# Gomoku: Zen Five in a Row — Relaxing Strategy Board Game

> Relaxing Strategy Board Game (iPhone/iPad app by koji ozono.)

- Source: https://appshunter.io/ios/app/gomoku-zen-five-in-a-row/id6756268340 (this page in markdown: same URL + `.md`)
- Developer: [koji ozono](https://appshunter.io/developer/1826482515)
- Category: Games, Board, Strategy
- Price: Free with in-app purchases (on sale, was $1.29)
- Age rating: 4+
- Requires: iOS 17.6 · 22 MB
- Languages: American English, Japanese
- Released: 2026-01-01
- Data updated: 2026-08-31
- User reviews in markdown: https://appshunter.io/ios/app/gomoku-zen-five-in-a-row/id6756268340/reviews.md

## What is Gomoku?

A classic Gomoku (Five in a Row) app that anyone can quickly enjoy. It features a CPU opponent powered by a state-of-the-art AI engine, as well as online matches against players from around the world.

■ 3 Play Modes
・ Online Matches (Quick Match): Play real-time matches with players worldwide. No passwords or registration required – just jump right in!
・ CPU Match: 10 levels of difficulty. The AI replicates the natural pacing of a human opponent.
・ Two-Player Match: Enjoy a match with family and friends around a single device.

Key Features:
■ Single Player (CPU Match)
・ 10 Difficulty Levels: Choose from beginner to advanced.
・ High-Precision Engine: Advanced levels implement the VCT (Vanishing Threat Exploration) algorithm.
・ Undo Function: Take back your moves.

■ Online Matches
・ Random Match: Match with players around the world in real-time.
・ Ranking System: Leaderboard displays based on the number of wins.

■ Friend Invitation Feature
・ Invitation URL: Easily invite specific opponents to a private match with a URL.
・ Browser Participation: Opponents can join from a web browser even without the app installed.

■ Local Matches
・ Two-Player Mode: Take turns operating a single device for a face-to-face match.

■ UI & Visuals
・ Design: Wood-grain board design for enhanced visibility.
・ Visual Effects: “Winning Line Stroke” effect – lines glow upon victory.
・ Tactile Feedback: Haptic feedback (vibration) when placing a stone.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Gomoku Pro | $0.99 | one-time |



## Version history (last 5 releases)

### 2.0.3 — 2026-04-01

・Optimized the CPU's move rhythm for a more natural match experience.

### 2.0.2 — 2026-03-21

• Fixed an issue where customers who previously purchased this app were unable to use Pro features.

### 2.0.1 — 2026-03-17

• Optimized ad retrieval logic.

### 2.0.0 — 2026-03-09

• App Integration: Unified the ad-supported and paid versions into a single app.
• Support for Existing Users: Pro features will be automatically enabled for users who installed the app prior to version 2.0.0.

### 1.2.0 — 2026-02-16

• Added online match invitation feature

## Apps similar to Gomoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Singularity: Chain Reaction](https://appshunter.io/ios/app/singularity-chain-reaction/id6759178913) | — | Free | Games |
| [Gomoku - Five in a Row AI](https://appshunter.io/ios/app/gomoku-five-in-a-row-ai/id6751761102) | — | Free | Games |
| [Gomoku & Capture Go](https://appshunter.io/ios/app/gomoku-and-capture-go/id6761405225) | — | Free | Games |
| [Othello Master: Reversi](https://appshunter.io/ios/app/othello-master-reversi/id6761419181) | — | Free | Games |
| [Pente Live](https://appshunter.io/ios/app/pente-live/id595426592) | 4.3 (337) | Free | Games |
| [Chess - tChess Lite](https://appshunter.io/ios/app/chess-tchess-lite/id296756437) | 4.6 (77) | $0.99 | Games |

## More apps by koji ozono

- [WhisperDirect:AI Meeting Notes](https://appshunter.io/ios/app/whisperdirectai-meeting-notes/id6748595475)
- [WhisText](https://appshunter.io/ios/app/whistext/id6754094086)
- [Reversi Simple:Satisfying Flip](https://appshunter.io/ios/app/reversi-simplesatisfying-flip/id6757232677)
- [Go Lab: AI Baduk KataGo Engine](https://appshunter.io/ios/app/go-lab-ai-baduk-katago-engine/id6757245003)
- [Chess Lab: Arasan AI Engine](https://appshunter.io/ios/app/chess-lab-arasan-ai-engine/id6757245101)

All apps by koji ozono: https://appshunter.io/developer/1826482515

## Related topics

[gomoku zen](https://appshunter.io/ios/topics/gomoku-zen)

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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 2026-08-31.*