Comparison

Protractor for Angle Measuring vs Angulus Pro

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

Head to head
About

Protractor for Angle Measuring

Transform your iPhone into a precision angle measuring tool. Easily measure angles in real-time using touch or camera modes, and even analyze angles in existing photos. Customize your tools for a seamless experience.

Highlights
  • Real-time angle measurement
  • Touch and camera modes
  • Measure angles in photos
  • Simultaneous unlimited angle measurement
  • Tool color customization
  • Plumb bob pendulum for tilt
Features
Read full description

Your pocket angle expert! Transform your iPhone into a precision tool for real-time angle measurement. Simply tap, snap, and assess angles effortlessly with our intuitive touch and camera modes. Measure unlimited angles simultaneously, customize tools, and enjoy the perfect blend of accuracy and simplicity. Ideal for architects or anyone seeking quick, reliable measurements. Embrace the power of Protractor for fast, on-the-go angle assessments! Key Features: • Touch Measure: Tap the screen to set angles (use the camera view). • Plumb Bob Pendulum: Perfect for determining tilt (calibrate for accuracy). • Angle Measurement in Photos and from Camera. • Simultaneous Measurement of Unlimited Angles. • Tool Color Customization for Visual Convenience. Privacy Policy: https://appliks.com/privacy-policy ​​Terms of Use: https://appliks.com/terms-of-use

About

Angulus Pro

This app provides professional-grade angle measurements for clinical and personal use. It offers high precision, multiple measurement modes, and AI-powered camera assistance for accurate assessments and progress tracking.

Highlights
  • Precision to 0.01°
  • Four Measurement Modes
  • AI-Powered Camera Overlay
  • Real-Time Analysis
  • Clinical Documentation & Export
  • Progress Tracking
Features
Read full description

Angulus Pro: Clinically Validated Angle Measurement Trusted by researchers worldwide with 40+ peer-reviewed publications. Angulus Pro delivers professional-grade angle measurements validated in leading medical journals: • Journal of Medical Internet Research • Journal of Clinical Orthopaedics and Trauma • Journal of Neuromuscular Diseases → Learn more: https://www.yonaga.app/angulus/research Research Validated • 40 published studies using Angulus (2021-2026) • 3,000+ patients assessed by researchers • Validated against gold-standard goniometry • Applied in orthopedics, rehabilitation, neurology, and sports medicine Key Features • Precision to 0.01°: Professional accuracy for clinical assessments • Four Measurement Modes: V, W, X, and N modes for ROM, fractures, and specialized angles • AI-Powered Camera: Overlay technology for precise alignment • Real-Time Analysis: Instant measurements from camera or photo library • Clinical Documentation: Add annotations and export reports • Progress Tracking: Monitor improvement over time Professional Applications • Joint range of motion (ROM) • Hallux valgus and deformity angles • Fracture assessment • Postural analysis • Telehealth assessments For Patients and Non-Clinical Users • Track rehabilitation progress • Share measurements with providers • Sports performance analysis Privacy Policy: https://www.yonaga.app/angulus/privacy Terms of Use (EULA): Yonaga - https://yonaga.app/angulus/terms Apple - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Protractor for Angle Measuring4 screens
Angulus Pro4 screens

Verdict

The call

The clearest difference is ads: Angulus Pro at none against Protractor for Angle Measuring's shown. Protractor for Angle Measuring's advantage is ratings volume (1K vs 26). On price, rating, update cadence and in-app purchases 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 for Angle Measuring sells 5 in-app purchases, starting at $0.99 per 7 days and Angulus Pro sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Protractor for Angle Measuring against 4.6 for Angulus Pro. That said, the two scores are not equally well evidenced: Protractor for Angle Measuring has 1K ratings behind it against 26, so its average is the more settled of the two.

UpkeepUpdate frequency

Protractor for Angle Measuring ships an update every 2 weeks, Angulus Pro fortnightly. The most recent releases landed on September 30, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
Protractor for Angle Measuring versus Angulus Pro: the parameters behind the verdict, then further details
ParameterProtractor for Angle MeasuringAngulus Pro
PriceFreeFree
Rating4.5 (1K ratings)4.6 (26 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings1K — better26
Update frequencyEvery 2 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17.6
Further details — not scored
Size112 MB134 MB
Age rating4+4+
DeveloperAppLiks Sp. z O.O.Yonaga

Customer experience

Protractor for Angle Measuring

All ratings1,023 ratings
Positive88.5%
Neutral4.6%
Negative6.9%
Written reviews76 reviews
Positive50.0%
Neutral5.3%
Negative44.7%

Angulus Pro

All ratings26 ratings
Positive88.5%
Neutral3.8%
Negative7.7%

Bugs and requests

Protractor for Angle Measuring

Reported bugs

2 issues
  • Protractor tool is hard to use and requires multiple tries
  • Angle measurements do not match real-world angles

Requested features

3 requests
  • Add more instructions and guidance for using the protractor tool
  • Improve the zoom functionality when measuring angles in photos
  • Enhance the accuracy of angle measurements

Angulus Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Protractor for Angle Measuring

Subscriptions5
  • Weekly Access$0.997 Days
  • Weekly Access with Trial3 Days trial$1.997 Days
  • Weekly Access$1.997 Days
Show 2 more
  • Yearly Access$3.991 Year
  • Yearly Access$4.991 Year
3 purchases

Angulus Pro

Subscriptions2
  • Angulus Pro Monthly7 Days trial$2.991 Month
  • Angulus Pro Annually$29.991 Year
One-time1
  • Angulus Pro Lifetime$49.99

Questions

Is Protractor for Angle Measuring free?
Protractor for Angle Measuring is free to download, with in-app purchases available.
Is Angulus Pro free?
Angulus Pro is free to download, with in-app purchases available.
Which has better reviews, Protractor for Angle Measuring or Angulus Pro?
Angulus Pro is rated higher. Protractor for Angle Measuring averages 4.5 out of 5 from 1K ratings, while Angulus Pro averages 4.6 from 26 ratings.
Do Protractor for Angle Measuring or Angulus Pro have ads?
Protractor for Angle Measuring shows ads; Angulus Pro does not.
Which is updated more often, Protractor for Angle Measuring or Angulus Pro?
Protractor for Angle Measuring ships an update every 2 weeks, and Angulus Pro fortnightly. Most recently, Protractor for Angle Measuring was updated on September 30, 2026 and Angulus Pro on September 22, 2026.

Other comparisons