# N'Back Fan vs ARC

The clearest difference is in-app purchases: ARC at none against N'Back Fan's 1. ARC also leads on ads (none vs shown) and update cadence (every 10 days vs every 9 months). N'Back Fan's advantage is iOS requirement (15.6 vs 26.0). On price and device support there is nothing between them.

Both are free to download. N'Back Fan sells 1 one-off in-app purchase. ARC asks for nothing beyond the download.

N'Back Fan ships an update every 9 months, ARC every 10 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | N'Back Fan | ARC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 10 days** |
| Size | 7 MB | 0 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Blackbelt Labs](https://appshunter.io/developer/1372610100) |

## What reviewers say

### 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 |


### ARC

[App page](https://appshunter.io/ios/app/arc-agi/id6748441637)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is N'Back Fan free?

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

### Is ARC free?

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

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

N'Back Fan shows ads; ARC does not.

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

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