Comparison

Angle Meter vs Protractor Edge

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

Head to head
About

Angle Meter

Measure angles and slopes with your phone's camera. Offers real-time angle display, two measurement modes, and the ability to capture and store measurements.

Highlights
  • Real-time angle display
  • Two measurement modes
  • Camera-based angle measurement
  • Measure angles from images
  • Level meter functionality
  • Calibration for accuracy
Features
Read full description

Angle Meter lets you measure the angle or slope. Note that you will be able to measure a variety of slope forms. You can choose to directly measure the surface by the second mode, which makes it relatively easy to measure up,or to measure the angle of the target away a short distance away from you after kilo meter. By measuring the angle from the camera aperture. This is a reference line, respectively, and the angles are measured while the display on your phone continuously. You also can take what you measure by showing the angle to keep a check on it later. Featured: 1) Clean and minimal UI 2) Real time display angle value reference by horizontal axis. 3) 2 mode for using(Horizontal Mode and Vertical Mode ). 4) Support measure angles with the camera mode. 4.1) you can take screen short can be a target for record store at a later time. 5) Support the ability to measure the angle from the image. 6) Graphics Animation display related by mode. 7) Display 0 to 90 degree reference by horizontal axis. 8) Calibrate option for accuracy. 9) Support Level Meter allows you to measure the degree of tilt in the vertical plane and can take many forms. The measurements in each axis is locked to the screen, still more easy to measure. 10) There are various UI language menus to choose from. 11) Supports both dark and light themes.

About

Protractor Edge

Measure angles directly on your device without taking photos or placing the angle on screen. This app offers a unique and efficient way to determine degrees, saving you time with its handy assistant functionality.

Highlights
  • Direct angle measurement on device
  • Intuitive line dragging interface
  • Measures angles in photos (Premium)
  • Measures from camera view (Premium)
  • Ad-free experience (Premium)
Features
Read full description

A simple protractor. Just put your device on the angle you want to measure. Then drag the two lines to align the both sides of the angle. The degrees will be there. It is different from other protractor apps. This is a new way to measure angles. It requires neither taking photo nor putting the angle above the screen. Now start using this handy assistant to measure angles which will save you a lot of time. ------------------------------------- PREMIUM ACCESS SUBSCRIPTION - Measure the world from camera - Measure angles in photos - No Ads - The subscription is $0.99 yearly with trial - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that service, where applicable - Terms of use: https://service.notationpad.com/terms_service.html

Screenshots

Angle Meter4 screens
Protractor Edge2 screens

Verdict

The call

The clearest difference is rating: Protractor Edge at 4.5 against Angle Meter's 3.4. Protractor Edge also leads on review sentiment (70% vs 32%) and iOS requirement (9.0 vs 18.6). Angle Meter's advantage is in-app purchases (none vs 2) and update cadence (every 4 months vs every 43 months). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Protractor Edge sells 2 in-app purchases, starting at $1.99 per year. Angle Meter asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Protractor Edge holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 64 and 55 respectively. Written reviews point the same way: 32% of Angle Meter's written reviews are positive against 70% of Protractor Edge's.

UpkeepUpdate frequency

Angle Meter ships an update every 4 months, Protractor Edge every 43 months. Both last shipped on October 11, 2026.

Scorecard6 real differences · 4 level
Angle Meter versus Protractor Edge: the parameters behind the verdict, then further details
ParameterAngle MeterProtractor Edge
PriceFreeFree
Rating3.4 (64 ratings)4.5 (55 ratings) — better
Positive reviews31.6% of reviews69.6% of reviews — better
Number of ratings64 — better55
Update frequencyEvery 4 months — betterEvery 43 months
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.69.0 — better
Further details — not scored
Size5 MB21 MB
Age rating4+4+
Developernakhon phagdeechat嵩 张

Customer experience

Angle Meter

All ratings64 ratings
Positive60.9%
Neutral1.6%
Negative37.5%
Written reviews38 reviews
Positive31.6%
Neutral0.0%
Negative68.4%

Protractor Edge

All ratings55 ratings
Positive85.5%
Neutral5.5%
Negative9.1%
Written reviews46 reviews
Positive69.6%
Neutral8.7%
Negative21.7%

In-app purchases

None

Angle Meter

No in-app purchases

2 purchases

Protractor Edge

Subscriptions1
  • Premium Access7 Days trial$1.991 Year
One-time1
  • Remove Ads$0.99

Questions

Is Angle Meter free?
Angle Meter is free to download, with no in-app purchases.
Is Protractor Edge free?
Protractor Edge is free to download, with in-app purchases available.
Which has better reviews, Angle Meter or Protractor Edge?
Protractor Edge is rated higher. Angle Meter averages 3.4 out of 5 from 64 ratings, while Protractor Edge averages 4.5 from 55 ratings.
Do Angle Meter or Protractor Edge have ads?
Both Angle Meter and Protractor Edge show ads.
Which is updated more often, Angle Meter or Protractor Edge?
Angle Meter ships an update every 4 months, and Protractor Edge every 43 months. Most recently, Angle Meter was updated on October 11, 2026 and Protractor Edge on October 11, 2026.

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