# OpenCap vs AngleLab

The clearest difference is update cadence: AngleLab at every 3 months against OpenCap's every 7 months. AngleLab also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OpenCap ships an update every 7 months, AngleLab every 3 months. The most recent releases landed on September 8, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | OpenCap | AngleLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/opencap/id1630513242/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 6 MB | 41 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Model Health, Inc.](https://appshunter.io/developer/1252127888) | [HELTEC Co., Ltd](https://appshunter.io/developer/1740087639) |

## 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


### AngleLab

[App page](https://appshunter.io/ios/app/anglelab-joint-angle-app/id1641470895)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenCap free?

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

### Is AngleLab free?

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

### Do OpenCap or AngleLab have ads?

Neither OpenCap nor AngleLab shows ads.

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

OpenCap ships an update every 7 months, and AngleLab every 3 months. Most recently, OpenCap was updated on September 8, 2026 and AngleLab on September 12, 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.*