# N'Back 10 vs JSME 計算力学技術者試験 流体１級対策（単相流）

The clearest difference is price: N'Back 10 at $2.99 against JSME 計算力学技術者試験 流体１級対策（単相流）'s $9.99. JSME 計算力学技術者試験 流体１級対策（単相流）'s advantage is update cadence (every 2 months vs every 12 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

N'Back 10 costs $2.99 and JSME 計算力学技術者試験 流体１級対策（単相流） $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

N'Back 10 ships an update every 12 months, JSME 計算力学技術者試験 流体１級対策（単相流） every 2 months. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | N'Back 10 | JSME 計算力学技術者試験 流体１級対策（単相流） |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| 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 | **Every 2 months** |
| Monetization | Paid | — |
| Size | 2 MB | 41 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Daisuke Matsubara](https://appshunter.io/developer/1720755722) |

## 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


### JSME 計算力学技術者試験 流体１級対策（単相流）

[App page](https://appshunter.io/ios/app/jsme/id6738888176)

**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 JSME 計算力学技術者試験 流体１級対策（単相流） free?

JSME 計算力学技術者試験 流体１級対策（単相流） costs $9.99, with no in-app purchases.

### Do N'Back 10 or JSME 計算力学技術者試験 流体１級対策（単相流） have ads?

Neither N'Back 10 nor JSME 計算力学技術者試験 流体１級対策（単相流） shows ads.

### Which is updated more often, N'Back 10 or JSME 計算力学技術者試験 流体１級対策（単相流）?

N'Back 10 ships an update every 12 months, and JSME 計算力学技術者試験 流体１級対策（単相流） every 2 months. Most recently, N'Back 10 was updated on September 11, 2026 and JSME 計算力学技術者試験 流体１級対策（単相流） on September 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*