# Human Factor vs VOCA

The clearest difference is device support: VOCA at 2 against Human Factor's —. VOCA also leads on iOS requirement (18.6 vs 26.2). On price 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.

## The numbers

| Metric | Human Factor | VOCA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/voca/id6760336263/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 9 days |
| Monetization | — | Free |
| Size | 1.9 GB | 8 MB |
| Requires iOS | 26.2 | **18.6** |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Masahiko Hattori](https://appshunter.io/developer/1870060089) | [Ryotaro Yogo](https://appshunter.io/developer/1883955608) |

## What reviewers say

### Human Factor

[App page](https://appshunter.io/ios/app/human-factor/id6759567429)

**In-app purchases:** none


### VOCA

[App page](https://appshunter.io/ios/app/voca/id6760336263)

Compete in real-time English vocabulary battles against players worldwide. This app transforms vocabulary memorization into an engaging game, enhancing practical English skills through rapid output and competitive challenges.

**Highlights:** Real-time 1v1 vocabulary battles, Customizable multiplayer battles (2-10 players), Daily challenge with increasing difficulty, User profiles with custom names and icons, Friend system for competitive rankings, Focus on practical English output

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Human Factor free?

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

### Is VOCA free?

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

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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.*