Comparison

Goniometry App 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

Goniometry App

Features
Read full description

Goniometry App is a usable application for all mobile devices. It uses the built-in gyroscope + magnetometer device. It is a simple tool with goniometry that allows doctors to prescribe rehabilitation exercises and patients to perform them themselves and monitor recovery. Have clear instructions for your exercises. See your rehab progress between appointments. Rest assured that they are not overextending, risking further injury. Able to use in any comfortable position (lying down, sitting, standing) Use it on any modern smartphone. Enter the details of the exercise: articulation, direction of movement, and instructions. Set exercise target range. Free application does not require any registration, easy and simple to 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

Goniometry App3 screens
Angulus Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Goniometry App at none against Angulus Pro's 3. Goniometry App also leads on update cadence (daily vs fortnightly) and iOS requirement (13.0 vs 17.6). Angulus Pro's advantage is ads (none vs shown). On price 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. Angulus Pro sells 3 in-app purchases, starting at $2.99 per month. Goniometry App asks for nothing beyond the download.

UpkeepUpdate frequency

Goniometry App ships an update daily, Angulus Pro fortnightly. The most recent releases landed on September 11, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 5 level
Goniometry App versus Angulus Pro: the parameters behind the verdict, then further details
ParameterGoniometry AppAngulus Pro
PriceFreeFree
Rating—4.6 (26 ratings) — better
Number of ratings—26 — better
Update frequencyDaily — betterFortnightly
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size11 MB134 MB
Age rating12+4+
DeveloperDioneibys Blanco GrudasYonaga

In-app purchases

None

Goniometry App

No in-app purchases

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 Goniometry App free?
Goniometry App is free to download, with no in-app purchases.
Is Angulus Pro free?
Angulus Pro is free to download, with in-app purchases available.
Do Goniometry App or Angulus Pro have ads?
Goniometry App shows ads; Angulus Pro does not.
Which is updated more often, Goniometry App or Angulus Pro?
Goniometry App ships an update daily, and Angulus Pro fortnightly. Most recently, Goniometry App was updated on September 11, 2026 and Angulus Pro on September 22, 2026.

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