Comparison

Protractor vs Protractor Measuring Angle

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

Head to head
About

Protractor

Features
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PAID ACCESS REQUIRED Protractor is a paid app. A weekly or yearly auto-renewable subscription, or a one-time lifetime purchase, is required to use every feature after onboarding. There is no free version and no free trial. Measure any angle without a physical protractor. Drag two arms across the screen, aim the camera at a real object, or rest your phone on a slope and read the tilt live. Most angle apps give you one trick. Protractor gives you three measuring surfaces in one app — an on-screen protractor for photos and drawings, a see-through camera overlay for real objects, and a motion-sensor inclinometer for surfaces you can put your phone on. Every reading comes out in degrees, radians or percent grade, and roof work gets the rise-in-12 pitch on the same screen. WHAT YOU GET - Read the exact degree of any corner on a photo or drawing by dragging two arms and the vertex onto it - Point the camera at a wall, ramp, roof edge or shelf and measure the angle right on the live view - Turn your phone into a digital level that shows pitch, roll, percent grade and roof pitch as rise:12 at once - Lock a reading with Hold or Freeze so the number stays put while you climb down or move the phone - Keep every measurement in History with a photo thumbnail, plus your saved count, average and widest angle - Switch between degrees, radians and grade in one tap, with a built-in conversion table for common values PERFECT FOR - DIY and home projects: shelves, picture rails, ramps, furniture - Roofing, decking and construction: slope, grade and pitch checks - Woodworking and metalwork: bevels, miters and corner angles - Students and teachers measuring angles on diagrams and photos WHY NOT JUST USE A PLASTIC PROTRACTOR A plastic protractor only works on paper, only reads what fits inside its arc, and is never in your pocket when the roof needs checking. This one measures on a photo, through the camera, or straight off a surface — and it remembers every reading instead of you writing them on a scrap of wood. PRIVACY Everything is measured and stored on your device. No account, no sign-up, no cloud upload of your photos or readings. The camera feed is used only to draw the protractor on top of it, and the app works with no internet connection. FULL ACCESS Full access unlocks the camera protractor, the live inclinometer, saved measurement history and all angle units. It is offered as a weekly subscription, a yearly subscription, or a one-time lifetime purchase. Your exact plan and price are shown before you confirm, and subscriptions renew until cancelled in your App Store settings. Open Protractor, point it at the next angle you need, and get the number in seconds. Terms of Use (EULA): https://web-levi.web.app/terms Privacy Policy: https://web-levi.web.app/privacy-policy Questions? Email tphuc.work@gmail.com

About

Protractor Measuring Angle

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Protractor Measuring Angle turns your iPhone into a precise digital toolbox — measure any angle, slope, or distance in seconds. 8 TOOLS IN ONE APP ā–ø Inclinometer Real-time tilt measurement using your device sensors. Edge mode reads walls and frames; Flat mode works face-up on surfaces. Tap Calibrate to zero any offset. Freeze the reading with one tap. ā–ø Screen Protractor Drag two arms to any angle and read the value instantly. Perfect for blueprints, technical drawings, and any image that needs an exact angle. ā–ø Camera Level Live camera with a horizon overlay line. Freeze the frame to capture and save the reading. ā–ø Photo Angle Measure angles directly on photos from your library using the same drag-and-lock protractor. ā–ø Height Calculator Point at the top of a tree, building, or mast. Enter the distance to its base and your eye height — the app computes the exact height using trigonometry. ā–ø AR Measure Drop points in augmented reality to measure real-world distances and the angle between any three points in 3D space. ā–ø On-Screen Ruler A calibrated ruler in centimeters or inches. Run calibration once and it stays precise on your device. ā–ø Compass Digital compass with cardinal and intercardinal directions. FLEXIBLE UNITS Switch between degrees, radians, percent slope, and roof pitch (X:12) for angles. Length reads in cm, in, m, or ft. MEASUREMENT HISTORY Every saved reading is logged with a thumbnail, timestamp, and optional note. Review, edit, or share any past measurement. Works offline. No account needed. Privacy Policy - https://msrtech.net/apps/protractor-measuring/privacy.html Terms - https://msrtech.net/apps/protractor-measuring/terms.html EULA - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Protractor4 screens
Protractor Measuring Angle4 screens

Verdict

The call

The clearest difference is in-app purchases: Protractor Measuring Angle at none against Protractor's 3. Protractor Measuring Angle also leads on update cadence (every 2 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Protractor sells 3 in-app purchases, starting at $4.99 per 7 days. Protractor Measuring Angle asks for nothing beyond the download.

UpkeepUpdate frequency

Protractor ships an update every 6 weeks, Protractor Measuring Angle every 2 days. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Protractor versus Protractor Measuring Angle: the parameters behind the verdict, then further details
ParameterProtractorProtractor Measuring Angle
PriceFreeFree
Update frequencyEvery 6 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details — not scored
Size5 MB16 MB
Age rating4+4+
DeveloperPhuc PhamMSR TECH LLP

In-app purchases

3 purchases

Protractor

Subscriptions2
  • Incline Gauge Weekly$4.997 Days
  • Roof Pitch Yearly$24.991 Year
One-time1
  • Bevel & Degree, Pay Once$49.99
None

Protractor Measuring Angle

No in-app purchases

Questions

Is Protractor free?
Protractor is free to download, with in-app purchases available.
Is Protractor Measuring Angle free?
Protractor Measuring Angle is free to download, with no in-app purchases.
Do Protractor or Protractor Measuring Angle have ads?
Neither Protractor nor Protractor Measuring Angle shows ads.
Which is updated more often, Protractor or Protractor Measuring Angle?
Protractor ships an update every 6 weeks, and Protractor Measuring Angle every 2 days. Most recently, Protractor was updated on September 24, 2026 and Protractor Measuring Angle on September 19, 2026.

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