Ability to move text display to different locations
- Split-screen/multitasking mode support
- Larger loupe magnification window
- Distance measurement capability
- Ability to save and access saved documents
- Front-facing camera support
- Vertical and horizontal alignment guides
- Angle presets (90°, 180°, 270°, 360°)
- Adjustable font size and thickness
- Measurement units in different formats (mills, gon, etc.)
- Ability to input specific angle values directly
- Better video tutorial with adjustable playback speed
- Add notes/names to angle measurements
In-app purchases
Protractor Smart
- AdBlock - Remove ads$1.99
Angle Meter 360
- Remove Ads$4.99
Questions
Is Protractor Smart free?
Is Angle Meter 360 free?
Which has better reviews, Protractor Smart or Angle Meter 360?
Do Protractor Smart or Angle Meter 360 have ads?
Which is updated more often, Protractor Smart or Angle Meter 360?
Other comparisons
