# BrainHack vs QuantumPass

The clearest difference is in-app purchases: BrainHack at none against QuantumPass's 3. BrainHack also leads on update cadence (every 6 weeks vs every 10 months) and iOS requirement (8.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. QuantumPass sells 3 one-off in-app purchases. BrainHack asks for nothing beyond the download.

BrainHack ships an update every 6 weeks, QuantumPass every 10 months. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | BrainHack | QuantumPass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/brainhack/id959976921/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 10 months |
| Monetization | Free | — |
| Size | 11 MB | 3 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Katsuma Tanaka](https://appshunter.io/developer/507370114) | [Valerie Otero](https://appshunter.io/developer/1848585337) |

## What reviewers say

### BrainHack

[App page](https://appshunter.io/ios/app/brainhack/id959976921)

This app serves as an interpreter for the esoteric B*******k programming language. It allows users to execute B*******k code, which is known for its extreme minimalism and is designed for programmer challenge and amusement rather than practical use.

**Highlights:** B*******k programming language interpreter, Execute esoteric code, Minimalist programming language support, ASCII character output, Byte input and manipulation

**Features:** macOS Compatibility

**In-app purchases:** none


### QuantumPass

[App page](https://appshunter.io/ios/app/quantumpass/id6755789663)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small coffee | $1.99 | one-time |
| Medium coffee | $3.99 | one-time |
| Large coffee | $5.99 | one-time |


## Frequently asked questions

### Is BrainHack free?

BrainHack is free to download, with no in-app purchases.

### Is QuantumPass free?

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

### Do BrainHack or QuantumPass have ads?

Neither BrainHack nor QuantumPass shows ads.

### Which is updated more often, BrainHack or QuantumPass?

BrainHack ships an update every 6 weeks, and QuantumPass every 10 months. Most recently, BrainHack was updated on October 15, 2026 and QuantumPass on October 6, 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.*