# BrainHack vs Precis3D

The clearest difference is in-app purchases: BrainHack at none against Precis3D's 1. BrainHack also leads on iOS requirement (8.0 vs 17.0). Precis3D's advantage is update cadence (every 9 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Precis3D sells 1 in-app purchase, starting at $4.99 per month. BrainHack asks for nothing beyond the download.

BrainHack ships an update every 6 weeks, Precis3D every 9 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BrainHack | Precis3D |
| --- | --- | --- |
| 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 9 days** |
| Monetization | Free | — |
| Size | 11 MB | 4 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Katsuma Tanaka](https://appshunter.io/developer/507370114) | [志标 张](https://appshunter.io/developer/6799128609) |

## 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


### Precis3D

[App page](https://appshunter.io/ios/app/precis3d-3d-scanner/id6799294978)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度无限导出 | $4.99 | per month |


## Frequently asked questions

### Is BrainHack free?

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

### Is Precis3D free?

Precis3D is free to download, with in-app purchases available.

### Do BrainHack or Precis3D have ads?

Neither BrainHack nor Precis3D shows ads.

### Which is updated more often, BrainHack or Precis3D?

BrainHack ships an update every 6 weeks, and Precis3D every 9 days. Most recently, BrainHack was updated on October 15, 2026 and Precis3D on October 7, 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.*