---
title: "0h h1 — App Overview"
url: https://marlvel.ai/intel-report/games/0h-h1
category: Games
developer: Q42 B.V.
platforms: ios, android
rating: 4.6 (8.6K ratings)
pricing: free
report_level: overview
generated: 2026-04-16
---

<!-- SECTION: Key Insight -->
> **Key Insight:** 0h h1 is a minimalist, ad-free logic puzzle game that provides unlimited, rule-based challenges across various grid sizes.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Games |
| Rating | 4.6 ★ (8.6K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.3.5 |
| Latest Version (Android) | 1.6.2 |
| Developer | Q42 B.V. |

<!-- SECTION: Summary -->
## What is 0h h1?

0h h1 is a logic-based puzzle game inspired by Binary Sudoku that challenges players to complete grids by adhering to specific color-placement rules. The app offers a distraction-free experience with multiple grid sizes and competitive features like time trials and leaderboards. It is notable for being entirely free, ad-free, and devoid of locked content.

<!-- SECTION: Key Features -->
## Key Features

- **Logic-Based Gameplay**: Players complete grids by following three rules regarding tile color sequences and row/column uniqueness.
- **Multiple Grid Sizes**: Offers five difficulty levels ranging from 4x4 to 12x12 grids.
- **Zen and Competitive Modes**: Provides a pressure-free Zen mode alongside time trials, achievements, and global leaderboards.
- **Ad-Free Experience**: The app is provided as a free, fully accessible tool without advertisements or locked content.

<!-- SECTION: Target Audience -->
## Who is it for?

Casual gamers and puzzle enthusiasts looking for a logic-based mental challenge.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/0h-h1/id936504196?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.q42.ohhi&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/games/0h-h1)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/games/0h-h1).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*