# N'Back 10 Dual vs 社会福祉士 AIノート

The clearest difference is price: 社会福祉士 AIノート at Free against N'Back 10 Dual's $2.99. N'Back 10 Dual's advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.0). On update cadence, in-app purchases and device support there is nothing between them.

社会福祉士 AIノート is free to download; N'Back 10 Dual costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

N'Back 10 Dual ships an update every 10 months, 社会福祉士 AIノート every 17 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | N'Back 10 Dual | 社会福祉士 AIノート |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 months** | Every 17 months |
| Monetization | Paid | — |
| Size | 1 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [reiko hori](https://appshunter.io/developer/1777370692) |

## What reviewers say

### N'Back 10 Dual

[App page](https://appshunter.io/ios/app/nback-10-dual/id1566085207)

This application offers a dual-task version of the n-back memory game, challenging users to track and recall sequences across multiple simultaneous tasks. It features adjustable flash times and two distinct modes for varied cognitive training.

**Highlights:** Dual-task n-back functionality, 1'Back to 10'Back levels, Flash Mode and Step Mode, Adjustable flash time, Multiple simultaneous memory tasks

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

**In-app purchases:** none


### 社会福祉士 AIノート

[App page](https://appshunter.io/ios/app/ai/id6738535803)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is N'Back 10 Dual free?

N'Back 10 Dual costs $2.99, with no in-app purchases.

### Is 社会福祉士 AIノート free?

社会福祉士 AIノート is free to download, with no in-app purchases.

### Do N'Back 10 Dual or 社会福祉士 AIノート have ads?

社会福祉士 AIノート shows ads; N'Back 10 Dual does not.

### Which is updated more often, N'Back 10 Dual or 社会福祉士 AIノート?

N'Back 10 Dual ships an update every 10 months, and 社会福祉士 AIノート every 17 months. Most recently, N'Back 10 Dual was updated on October 24, 2026 and 社会福祉士 AIノート on October 7, 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.*