# Human Factor vs AcoustioNary

The clearest difference is in-app purchases: Human Factor at none against AcoustioNary's 4. AcoustioNary's advantage is iOS requirement (17.0 vs 26.2). On price there is nothing between them.

Both are free to download. AcoustioNary sells 4 one-off in-app purchases. Human Factor asks for nothing beyond the download.

## The numbers

| Metric | Human Factor | AcoustioNary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 days |
| Size | 1.9 GB | 10 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | — | **iPhone** |
| Age rating | 17+ | 4+ |
| Developer | [Masahiko Hattori](https://appshunter.io/developer/1870060089) | [Tomonori Kowatari](https://appshunter.io/developer/1895573153) |

## What reviewers say

### Human Factor

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

**In-app purchases:** none


### AcoustioNary

[App page](https://appshunter.io/ios/app/acoustionary/id6773378241)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads forever | $1.99 | one-time |
| 応援チップ（小） | $1.99 | one-time |
| 応援チップ（中） | $4.99 | one-time |
| 応援チップ（大） | $9.99 | one-time |


## Frequently asked questions

### Is Human Factor free?

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

### Is AcoustioNary free?

AcoustioNary 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.*