# N'Back 10 vs Critical Thinking Trainer

The clearest difference is price: Critical Thinking Trainer at Free against N'Back 10's $2.99. Critical Thinking Trainer also leads on update cadence (every 5 days vs every 12 months) and device support (3 vs 1). N'Back 10's advantage is in-app purchases (none vs 2) and ads (none vs shown). On review sentiment and iOS requirement there is nothing between them.

Critical Thinking Trainer is free to download; N'Back 10 costs $2.99 up front. Critical Thinking Trainer sells 2 in-app purchases, starting at $10.00 per month. N'Back 10 asks for nothing beyond the download.

N'Back 10 ships an update every 12 months, Critical Thinking Trainer every 5 days. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | N'Back 10 | Critical Thinking Trainer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nback-10/id588985886/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 5 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 99 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [hiroki kawamura](https://appshunter.io/developer/1613885005) |

## 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


### Critical Thinking Trainer

[App page](https://appshunter.io/ios/app/critical-thinking-trainer/id6800005834)

This app offers daily exercises and training to enhance abstract reasoning skills. Practice applying experiences to new situations, identifying key information, and articulating concepts concisely. It includes personalized feedback based on initial assessments and allows for comparison with other users' responses.

**Highlights:** Daily abstract reasoning exercises, Personalized training based on assessment, Practice applying concepts to new situations, Identify key information in complex scenarios, Articulate points concisely, Compare answers with other users, Track thinking progress over time

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $10.00 | per month |
| Annual Plan | $70.00 | per year |


## Frequently asked questions

### Is N'Back 10 free?

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

### Is Critical Thinking Trainer free?

Critical Thinking Trainer is free to download, with in-app purchases available.

### Do N'Back 10 or Critical Thinking Trainer have ads?

Critical Thinking Trainer shows ads; N'Back 10 does not.

### Which is updated more often, N'Back 10 or Critical Thinking Trainer?

N'Back 10 ships an update every 12 months, and Critical Thinking Trainer every 5 days. Most recently, N'Back 10 was updated on October 3, 2026 and Critical Thinking Trainer on October 18, 2026.

---

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