Smart Protractor vs My Screen Protractor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Protractor
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A simple and accurate tool for measuring angles right on your iPhone. With camera support and image import, you can easily overlay a virtual protractor on real-world objects or photos. Zoom, rotate, and pan with intuitive gestures to get the exact view you need. Whether you’re tackling DIY projects, woodworking, or academic tasks, this app helps you find precise angles quickly and easily. Features: - Import and overlay images for easy angle measurement - Multi-touch controls for zoom, rotation, and panning - Clean, user-friendly interface designed for quick use on the go Perfect for anyone who needs reliable and precise angle measurement anytime, anywhere.
My Screen Protractor
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Measure angles on your screen with a simple touch. No physical protractor needed — get precise angle measurements anytime, anywhere. 【Touch-Based Angle Measurement】 Tap to set the vertex point, then draw two lines by dragging. The angle is calculated automatically. Intuitive controls make it easy for anyone to use. 【Real-Time Angle Display】 See the angle update in real time as you draw. A visual arc and label clearly show the measured angle with one decimal place precision. 【Clean Grid Background】 A grid overlay helps you align lines and better visualize angles at a glance. 【Dark Mode Support】 Switch to dark mode for comfortable use in any lighting condition. 【Multi-Language Support】 Available in 10 languages including English, Korean, Japanese, Chinese, and more. Perfect for architecture, interior design, DIY projects, math homework, blueprint reading, and any moment you need to measure an angle.
Screenshots
Verdict
The clearest difference is in-app purchases: My Screen Protractor at none against Smart Protractor's 2. My Screen Protractor also leads on update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 17.2). On price, 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. Smart Protractor sells 1 one-off in-app purchase. My Screen Protractor asks for nothing beyond the download.
Smart Protractor ships an update every 2 weeks, My Screen Protractor weekly. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.
| Parameter | Smart Protractor | My Screen Protractor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Jun Yamabe | mintaek lee |
In-app purchases
Smart Protractor
- Remove Ads2 variants$2.99
My Screen Protractor
No in-app purchases
Questions
Is Smart Protractor free?
Is My Screen Protractor free?
Do Smart Protractor or My Screen Protractor have ads?
Which is updated more often, Smart Protractor or My Screen Protractor?
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