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
• 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
━━━━━━━━━━━━━━━━━━━━━━━━━ 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
━━━━━━━━━━━━━━━━━━━━━━━━━ Professional Applications
• Joint range of motion (ROM) • Hallux valgus and deformity angles • Fracture assessment • Postural analysis • Telehealth assessments • Radiological measurements
━━━━━━━━━━━━━━━━━━━━━━━━━ 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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Comments on Angulus Pro - Precision Angle for Android
★★★★☆marwa mahdy· Mar 5, 2026
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
★★★★☆AbdulAziz Al-Sharif· Jul 17, 2024
The app is excellent, I'd like to buy it to remove the accompanying ads, So how can I buy the app?
★★★★★福川翔太郎· Oct 11, 2023
Migrated from Annulus Classic, and this new updated app resolves compatibility issues while maintaining the beloved interface. The addition of 'Private Folder' is particularly useful. A Pro version or a small subscription to remove ads would complete the package. Eager for future updates.
★☆☆☆☆Keith Hunter· Oct 27, 2024
Doesn't work at all, crashes as soon as I try to open a photo. Shame :/
★☆☆☆☆Herbert Walker· Feb 19, 2026
MUST have camera permission or it won't run. I want to measure the angle of an existing image. Useless.
★☆☆☆☆Gerhard Geficky· Jul 25, 2025
I still have no idea what thus app does and why it measures angles.
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