# Zero Grid — Math Puzzle & Brain Training

> Math Puzzle & Brain Training (iPhone/iPad app by Yuki Tsuna.)

- Source: https://appshunter.io/ios/app/zero-grid/id6760925027 (this page in markdown: same URL + `.md`)
- Developer: [Yuki Tsuna](https://appshunter.io/developer/1868553519)
- Category: Games, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 141 MB
- Languages: American English, Japanese
- Released: 2026-04-28
- Data updated: 2026-08-28
- User reviews in markdown: https://appshunter.io/ios/app/zero-grid/id6760925027/reviews.md

## What is Zero Grid?

A simple math puzzle that anyone can pick up and play.
Easy to start, hard to put down.

Use the number in the center to calculate each tile
and turn all numbers into “0”.

Start with simple puzzles using subtraction.
As you progress, addition, multiplication, and division are introduced,
making the puzzles deeper and more strategic.

Drag across tiles to connect and select them in one stroke.
Choosing the right steps and operations is the key to solving each puzzle.

Clear stages from Level 1 to 200 in order.
After clearing Level 40, the “Puzzle Generator” is unlocked,
allowing you to create and play unlimited custom puzzles.

Features
• Simple and intuitive controls
• Operations increase with difficulty (− → + → × → ÷)
• Satisfying one-stroke drag gameplay
• Strategic, brain-teasing puzzles
• 200 challenging stages
• Unlock the puzzle generator
• Perfect for short play sessions

Play now and experience the fun of puzzles!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |



## Version history (last 1 release)

### 1.0.7 — 2026-04-28

No release notes.

## More apps by Yuki Tsuna

- [Tower of Wailing Sorrows](https://appshunter.io/ios/app/tower-of-wailing-sorrows/id6757727262)

All apps by Yuki Tsuna: https://appshunter.io/developer/1868553519

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*