# 영어듣기 대충영어 BrainHz vs Dual N

The clearest difference is in-app purchases: Dual N at none against 영어듣기 대충영어 BrainHz's 6. Dual N also leads on update cadence (every 2 days vs every 6 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 영어듣기 대충영어 BrainHz sells 6 in-app purchases, starting at $1.99 per month. Dual N asks for nothing beyond the download.

영어듣기 대충영어 BrainHz ships an update every 6 days, Dual N every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 영어듣기 대충영어 BrainHz | Dual N |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/dual-n-back-brain-trainer/id6783484280/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 39 MB | 26 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EduO Corp.](https://appshunter.io/developer/1464884658) | [Ahmed Sayed Mokhtar Mohamed](https://appshunter.io/developer/1470826267) |

## What reviewers say

### 영어듣기 대충영어 BrainHz

[App page](https://appshunter.io/ios/app/brainhz/id6761318323)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $1.99 | per month |
| Premium | $9.99 | per month |
| Basic | $11.99 | per 6 months |
| Ultra | $19.99 | per month |
| Premium | $39.99 | per 6 months |
| Ultra | $89.99 | per 6 months |


### Dual N

[App page](https://appshunter.io/ios/app/dual-n-back-brain-trainer/id6783484280)

This app trains your working memory and focus using the scientifically validated n-back task. It presents multiple streams of information, requiring you to match current stimuli with those from N steps prior. The difficulty adapts to your performance, ensuring a challenging yet achievable workout for your brain.

**Highlights:** Dual N-back task training, Adaptive difficulty based on performance, Manual difficulty setting (N=1-9), Multiple stimulus streams (position, audio, color), Progress tracking and statistics, Customizable session settings, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is 영어듣기 대충영어 BrainHz free?

영어듣기 대충영어 BrainHz is free to download, with in-app purchases available.

### Is Dual N free?

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

### Do 영어듣기 대충영어 BrainHz or Dual N have ads?

Neither 영어듣기 대충영어 BrainHz nor Dual N shows ads.

### Which is updated more often, 영어듣기 대충영어 BrainHz or Dual N?

영어듣기 대충영어 BrainHz ships an update every 6 days, and Dual N every 2 days. Most recently, 영어듣기 대충영어 BrainHz was updated on October 31, 2026 and Dual N on October 31, 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.*