# N vs N'Back Fan

The clearest difference is update cadence: N at every 4 days against N'Back Fan's every 9 months. N'Back Fan's advantage is iOS requirement (15.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. N sells 1 in-app purchase, starting at $0.99 per month and N'Back Fan sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

N ships an update every 4 days, N'Back Fan every 9 months. The most recent releases landed on September 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | N | N'Back Fan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 9 months |
| Size | 21 MB | 7 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [chunson yamada](https://appshunter.io/developer/1538754889) | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) |

## What reviewers say

### N

[App page](https://appshunter.io/ios/app/n-back-training/id1627478554)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| １ヶ月プラン | $0.99 | per month |


### N'Back Fan

[App page](https://appshunter.io/ios/app/nback-fan/id6449070102)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove ads and extend to 12 | $1.99 | one-time |


## Frequently asked questions

### Is N free?

N is free to download, with in-app purchases available.

### Is N'Back Fan free?

N'Back Fan is free to download, with in-app purchases available.

### Do N or N'Back Fan have ads?

Both N and N'Back Fan show ads.

### Which is updated more often, N or N'Back Fan?

N ships an update every 4 days, and N'Back Fan every 9 months. Most recently, N was updated on September 7, 2026 and N'Back Fan on September 10, 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.*