# 井字棋pro - 益智棋盘挑战 — 简单与困难难度切换

> 简单与困难难度切换 (iPhone/iPad app by 开封 桑.)

- Source: https://appshunter.io/ios/app/pro/id6759907199 (this page in markdown: same URL + `.md`)
- Developer: [开封 桑](https://appshunter.io/developer/1872634156)
- Category: Games, Casual
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 25 MB
- Languages: American English
- Released: 2026-04-08
- Data updated: 2026-06-12
- User reviews in markdown: https://appshunter.io/ios/app/pro/id6759907199/reviews.md

## What is 井字棋pro?

xo is a Tic-Tac-Toe strategy game app that supports multiple board sizes. Users can play against the computer on 3×3, 4×4, and 5×5 boards, experiencing strategic thinking and logical deduction through different difficulty levels. The app offers theme customization, multi-language support, and basic gameplay assistance features, suitable for casual entertainment and brain training.

【Core Features】

**Player vs. Computer Mode**
Play against the built-in AI with two difficulty levels—Easy and Hard—to meet the strategic needs of users with different skill levels.

**Multiple Board Sizes**
Choose from 3×3, 4×4, and 5×5 boards, expanding traditional Tic-Tac-Toe gameplay to increase variety and strategic depth.

**Game Assistance Features**
- Timer showing current game duration
- Undo last move
- Restart current game with one tap
- Victory animation with flashing effect
- Sound and haptic feedback settings

**Theme Customization**
- Switch between Dark and Light modes
- Wood-grain board theme
- Multiple piece styles: Classic, Neon, Retro, Minimalist, Cartoon

**Multi-language Support**
Switch between Chinese and English interfaces for the convenience of users with different language preferences.

【Target Audience】
- Users who enjoy Tic-Tac-Toe and board-based puzzle games
- Individuals looking to practice strategy and logical thinking
- Users seeking a casual, lightweight game for entertainment

【Usage Scenarios】
- Short entertainment during commutes
- Passing time during waiting periods
- Practicing strategy against AI
- Daily relaxation and mental exercise


## Version history (last 1 release)

### 1.0.0 — 2026-04-08

No release notes.

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All apps by 开封 桑: https://appshunter.io/developer/1872634156

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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 2026-06-12.*