Angulus Pro - Precision Angle 4+
Measure angles, professionally
Yonaga
Designed for iPad
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- Free
- Offers In-App Purchases
Screenshots
Description
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/
What’s New
Version 2.0.4
[Version 2.0.4] Added ability to measure multiple angles on the same image and fixed UI freeze when saving measurements.
Ratings and Reviews
App Privacy
The developer, Yonaga, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Privacy practices may vary based on, for example, the features you use or your age. Learn More
Information
- Seller
- Yonaga LLC
- Size
- 102.1 MB
- Category
- Utilities
- Compatibility
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- iPhone
- Requires iOS 17.6 or later.
- iPad
- Requires iPadOS 17.6 or later.
- Mac
- Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
- Languages
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English, Arabic, French, Hindi, Indonesian, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish
- Age Rating
- Learn More
- Copyright
- © 2025 Yonaga LLC
- Price
- Free
- In-App Purchases
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- Angulus Pro Annually USD 19.99
- Angulus Pro Monthly USD 1.99
Supports
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Family Sharing
Some in‑app purchases, including subscriptions, may be shareable with your family group when Family Sharing is enabled.