# Dual N vs Memory Skill Elevator

The clearest difference is rating: Memory Skill Elevator at 4.6 against Dual N's 4.1. Memory Skill Elevator also leads on in-app purchases (none vs 1) and update cadence (every 2 months vs every 6 months). Dual N's advantage is ads (none vs shown) and iOS requirement (9.0 vs 12.1). On price and device support there is nothing between them.

Both are free to download. Dual N sells 1 one-off in-app purchase. Memory Skill Elevator asks for nothing beyond the download.

Memory Skill Elevator holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 86 and 314 respectively. Written reviews point the same way: 52% of Dual N's written reviews are positive against 64% of Memory Skill Elevator's.

Dual N ships an update every 6 months, Memory Skill Elevator every 2 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Dual N | Memory Skill Elevator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (86 ratings)](https://appshunter.io/ios/app/dual-n-back-brain-training/id1099572886/reviews) | **[4.6 (314 ratings)](https://appshunter.io/ios/app/memory-skill-elevator/id1445198120/reviews)** |
| Number of ratings | 86 | **314** |
| Positive reviews | 52.3% of reviews | **64.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 42 MB | 12 MB |
| Requires iOS | **9.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lindware OU](https://appshunter.io/developer/510283189) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### Dual N

[App page](https://appshunter.io/ios/app/dual-n-back-brain-training/id1099572886)

Enhance your working memory and fluid intelligence with a scientifically validated brain training exercise. This app replicates the original Dual N-Back experiment to help you improve your cognitive abilities. Track your progress with detailed statistics and stay motivated with customizable reminders.

**Highlights:** Working memory enhancement, Fluid intelligence improvement, Replicates original experiment, Competitive leaderboards, Configurable reminders, Extensive statistics

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 Improves memory and cognition
- 👍 Well-made and functional app
- 👍 Nice looking and clean UI
- 👍 Not obtrusive ads
- 👍 Supports developer financially

**What reviewers complain about**

- 🤔 Gridless layout is challenging
- 🤔 Scoring doesn't make sense
- 🤔 Percentage of success is vague
- 🤔 English version uses 'Zed'
- 🐛 Position and sound buttons come up late

**Reported bugs**

- Scoring doesn't make sense
- Position and sound buttons come up too late
- Dark background is distracting
- Poorly planned letter combinations
- No sound

**Requested features**

- Option to turn grid on/off
- Feature to pick scoring method
- Tri-back or Quad-back options
- Option to swap buttons
- Option to reset stats


### Memory Skill Elevator

[App page](https://appshunter.io/ios/app/memory-skill-elevator/id1445198120)

This app offers scientifically proven mental exercises to enhance your memory. It targets short-term memory, visual memory, focus, and concentration skills through daily brain training. Regular use can lead to improved problem-solving, multitasking, and impulse control.

**Highlights:** Spatial memory training, Working memory training, Focus and concentration enhancement, Chunking skills development, Short-term memory improvement, Visual memory training

**Features:** macOS Compatibility, 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 Skill Elevator free?

Memory Skill Elevator is free to download, with no in-app purchases.

### Which has better reviews, Dual N or Memory Skill Elevator?

Memory Skill Elevator is rated higher. Dual N averages 4.1 out of 5 from 86 ratings, while Memory Skill Elevator averages 4.6 from 314 ratings.

### Do Dual N or Memory Skill Elevator have ads?

Memory Skill Elevator shows ads; Dual N does not.

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

Dual N ships an update every 6 months, and Memory Skill Elevator every 2 months. Most recently, Dual N was updated on October 9, 2026 and Memory Skill Elevator on October 12, 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.*