OpenCap vs VisionMD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenCap
Capture 3D human movement data using your iOS device's camera. Analyze biomechanics through a comprehensive system including an app, web platform, and cloud computing.
- 3D human movement capture
- iOS video recording
- Web-based data collection
- Biomechanical analysis
- Cloud computing integration
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OpenCap is a software system to measure 3D human movement from iOS device videos. It comprises an iOS app for video capture, a web app for data collection and visualization, and scalable cloud computing for biomechanical analysis from video.
VisionMD
This app facilitates data collection for research by recording hand and body movements at high frame rates. It utilizes Apple Vision technology to guide users through specific exercises during video capture.
- High frame rate video recording
- Hand and body movement capture
- Apple Vision guidance
- Research data collection support
- UF IRB protocol compliance
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VisionMD is an application meant to support data collection under UF IRB202401184. The app is designed to record videos of people performing specific hand and body movements at high frame rate. VisionMD uses Apple Vision to guide the users during the recording.
Screenshots
Verdict
The clearest difference is update cadence: VisionMD at every 11 days against OpenCap's every 4 months. OpenCap's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for OpenCap against 5.0 for VisionMD. Both are backed by a comparable volume of ratings — 5 and 4 respectively.
OpenCap ships an update every 4 months, VisionMD every 11 days. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.
| Parameter | OpenCap | VisionMD |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (4 ratings) |
| Number of ratings | 5 — better | 4 |
| Update frequency | Every 4 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 410 MB |
| Age rating | 4+ | 4+ |
| Developer | Model Health, Inc. | UF Health |
Customer experience
OpenCap
VisionMD
In-app purchases
OpenCap
No in-app purchases
VisionMD
No in-app purchases
