Angulus Pro - Precision Angle

Yonaga

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About this app

Angulus Pro: Clinically Validated Angle Measurement

Digital goniometer trusted by researchers worldwide. Featured in 30+ independent peer-reviewed studies published in leading medical journals including:
• Journal of Medical Internet Research
• Journal of Clinical Orthopaedics and Trauma
• Journal of Neuromuscular Diseases

→ Learn more: https://www.yonaga.app/angulus/research

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Research Validated

• 25+ 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

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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
• Image & Video Analysis: Load from gallery or capture in real-time
• Video Frame Extraction: Measure angles from video frames with precision
• Clinical Documentation: Add annotations directly to measurements
• Organized Management: Store, access, and review all measurements in one place
• Easy Sharing: Export measured images and notes via email for seamless collaboration
• Customizable Interface: Optimize workflow and enhance productivity

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Professional Applications

• Joint range of motion (ROM)
• Hallux valgus and deformity angles
• Fracture assessment
• Postural analysis
• Telehealth assessments
• Radiological measurements

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For Healthcare Professionals
• Clinical reference for specialized measurements
• Progress tracking and monitoring over time
• Share measurements for clinical documentation and conference materials

For Patients and Non-Clinical Users
• Track rehabilitation progress from home
• Share measurements with healthcare providers
• Sports performance and posture analysis

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Privacy Policy:
https://www.yonaga.app/angulus/privacy

Terms of Use (EULA):
https://yonaga.app/angulus/terms

Ratings and reviews

MUST have camera permission or it won't run. I want to measure the angle of an existing image. Useless.

very useful app however, in the older version there was an option for line size (to make it thinner or thicker) this is absent in the new version and I believe it's important option

Doesn't work at all, crashes as soon as I try to open a photo. Shame :/

What’s new

Version 6.0: A Fresh Start!
- Completely rebuilt with a modern framework for a smoother, faster experience
- Unified design matching our iOS version for consistency across platforms
- Cleaner codebase with better stability and faster future updates
- Retired video ads for a better user experience
- Fixed crashes related to photo zoom and post-upgrade settings

Thank you for using Angulus!