# N vs Dual N Back Brain Game

The clearest difference is in-app purchases: Dual N Back Brain Game at none against N's 6. Dual N Back Brain Game also leads on device support (3 vs 1). N's advantage is ratings volume (240 vs 5) and iOS requirement (16.4 vs 18.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. N sells 6 in-app purchases, starting at $8.99 per month. Dual N Back Brain Game asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for N against 4.8 for Dual N Back Brain Game. That said, the two scores are not equally well evidenced: N has 240 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 83% of N's written reviews are positive against 88% of Dual N Back Brain Game's.

## The numbers

| Metric | N | Dual N Back Brain Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (240 ratings)](https://appshunter.io/ios/app/n-back-challenge/id1524599079/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/dual-n-back-brain-game/id6748565017/reviews)** |
| Number of ratings | **240** | 5 |
| Positive reviews | 82.8% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 72 MB | 24 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [Rivuspurus](https://appshunter.io/developer/1171945549) | [Carlos Garcia](https://appshunter.io/developer/1812567705) |

## What reviewers say

### N

[App page](https://appshunter.io/ios/app/n-back-challenge/id1524599079)

This app offers a scientifically validated cognitive training program designed to enhance intelligence. It uses the dual n-back method to improve learning, reasoning, and problem-solving skills. Track progress, compete with friends, and customize your experience to boost cognitive abilities.

**Highlights:** Dual n-back cognitive training, IQ enhancement, Progress tracking and streaks, Social competition and leaderboards, Customizable voices and settings, Weekly habit option

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (monthly) | $8.99 | per month |
| Premium (annual) | $54.99 | per year |
| 1 cup of coffee | $1.99 | one-time |
| 4 cups of coffee | $5.99 | one-time |
| 7  cups of coffee | $8.99 | one-time |
| 10  cups of coffee | $10.99 | one-time |

**What reviewers like**

- 🧠 Effective working memory improvement
- 🎮 Excellent gamification and motivation system
- 💰 Free to use with affordable payment options
- 🎨 Clean, polished, intuitive user interface
- 📚 Scientifically-backed with educational articles

**What reviewers complain about**

- 🐛 Frequent mid-session freezes and crashes
- 🔊 Unclear letter pronunciation (some letters sound similar)
- 💳 Controversial 'coffee' paywall for missed days
- 🔌 Requires internet connection (not offline compatible)
- ⚠️ Inconsistent instant feedback on answers

**Reported bugs**

- Mid-session freezing and soft locks (most common)
- Sound not generating for letters during gameplay
- Buttons greyed out preventing interaction
- App crashes when accessing stats
- Double coffee charge on streak breaks

**Requested features**

- Single n-back and quad n-back modes
- Lock screen widgets for streak reminders
- Color-position dual n-back mode
- More granular settings (interference, probability, trial count)
- Penalty system for incorrect answers


### Dual N Back Brain Game

[App page](https://appshunter.io/ios/app/dual-n-back-brain-game/id6748565017)

This cognitive training app challenges your working memory with scientifically inspired exercises. It helps improve focus, memory, and mental agility through quick, distraction-free sessions. Ideal for students, professionals, or anyone seeking to enhance their cognitive abilities.

**Highlights:** Minimalist interface for focus, Visual and audio pattern matching, Detailed progress tracking, Short 3-minute sessions, Ad-free and distraction-free experience

**In-app purchases:** none


## Frequently asked questions

### Is N free?

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

### Is Dual N Back Brain Game free?

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

### Which has better reviews, N or Dual N Back Brain Game?

Dual N Back Brain Game is rated higher. N averages 4.7 out of 5 from 240 ratings, while Dual N Back Brain Game averages 4.8 from 5 ratings.

### Do N or Dual N Back Brain Game have ads?

Neither N nor Dual N Back Brain Game shows ads.

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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.*