# Crystal Grid

> Classic Sudoku puzzles with intelligent hints and solution verification

Canonical page: [https://chrome-stats.com/d/co.gridvault.crystal](https://chrome-stats.com/d/co.gridvault.crystal)

## Overview

- **ID:** `co.gridvault.crystal`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** CyberCraft SOFT
- **Category:** GAME\_PUZZLE
- **Downloads:** 2
- **Version:** 1.2.4
- **Last updated:** 2026-08-11
- **First published:** 2026-06-16
- **Publisher country:** MD
- **Size:** 31 MB
- **Data as of:** 2026-09-25
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=co.gridvault.crystal)
- **Website:** [https://fastaxis.top/](https://fastaxis.top/)
- **Privacy policy:** [https://www.freeprivacypolicy.com/live/ae9356c7-2b37-416d-8dcd-5285771bf753](https://www.freeprivacypolicy.com/live/ae9356c7-2b37-416d-8dcd-5285771bf753)

## Description

Master the art of number placement with Crystal Grid, a polished Sudoku experience designed for puzzle enthusiasts of all skill levels. Challenge yourself with classic 9x9 grids where logical thinking meets strategic number placement.<br><br>The app features intelligent hint system that guides you through difficult spots without giving away the solution completely.<br><br>Crystal Grid offers multiple difficulty levels from beginner-friendly grids to expert challenges that will test even seasoned players. The clean, distraction-free interface keeps you focused on the puzzle while customizable settings let you adjust font sizes and visual preferences.<br><br>Track your solving progress and develop your skills with each completed grid. The app provides local statistics to monitor your improvement over time, all stored securely on your device without requiring any registration or online connectivity.

## Rankings

- #3,136,193 — Overall

## Permissions and access

### Permissions

- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `co.gridvault.crystal.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`

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Source: [Chrome-Stats](https://chrome-stats.com/d/co.gridvault.crystal)