# OpenCap vs ActivForce

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.

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.

## The numbers

| Metric | OpenCap | ActivForce |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/opencap/id1630513242/reviews)** | [4.8 (5 ratings)](https://appshunter.io/ios/app/activforce-digital-testing/id6741608693/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | — | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 29 MB |
| Requires iOS | **15.6** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Model Health, Inc.](https://appshunter.io/developer/1252127888) | [Activbody, Inc.](https://appshunter.io/developer/1077331801) |

## What reviewers say

### OpenCap

[App page](https://appshunter.io/ios/app/opencap/id1630513242)

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.

**Highlights:** 3D human movement capture, iOS video recording, Web-based data collection, Biomechanical analysis, Cloud computing integration

**In-app purchases:** none


### ActivForce

[App page](https://appshunter.io/ios/app/activforce-digital-testing/id6741608693)

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.

**Highlights:** Real-time strength and ROM data visualization, Customizable test sequences, Detailed data modeling and analysis, Offline functionality, Seamless web dashboard sync

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenCap free?

OpenCap is free to download, with no in-app purchases.

### Is ActivForce free?

ActivForce is free to download, with no in-app purchases.

### Which has better reviews, OpenCap or ActivForce?

OpenCap is rated higher. OpenCap averages 5.0 out of 5 from 4 ratings, while ActivForce averages 4.8 from 5 ratings.

### Do OpenCap or ActivForce have ads?

Neither OpenCap nor ActivForce shows ads.

### Which is updated more often, OpenCap or ActivForce?

OpenCap ships an update every 7 months, and ActivForce every 3 weeks. Most recently, OpenCap was updated on September 8, 2026 and ActivForce on July 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*