ChironMotion IMU
MeasureWhatMattersinMovement
Free · In‑App Purchases
ChironMotion is a professional-grade motion analysis tool designed for coaches, athletes, and sports scientists. Leveraging advanced iPhone sensors and a proprietary physics engine, it delivers lab-quality jump metrics simply by securing your phone to your waist.
Key Features:
Comprehensive Test Protocols:
Countermovement Jump (CMJ): Measure lower-limb power and monitor neuromuscular fatigue.
Squat Jump (SJ): Assess pure concentric explosive strength.
Drop Jump (DJ): Analyze Reactive Strength Index (RSI) and plyometric performance.
Single Leg Stance (SLS): Evaluate bilateral symmetry and dynamic balance stability.
Precise Biomechanical Metrics:
Instantly obtain Jump Height, Flight Time, RSI, Peak Power, Rate of Force Development (RFD), and Landing Impact.
High-frequency 200Hz sampling captures movement details invisible to the naked eye.
AI-Powered Insights:
Get personalized training advice from three distinct AI personas: Scientific Expert, Enthusiastic Coach, and Toxic Coach.
Go beyond numbers - understand what your data actually means for your training.
Professional Reporting & Export:
PDF Analysis Reports: Generate detailed reports with waveforms and data breakdowns in one tap.
CSV Data Export: Access raw time-series data for further scientific research.
Test Comparison: Overlay two test results to visually track progress or analyze asymmetries.
Built For:
Strength & Conditioning Coaches
Physiotherapists
Athletic Trainers
Professional & Amateur Athletes
Sports Science Researchers
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://chironmotion.vercel.app/#legal
Download ChironMotion today and let data drive your breakthrough.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Track daily CMJ readiness with new Home and Lock Screen widgets. Use Siri and Shortcuts to start a test, check readiness, or find recent results. AI coaching and compatibility with the latest iOS release are also improved.
The developer, Yi-Fu Chen, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yi-Fu Chen
- Size
- 21.7 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later.
- iPhone
- Languages
English and 3 more
- English, Japanese, Korean, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Yearly Plan $39.99
- Pro Monthly Plan $3.99
- Copyright
- © 2026 ChironMotion Studio