# n vs Aptitude Test Trainer

The clearest difference is price: n at Free against Aptitude Test Trainer's $5.99. n also leads on ratings volume (44 vs 8) and iOS requirement (13.0 vs 15.0). Aptitude Test Trainer's advantage is rating (3.6 vs 3.0) and ads (none vs shown). On in-app purchases and device support there is nothing between them.

n is free to download; Aptitude Test Trainer costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Aptitude Test Trainer holds the better App Store score, 3.6 against 3.0. That said, the two scores are not equally well evidenced: n has 44 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 39% of n's written reviews are positive against 62% of Aptitude Test Trainer's.

n ships an update every 12 months, Aptitude Test Trainer every 6 months. The most recent releases landed on September 13, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | n | Aptitude Test Trainer |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [3.0 (44 ratings)](https://appshunter.io/ios/app/n-back/id551544969/reviews) | **[3.6 (8 ratings)](https://appshunter.io/ios/app/aptitude-test-trainer/id554676520/reviews)** |
| Number of ratings | **44** | 8 |
| Positive reviews | 38.9% of reviews | **61.9% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 6 months** |
| Monetization | Ad-supported | **Free** |
| Size | 5 MB | 136 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [dicwizard.jp](https://appshunter.io/developer/288699111) | [Seliant ApS](https://appshunter.io/developer/554676523) |

## What reviewers say

### n

[App page](https://appshunter.io/ios/app/n-back/id551544969)

Enhance your working memory with this brain training application. It challenges you to recall past information by selecting difficulty levels and memorizing digits from addition problems.

**Highlights:** Working memory training, Adjustable difficulty levels (1-10), Memorization of addition problem digits, Tap last digit of previous answers, N-back exercise implementation

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

**In-app purchases:** none


### Aptitude Test Trainer

[App page](https://appshunter.io/ios/app/aptitude-test-trainer/id554676520)

Prepare for aptitude tests or sharpen your cognitive skills with a vast question bank. Practice with detailed solutions, track your progress, and compare your scores against others. Customize your training by selecting categories, modes, and question counts.

**Highlights:** Over 2600 practice questions, Detailed explained solutions, Customizable test modes, Score progression tracking, Comparison with other users, Multiple question categories

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

**In-app purchases:** none


## Frequently asked questions

### Is n free?

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

### Is Aptitude Test Trainer free?

Aptitude Test Trainer costs $5.99, with no in-app purchases.

### Which has better reviews, n or Aptitude Test Trainer?

Aptitude Test Trainer is rated higher. n averages 3.0 out of 5 from 44 ratings, while Aptitude Test Trainer averages 3.6 from 8 ratings.

### Do n or Aptitude Test Trainer have ads?

n shows ads; Aptitude Test Trainer does not.

### Which is updated more often, n or Aptitude Test Trainer?

n ships an update every 12 months, and Aptitude Test Trainer every 6 months. Most recently, n was updated on September 13, 2026 and Aptitude Test Trainer on September 28, 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.*