# EncephalApp vs Dual N

The clearest difference is in-app purchases: EncephalApp at none against Dual N's 2. EncephalApp also leads on ads (none vs shown) and review sentiment (63% vs 51%). Dual N's advantage is update cadence (fortnightly vs every 5 months) and ratings volume (376 vs 5). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Dual N sells 2 in-app purchases, starting at $0.99 per month. EncephalApp asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for EncephalApp against 4.6 for Dual N. That said, the two scores are not equally well evidenced: Dual N has 376 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 63% of EncephalApp's written reviews are positive against 51% of Dual N's.

EncephalApp ships an update every 5 months, Dual N fortnightly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | EncephalApp | Dual N |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/encephalapp-stroop-test/id589478721/reviews)** | [4.6 (376 ratings)](https://appshunter.io/ios/app/dual-n-back-brain-training/id1578693948/reviews) |
| Number of ratings | 5 | **376** |
| Positive reviews | **62.5% of reviews** | 50.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 199 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jasmohan Bajaj](https://appshunter.io/developer/589478724) | [GOKAKU SUPPLI, LIMITED LIABILITY CO.](https://appshunter.io/developer/1440310107) |

## What reviewers say

### EncephalApp

[App page](https://appshunter.io/ios/app/encephalapp-stroop-test/id589478721)

This app presents a series of color-word association tests to measure your mental processing speed and response rate. It tracks your progress through multiple rounds, providing detailed results and allowing score comparison or sharing for review.

**Highlights:** Mental speed testing, Response rate identification, Color-word association, Score tracking and progression, Result presentation, Score comparison and sharing

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

**In-app purchases:** none


### Dual N

[App page](https://appshunter.io/ios/app/dual-n-back-brain-training/id1578693948)

This app is a brain game designed to improve working memory and cognitive skills through a challenging memory-training exercise. It offers customizable difficulty, goal setting, and global leaderboards to track progress. An ad-free experience is available via a subscription.

**Highlights:** Working memory training, Customizable difficulty (N-value, interval, session length), Goal setting and reminders, Global leaderboards, Multilingual support, Ad-free Pro version

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NBack Monthly Subscription | $0.99 | per month |
| Lifetime Pass | $12.99 | one-time |


## Frequently asked questions

### Is EncephalApp free?

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

### Is Dual N free?

Dual N is free to download, with in-app purchases available.

### Which has better reviews, EncephalApp or Dual N?

EncephalApp is rated higher. EncephalApp averages 4.6 out of 5 from 5 ratings, while Dual N averages 4.6 from 376 ratings.

### Do EncephalApp or Dual N have ads?

Dual N shows ads; EncephalApp does not.

### Which is updated more often, EncephalApp or Dual N?

EncephalApp ships an update every 5 months, and Dual N fortnightly. Most recently, EncephalApp was updated on October 24, 2026 and Dual N on October 27, 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.*