# Dual N vs Memory Training

The clearest difference is review sentiment: Memory Training at 100% against Dual N's 48%. Memory Training also leads on rating (4.8 vs 4.3). Dual N's advantage is ads (none vs shown) and update cadence (every 10 days vs monthly). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Dual N sells 2 in-app purchases, starting at $1.99 per month and Memory Training sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Memory Training holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 19 and 22 respectively. Written reviews point the same way: 48% of Dual N's written reviews are positive against 100% of Memory Training's.

Dual N ships an update every 10 days, Memory Training monthly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Dual N | Memory Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (19 ratings)](https://appshunter.io/ios/app/dual-n-back-adhd-focus-game/id1568448504/reviews) | **[4.8 (22 ratings)](https://appshunter.io/ios/app/memory-training-brain-games/id6744945971/reviews)** |
| Number of ratings | 19 | **22** |
| Positive reviews | 48.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 41 MB | 55 MB |
| Requires iOS | **17.0** | 17.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hiromi Fujita](https://appshunter.io/developer/1364801021) | [Olena Gotsulyak](https://appshunter.io/developer/1699979294) |

## What reviewers say

### Dual N

[App page](https://appshunter.io/ios/app/dual-n-back-adhd-focus-game/id1568448504)

This scientifically proven brain training app enhances working memory, concentration, and cognitive abilities. It helps improve IQ, memory, and thinking speed through engaging gameplay that challenges your brain. Consistent practice leads to noticeable improvements in focus and mental agility.

**Highlights:** Strengthens working memory, Improves concentration, Enhances cognitive abilities, Difficulty adjustment (N-2 to N-5), Progress visualization with graphs, Statistics and calendar tracking, Global player rankings

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Features | $1.99 | per month |
| Annual Premium Features | $19.99 | per year |


### Memory Training

[App page](https://appshunter.io/ios/app/memory-training-brain-games/id6744945971)

Enhance your cognitive abilities with daily, effective memory exercises. Improve focus, clarity, and mental sharpness through engaging games designed to keep your brain active and memory strong. Suitable for all ages, it offers quick sessions with no distractions.

**Highlights:** Dozens of unique memory games, Exercises for Visual, Working, and Spatial Memory, Multiple difficulty levels, Quick daily sessions, Calm, minimal design, Offline play

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $1.99 | per month |
| Annual plan | $5.99 | per year |
| Monthly subscription | $29.99 | per month |
| Monthly subscription | $49.99 | per month |
| Full Access #1 | $3.99 | one-time |
| Premium Access | $7.99 | one-time |
| Full Access #2 | $9.99 | one-time |
| Full Access #3 | $19.99 | one-time |
| Full Access #4 | $29.99 | one-time |
| Full Access #5 | $39.99 | one-time |


## Frequently asked questions

### Is Dual N free?

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

### Is Memory Training free?

Memory Training is free to download, with in-app purchases available.

### Which has better reviews, Dual N or Memory Training?

Memory Training is rated higher. Dual N averages 4.3 out of 5 from 19 ratings, while Memory Training averages 4.8 from 22 ratings.

### Do Dual N or Memory Training have ads?

Memory Training shows ads; Dual N does not.

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

Dual N ships an update every 10 days, and Memory Training monthly. Most recently, Dual N was updated on November 3, 2026 and Memory Training on November 5, 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.*