Protractor+ vs Angle Meter 360
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
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 review sentiment: Angle Meter 360 at 67% against Protractor+'s 15%. Angle Meter 360 also leads on rating (4.4 vs 4.1) and iOS requirement (15.6 vs 17.6). Protractor+'s advantage is ads (none vs shown) and ratings volume (10K vs 359). On price, update cadence, in-app purchases and monetization model 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 Angle Meter 360 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Angle Meter 360 holds the better App Store score, 4.4 against 4.1. That said, the two scores are not equally well evidenced: Protractor+ has 10K ratings behind it against 359, so its average is the more settled of the two. Written reviews point the same way: 15% of Protractor+'s written reviews are positive against 67% of Angle Meter 360's.
Protractor+ ships an update every 2 months, Angle Meter 360 every 3 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.
| Parameter | Protractor+ | Angle Meter 360 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (10K ratings) | 4.4 (359 ratings) — better |
| Positive reviews | 14.9% of reviews | 66.7% of reviews — better |
| Number of ratings | 10K — better | 359 |
| Update frequency | Every 2 months — better | Every 3 months |
| 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 | 15.6 — better |
| Further details — not scored | ||
| Size | 21 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | Tue Nguyen Minh | ALEXEY KOZLOV |
Customer experience
Protractor+
Angle Meter 360
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
Angle Meter 360
From 359 App Store ratingsWhat we love
- 👍 Simple and intuitive user interface
- 🎯 Accurate angle measurements
- 📸 Easy to use with photos and live camera
- ⚡ Fast and responsive performance
- 🆓 Free version available with basic functionality
Room to improve
- 📺 Excessive and intrusive advertisements
- ⏱️ Long, unskippable ad durations
- 🚫 Ads that are difficult or impossible to close
- 💳 Aggressive push to premium/paid version
- ⚙️ Settings don't persist after app closure
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
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+
- Pro Features$1.99
Angle Meter 360
- Remove Ads$4.99
Questions
Is Protractor+ free?
Is Angle Meter 360 free?
Which has better reviews, Protractor+ or Angle Meter 360?
Do Protractor+ or Angle Meter 360 have ads?
Which is updated more often, Protractor+ or Angle Meter 360?
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