# OpenCap vs Tracia Training

The clearest difference is update cadence: Tracia Training at every 4 days against OpenCap's every 4 months. 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 4 months, Tracia Training every 4 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | OpenCap | Tracia Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/opencap/id1630513242/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 6 MB | 8 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Model Health, Inc.](https://appshunter.io/developer/1252127888) | [ALPER ASCI](https://appshunter.io/developer/6791247153) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### Tracia Training

[App page](https://appshunter.io/ios/app/tracia-training/id6791286447)

**In-app purchases:** none


## Frequently asked questions

### Is OpenCap free?

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

### Is Tracia Training free?

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

### Do OpenCap or Tracia Training have ads?

Neither OpenCap nor Tracia Training shows ads.

### Which is updated more often, OpenCap or Tracia Training?

OpenCap ships an update every 4 months, and Tracia Training every 4 days. Most recently, OpenCap was updated on October 15, 2026 and Tracia Training on October 13, 2026.

---

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