# N'Back Butterfly vs Brainify

The clearest difference is in-app purchases: N'Back Butterfly at none against Brainify's 1. Brainify's advantage is update cadence (every 4 months vs every 10 months) and iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Brainify sells 1 one-off in-app purchase. N'Back Butterfly asks for nothing beyond the download.

N'Back Butterfly ships an update every 10 months, Brainify every 4 months. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | N'Back Butterfly | Brainify |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | Ad-supported | — |
| Size | 9 MB | 46 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Ionut Iluta](https://appshunter.io/developer/1530999667) |

## What reviewers say

### N'Back Butterfly

[App page](https://appshunter.io/ios/app/nback-butterfly/id853507894)

Enhance your cognitive abilities and combat forgetfulness with this application designed to improve working memory. It utilizes the scientifically recognized n-back task to train your brain's capacity for information recall and manipulation.

**Highlights:** Working memory improvement, N-back task training, Cognitive neuroscience assessment, Continuous performance task

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

**In-app purchases:** none


### Brainify

[App page](https://appshunter.io/ios/app/brainify/id1524516132)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


## Frequently asked questions

### Is N'Back Butterfly free?

N'Back Butterfly is free to download, with no in-app purchases.

### Is Brainify free?

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

### Do N'Back Butterfly or Brainify have ads?

Both N'Back Butterfly and Brainify show ads.

### Which is updated more often, N'Back Butterfly or Brainify?

N'Back Butterfly ships an update every 10 months, and Brainify every 4 months. Most recently, N'Back Butterfly was updated on October 27, 2026 and Brainify on October 22, 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.*