Joint Angle Measurement
ryo muranaka Health & Fitness iPhoneiPadiPod touch
Joint Angle Measurement is a free Health & Fitness app for iPhone and iPad by ryo muranaka. Requires iOS 18.0. Updated October 10, 2026.
- Price
- Free
- on the App Store
- Size
- 32 MB
- Age 4+
- Updated
- Oct 10
- 2026 · v1.16.5
Screenshots
About Joint Angle Measurement
Transform your smartphone into a professional goniometer. Joint Angle Measurement uses advanced pose detection technology to accurately measure joint angles for fitness, physical therapy, and rehabilitation tracking. PERFECT FOR PROFESSIONALS & FITNESS ENTHUSIASTS • Physical Therapists: Track patient progress with precise ROM measurements • Personal Trainers: Assess client flexibility and form • Athletes: Monitor flexibility and prevent injuries • Yoga & Pilates Instructors: Verify proper alignment • Home Rehabilitation: Track your recovery progress HIGH-PRECISION POSE DETECTION Our advanced pose detection technology automatically identifies body joints: • Shoulders, elbows, wrists • Hips, knees, ankles • Spine and neck alignment • Multi-person detection for group assessments KEY FEATURES • Instant Angle Measurement Simply take a photo or select from your library. The app automatically detects body joints and lets you measure any angle with three taps. • Visual Joint Overlay See detected joints and skeleton connections overlaid on your photos. Multiple people are detected and color-coded for easy identification. • Progress Tracking Save measurements with person names, joint labels, and notes. Track flexibility improvements and rehabilitation progress over time. • Professional Documentation Each measurement saves both the original photo and an annotated version showing the measured angle perfect for clinical records or progress reports. • Customizable Display • Adjust point and line colors for better visibility • Toggle grid overlay for alignment reference • Switch between light and dark modes • Fine-tune pose detection sensitivity PREMIUM FEATURES Upgrade to unlock advanced capabilities: • Unlimited Measurements: Save as many assessments as needed • Progress Analytics: Visualize improvement trends over time • Export Reports: Generate professional PDF reports • Cloud Backup: Sync data across devices • Ad-Free Experience: Uninterrupted professional use CLINICAL ACCURACY While not a medical device, our app provides reliable measurements suitable for: • Range of motion (ROM) assessment • Flexibility tracking • Posture analysis • Exercise form verification • Rehabilitation monitoring SIMPLE WORKFLOW 1. Take a photo or select from your library 2. App automatically detects joints 3. Tap three points to define the angle (vertex in the middle) 4. View real-time angle measurement 5. Save with person name, joint label, and notes VERSATILE APPLICATIONS • Sports Medicine: Document injury recovery • Fitness Training: Track flexibility gains • Yoga Practice: Monitor pose progression • Physical Therapy: Create patient records • Ergonomics: Assess workplace posture • Dance & Gymnastics: Perfect technique PRIVACY FOCUSED All measurements and photos are stored securely on your device. No data is uploaded to external servers without your consent. Start measuring joint angles professionally today. Download Joint Angle Measurement and bring precision to your fitness and rehabilitation practice.
What’s new
Version 1.16.5 · Updated October 10, 2026
The purchase screen now clearly shows the price charged after the free trial and how auto-renewal works.
App privacy
The developer, ryo muranaka, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Joint Angle Measurement
Looking for apps like Joint Angle Measurement? Here are 6 similar apps on the App Store. The highest rated is Goniometer: Range of Motion (4.8/5), and all 6 are free to download.
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AngleLab - Joint Angle App
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Goniometer: Range of Motion
4.8
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PhysioTrack: PT Rehab AI
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KneeProgress
1.0
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ACL Rehab Tracker
4.6
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MirrorAR Motion Capture
4.2
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Joint Angle Measurement | – | Free | October 10, 2026 | |
| AngleLab - Joint Angle App | – | Free | Apr 26, 2024 | Compare |
| Goniometer: Range of Motion | 4.8 / 5 (20) | Free | Oct 4, 2026 | Compare |
| PhysioTrack: PT Rehab AI | – | Free | May 6, 2026 | Compare |
| KneeProgress | 1.0 / 5 (1) | Free | Aug 17, 2026 | Compare |
| ACL Rehab Tracker | 4.6 / 5 (17) | Free | Feb 13, 2026 | Compare |
| MirrorAR Motion Capture | 4.2 / 5 (5) | Free | Apr 20, 2026 | Compare |