OpenCap vs ActivForce
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.
ActivForce
This app syncs with a handheld device to provide real-time data for strength and range of motion testing. It helps practitioners optimize client care and recovery with accurate, data-driven insights and customizable testing sequences.
- Real-time strength and ROM data visualization
- Customizable test sequences
- Detailed data modeling and analysis
- Offline functionality
- Seamless web dashboard sync
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The data-driven advantage for practitioners. The new ActivForce companion app syncs with the handheld dynamometer and inclinometer to optimize care and recovery with real-time data. Accurate, Adaptable & Accessible Strength & ROM Testing Technology Streamline workflows, elevate your practice and improve your clients’ results. ActivForce’s integrated digital system measures, tracks and visualizes strength, force and range of motion (ROM) metrics. Designed to improve decision-making with data-driven insights, the new software supports: - Comprehensive Testing & Sequences: Perform multiple muscle force, symmetry comparison and ROM tests. Customize test sequences for faster and more flexible testing. - Real-Time Insights: Force and ROM metrics are instantly visualized to support faster and more informed care decisions. - Detailed Data Modelling: Industry-standard calculations and analysis offer deeper insights into client progress, supporting tailored care plans. - Portable, Flexible Testing: Conduct sessions anywhere from homes to hospitals with quick set-up and offline functionality. Customize Testing. Optimize Recovery. Maximize Retention. Our system is engineered to meet practitioners’ needs and optimize client outcomes. Seamlessly sync data with ActivForce’s intuitive web dashboard to improve analysis and reporting while reducing manual inputs. Assess the problem. Access the insights. Address the issue with effective, evidence-based care.
Screenshots
Verdict
The clearest difference is update cadence: ActivForce at every 3 weeks against OpenCap's every 7 months. OpenCap's advantage is rating (5.0 vs 4.8) and iOS requirement (15.6 vs 17). On price, ratings volume, ads and in-app purchases 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.
OpenCap holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 5 respectively.
OpenCap ships an update every 7 months, ActivForce every 3 weeks. The most recent releases landed on September 8, 2026 and July 23, 2026 respectively.
| Parameter | OpenCap | ActivForce |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.8 (5 ratings) |
| Positive reviews | — | 16.7% of reviews |
| Number of ratings | 4 | 5 — better |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17 |
| Further details — not scored | ||
| Size | 6 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | Model Health, Inc. | Activbody, Inc. |
Customer experience
OpenCap
ActivForce
In-app purchases
OpenCap
No in-app purchases
ActivForce
No in-app purchases
