BrainHack vs Precis3D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BrainHack
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.
- B*******k programming language interpreter
- Execute esoteric code
- Minimalist programming language support
- ASCII character output
- Byte input and manipulation
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BrainHack is an interpreter app for B*******k. The B*******k programming language is an esoteric programming language noted for its extreme minimalism. It is a Turing tarpit, designed to challenge and amuse programmers, and was not made to be suitable for practical use. It was created in 1993 by Urban Muller. Commands: > increment the data pointer (to point to the next cell to the right). < decrement the data pointer (to point to the next cell to the left). + increment (increase by one) the byte at the data pointer. - decrement (decrease by one) the byte at the data pointer. . output a character, the ASCII value of which being the byte at the data pointer. , accept one byte of input, storing its value in the byte at the data pointer. [ if the byte at the data pointer is zero, then instead of moving the instruction pointer forward to the next command, jump it forward to the command after the matching ] command. ] if the byte at the data pointer is nonzero, then instead of moving the instruction pointer forward to the next command, jump it back to the command after the matching [ command.
Precis3D
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Precis3D is a full-scale precision 3D scanning app for iOS. It uses your device's LiDAR and camera to capture physical objects in real-time, then reconstructs them into high-quality 3D models with up to 0.1–0.3mm precision. Key Features: • LiDAR + Photogrammetry Fusion: Combines depth and visual data for optimal reconstruction • Smart Capture Guidance: Real-time spherical coverage tracking with a HUD overlay • Export to Multiple Formats: STL, 3MF, OBJ, USDZ, PLY • Export Limits: 1 free USDZ export per day; premium STL/3MF/OBJ exports available via in-app purchase • Auto Frame Quality Assessment: Filters out blurry or over/under-exposed shots before reconstruction Requirements: - iPhone 12 Pro or newer (LiDAR required) - iOS 17.0+ No account required. No ads. No data collection. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | BrainHack | Precis3D |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 6 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 11 MB | 4 MB |
| Age rating | 4+ | 9+ |
| Developer | Katsuma Tanaka | 志标 张 |
In-app purchases
BrainHack
No in-app purchases
Precis3D
- 月度无限导出$4.991 Month









