# N'Back 10 vs クレペリン：テストマスター

The clearest difference is update cadence: クレペリン：テストマスター at fortnightly against N'Back 10's every 12 months. クレペリン：テストマスター also leads on price ($0.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

N'Back 10 costs $2.99 and クレペリン：テストマスター $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

N'Back 10 ships an update every 12 months, クレペリン：テストマスター fortnightly. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | N'Back 10 | クレペリン：テストマスター |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nback-10/id588985886/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 2 MB | 0 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Taiyo Koshiba](https://appshunter.io/developer/1687457132) |

## What reviewers say

### N'Back 10

[App page](https://appshunter.io/ios/app/nback-10/id588985886)

Enhance sensory and working memory with this cognitive training tool. It offers various modes and difficulty levels to challenge your recall abilities by matching current stimuli to those from a specified number of steps prior.

**Highlights:** N'Back training (1-Back to 10-Back), Flash Mode, Slow Mode, Step Mode, Sequence memorization, Stimulus matching

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

**In-app purchases:** none


### クレペリン：テストマスター

[App page](https://appshunter.io/ios/app/id6744862345)

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

**In-app purchases:** none


## Frequently asked questions

### Is N'Back 10 free?

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

### Is クレペリン：テストマスター free?

クレペリン：テストマスター costs $0.99, with no in-app purchases.

### Do N'Back 10 or クレペリン：テストマスター have ads?

Neither N'Back 10 nor クレペリン：テストマスター shows ads.

### Which is updated more often, N'Back 10 or クレペリン：テストマスター?

N'Back 10 ships an update every 12 months, and クレペリン：テストマスター fortnightly. Most recently, N'Back 10 was updated on October 25, 2026 and クレペリン：テストマスター on October 9, 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.*