# Angulus Pro - Precision Angle — Measure angles, professionally

> Clinically validated app for precise angle measurement using AI camera technology. (iPhone/iPad app by Yonaga.)

- Source: https://appshunter.io/ios/app/angulus-pro-precision-angle/id6736951943 (this page in markdown: same URL + `.md`)
- Developer: [Yonaga](https://appshunter.io/developer/1774024485)
- Category: Utilities, Medical
- Price: Free with in-app purchases
- Rating: 4.60/5 from 25 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 115 MB
- Languages: American English, Arabic, French (France), German (Germany), Hindi, Indonesian, Italian, Japanese, Korean, Brazilian Portuguese and 3 more
- Released: 2024-11-15
- Data updated: 2026-09-07
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/angulus-pro-precision-angle/id6736951943/reviews.md

## What is Angulus Pro?

Angulus Pro: Clinically Validated Angle Measurement

Trusted by researchers worldwide with 30+ 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
• 30 published studies using Angulus (2021-2025)
• 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/

## Key features

- Precision to 0.01°
- Four Measurement Modes
- AI-Powered Camera Overlay
- Real-Time Analysis
- Clinical Documentation & Export
- Progress Tracking

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Angulus Pro Monthly | $2.99 | per month |
| Angulus Pro Annually | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Angulus Pro Lifetime | $49.99 | one-time |



## Frequently asked questions about Angulus Pro

### What is Angulus Pro used for?

Angulus Pro is used for professional-grade angle measurements, including joint range of motion, fracture assessment, and postural analysis. It is clinically validated and trusted by researchers worldwide for its precision.

### How accurate is Angulus Pro?

Angulus Pro offers professional accuracy to 0.01°, validated against gold-standard goniometry. This precision makes it suitable for clinical assessments in orthopedics, rehabilitation, and neurology.

### Does Angulus Pro have ads?

No, Angulus Pro does not contain advertisements. The app is free to download and use, with optional in-app purchases for advanced features or subscriptions.

### What measurement modes does Angulus Pro offer?

Angulus Pro provides four distinct measurement modes: V, W, X, and N. These modes are designed to accommodate various measurement needs, including range of motion, fracture assessments, and specialized angles.

### Can I track progress with Angulus Pro?

Yes, Angulus Pro includes a progress tracking feature that allows users to monitor improvement over time. This is particularly useful for rehabilitation and sports performance analysis.

### What devices support Angulus Pro?

Angulus Pro is available for iPhone and iPad devices. Its user interface is designed to leverage the capabilities of these platforms for optimal performance.

### What are the subscription options for Angulus Pro?

Angulus Pro offers monthly and annual subscription plans. The monthly plan costs $2.99 and includes a 7-day free trial, while the annual plan is $29.99.

### How often is Angulus Pro updated?

The latest version of Angulus Pro is 2.1.0, last updated on February 15, 2026. Updates typically include new features, bug fixes, and performance improvements to enhance user experience.

## Version history (last 5 releases)

### 2.1.0 — 2026-02-15

[Version 2.1.0]
• Added German and Traditional Chinese language support
• Color themes for measurement markers
• Redesigned settings dashboard
• In-app notifications
• Improved marker visibility

### 2.0.5 — 2025-11-26

[Version 2.0.5] Updated libraries for better performance and stability.

### 2.0.4 — 2025-10-15

[Version 2.0.4] Added ability to measure multiple angles on the same image and fixed UI freeze when saving measurements.

### 2.0.3 — 2025-09-17

[Version 2.03] Fixed sharing functionality crash on iPad devices and improved popover positioning for better user experience.

### 2.0.2 — 2025-09-10

[Version 2.02] Enhanced stability with improved crash reporting for better app reliability.

## Apps similar to Angulus Pro

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Protractor Angle Measure Tool](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087) | 4.5 (158) | Free | Utilities |
| [Protractor Angle Finder Pro](https://appshunter.io/ios/app/protractor-angle-finder-pro/id6736649979) | 1.0 (1) | Free | Utilities |
| [Goniometry App](https://appshunter.io/ios/app/goniometry-app/id1670735041) | — | Free | Utilities |
| [Handy Angle](https://appshunter.io/ios/app/handy-angle/id1518498438) | 5.0 (2) | Free | Utilities |
| [Angle Meter 360](https://appshunter.io/ios/app/angle-meter-360/id1393860479) | 4.4 (359) | Free | Utilities |
| [Digital Angle Finder: 3D Meter](https://appshunter.io/ios/app/digital-angle-finder-3d-meter/id1081939665) | 4.1 (233) | Free | Utilities |

## More apps by Yonaga

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- [Withmodo - Focus Together](https://appshunter.io/ios/app/withmodo-focus-together/id6748237494)
- [Ekytoyo - Safety Check-In](https://appshunter.io/ios/app/ekytoyo-safety-check-in/id6757724460)

All apps by Yonaga: https://appshunter.io/developer/1774024485

## Related topics

[angulus](https://appshunter.io/ios/topics/angulus) · [angulus pro](https://appshunter.io/ios/topics/angulus-pro) · [precision pro](https://appshunter.io/ios/topics/precision-pro) · [joint angle measurement](https://appshunter.io/ios/topics/joint-angle-measurement) · [goniometer pro](https://appshunter.io/ios/topics/goniometer-pro)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-07.*