Comparison

Protractor vs My Screen Protractor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Protractor

Measure angles precisely using your phone's screen or camera. This intuitive tool allows you to adjust measurement lines and instantly see the angular difference. Ideal for professionals and hobbyists needing quick, accurate angle calculations.

Highlights
  • Angle measurement with adjustable lines
  • Camera integration for real-world measurements
  • Freeze function for static measurements
  • Clean and modern user interface
Features
Read full description

Screen Protractor is the precise, easy-to-use angle measurement tool that turns your iPhone into a digital protractor. Move two measurement lines anywhere on screen and instantly read the exact angle between them — down to the degree. MEASURE ANGLES ON ANY SURFACE Enable the built-in camera to use your live feed as a background. Hold your phone up to any object, surface, or corner and measure angles in real time without printing anything out or carrying a physical protractor. FREEZE & MEASURE Pause the camera image with the freeze function and take your time getting a precise angle reading on a still frame — perfect for moving objects or awkward angles. KEY FEATURES • Precision angle measurement between two draggable lines • Live camera background for measuring real-world angles • Freeze frame for accurate measurements on still images • Pan and zoom the measurement scale for fine-tuned readings • Clean, distraction-free interface PERFECT FOR Carpenters, builders, engineers, architects, designers, students, and anyone who needs a quick angle, slope, or degree measurement on the go. No registration. No ads. Just a reliable digital protractor in your pocket.

About

My Screen Protractor

Features
Read full description

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

Protractor4 screens
My Screen Protractor3 screens

Verdict

The call

The clearest difference is ads: My Screen Protractor at none against Protractor's shown. My Screen Protractor also leads on iOS requirement (13.0 vs 16.6). On price, update cadence, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Protractor ships an update every 9 days, My Screen Protractor weekly. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
Protractor versus My Screen Protractor: the parameters behind the verdict, then further details
ParameterProtractorMy Screen Protractor
PriceFreeFree
Rating3.9 (14 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings14 — better—
Update frequencyEvery 9 daysWeekly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size33 MB21 MB
Age rating4+4+
DeveloperJens Rieckhofmintaek lee

In-app purchases

None

Protractor

No in-app purchases

None

My Screen Protractor

No in-app purchases

Questions

Is Protractor free?
Protractor is free to download, with no in-app purchases.
Is My Screen Protractor free?
My Screen Protractor is free to download, with no in-app purchases.
Do Protractor or My Screen Protractor have ads?
Protractor shows ads; My Screen Protractor does not.
Which is updated more often, Protractor or My Screen Protractor?
Protractor ships an update every 9 days, and My Screen Protractor weekly. Most recently, Protractor was updated on September 21, 2026 and My Screen Protractor on September 10, 2026.

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