# Dual N vs Memory Tap Challenge

The clearest difference is review sentiment: Memory Tap Challenge at 100% against Dual N's 51%. Memory Tap Challenge also leads on in-app purchases (none vs 2) and update cadence (daily vs fortnightly). Dual N's advantage is ratings volume (376 vs 1). On price, ads, 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. Memory Tap Challenge asks for nothing beyond the download.

Memory Tap Challenge holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Dual N has 376 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 51% of Dual N's written reviews are positive against 100% of Memory Tap Challenge's.

Dual N ships an update fortnightly, Memory Tap Challenge daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Dual N | Memory Tap Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (376 ratings)](https://appshunter.io/ios/app/dual-n-back-brain-training/id1578693948/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memory-tap-challenge/id6772366258/reviews)** |
| Number of ratings | **376** | 1 |
| Positive reviews | 50.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 199 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GOKAKU SUPPLI, LIMITED LIABILITY CO.](https://appshunter.io/developer/1440310107) | [Behrooz Amerishahrabi](https://appshunter.io/developer/6772366260) |

## What reviewers say

### 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 |


### Memory Tap Challenge

[App page](https://appshunter.io/ios/app/memory-tap-challenge/id6772366258)

Test your focus, recall, and reaction with this engaging memory game. Watch sequences, remember numbers, and tap them back in order. Offers multiple modes and customization options for a fun challenge.

**Highlights:** Classic memory sequence gameplay, Reverse mode, Daily challenge mode, Coins and hints, Customizable themes and settings, Fast gameplay

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Dual N free?

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

### Is Memory Tap Challenge free?

Memory Tap Challenge is free to download, with no in-app purchases.

### Which has better reviews, Dual N or Memory Tap Challenge?

Memory Tap Challenge is rated higher. Dual N averages 4.6 out of 5 from 376 ratings, while Memory Tap Challenge averages 5.0 from 1 ratings.

### Do Dual N or Memory Tap Challenge have ads?

Both Dual N and Memory Tap Challenge show ads.

### Which is updated more often, Dual N or Memory Tap Challenge?

Dual N ships an update fortnightly, and Memory Tap Challenge daily. Most recently, Dual N was updated on November 3, 2026 and Memory Tap Challenge 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.*