# Human Factor vs ポチ単 英検2～5級単語帳

The clearest difference is in-app purchases: Human Factor at none against ポチ単 英検2～5級単語帳's 5. ポチ単 英検2～5級単語帳's advantage is device support and iOS requirement (15.1 vs 26.2). On price there is nothing between them.

Both are free to download. ポチ単 英検2～5級単語帳 sells 5 one-off in-app purchases. Human Factor asks for nothing beyond the download.

## The numbers

| Metric | Human Factor | ポチ単 英検2～5級単語帳 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 1.9 GB | 384 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Masahiko Hattori](https://appshunter.io/developer/1870060089) | [Eri Ito](https://appshunter.io/developer/1869300669) |

## What reviewers say

### Human Factor

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

**In-app purchases:** none


### ポチ単 英検2～5級単語帳

[App page](https://appshunter.io/ios/app/25/id6760384345)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 英検5級 単語パック | $0.49 | one-time |
| 英検3級 単語パック | $0.49 | one-time |
| 英検4級 単語パック | $0.49 | one-time |
| 英検準2級 単語パック | $0.49 | one-time |
| 英検2級 単語パック | $0.49 | one-time |


## Frequently asked questions

### Is Human Factor free?

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

### Is ポチ単 英検2～5級単語帳 free?

ポチ単 英検2～5級単語帳 is free to download, with in-app purchases available.

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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.*