# Shogi Lab Lite: Japanese Chess — Sunfish Engine Analysis Match

> Sunfish Engine Analysis Match (iPhone/iPad app by koji ozono.)

- Source: https://appshunter.io/ios/app/shogi-lab-lite/id6758916624 (this page in markdown: same URL + `.md`)
- Developer: [koji ozono](https://appshunter.io/developer/1826482515)
- Category: Games, Board, Strategy
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 77 MB
- Languages: American English, Japanese
- Released: 2026-02-08
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/shogi-lab-lite/id6758916624/reviews.md

## What is Shogi Lab Lite?

This is a shogi app powered by the full-featured Sunfish4 engine. With clear piece design and calm, intuitive controls, you can enjoy smooth gameplay from the opening to the endgame. It includes real-time evaluation during matches as well as game record replay and analysis features, allowing you to complete the entire flow from playing to reviewing within the app. Online matches with rankings are supported, and offline CPU matches are also available.

Main Features

▪ In-Game Analysis (During Match)
・View evaluation values and graphs in real time.

▪ Thinking Time Visualization (During Match)
・Display thinking time on the move list.
・Long thinks are highlighted in red (top 5%) and yellow (top 15%).

▪ Key Move Detection (During Match / Analysis)
・Automatically highlights moves where the evaluation changes significantly.

▪ Game Record Analysis (Analysis)
・Replay, fast-forward, and rewind past games for review.

▪ Position Jump (Analysis)
・Instantly move to any position within the game record.

▪ Save & Resume (During Match)
・Pause a match and resume later.

▪ Adjustable CPU Strength (During Match)
・Set the difficulty level from practice to serious play.

▪ First/Second Move Selection (Start)
・Choose to play as Black or White.

▪ Take Back Move (During Match)
・Undo the last move.

▪ Legal Move Display (During Match)
・Show available moves to help prevent mistakes.

▪ Haptics & Animations (Controls)
・Smooth and responsive interaction.

▪ Online Multiplayer
・Supports ranked online matches.
・Offline CPU matches and local two-player mode are also available.

*Note: The in-app interface is primarily in English.


## Version history (last 5 releases)

### 1.0.6 — 2026-03-05

• Improved stability on iPad and Mac.
• Optimized layout and enhanced UI visibility on iPad.

### 1.0.5 — 2026-02-18

• Improved performance and fixed screen stuttering on the menu screen.
• Added a feature to display "What's New" after an update.
• Other minor bug fixes and stability improvements.

### 1.0.4 — 2026-02-15

• Added a loading indicator for ads to improve operational stability.

### 1.0.3 — 2026-02-13

• Fixed ticket count display and other minor bug fixes.

### 1.0.2 — 2026-02-11

• Optimized Ad Loading: Fixed an issue where the app could become unstable by disabling buttons until ads are fully ready.
• Loading Indicators: Added visual loading status inside buttons to provide clearer feedback during ad preparation.
• Improved Stability: Refined the network connection and ad initialization process for a smoother user experience.

## More apps by koji ozono

- [WhisperDirect:AI Meeting Notes](https://appshunter.io/ios/app/whisperdirect/id6748595475)
- [WhisText](https://appshunter.io/ios/app/whistext/id6754094086)
- [Gomoku: Zen Five in a Row](https://appshunter.io/ios/app/gomoku/id6756268340)
- [Reversi Simple:Satisfying Flip](https://appshunter.io/ios/app/reversi-simple/id6757232677)
- [Go Lab: AI Baduk KataGo Engine](https://appshunter.io/ios/app/go-lab/id6757245003)
- [Chess Lab: Arasan AI Engine](https://appshunter.io/ios/app/chess-lab/id6757245101)

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

---

*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 2026-05-14.*