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Chessis: Chess Analysis

Analyze chess games, detect mistakes & blunders, and improve...

Contains ads

1,000,000+

Total Global Downloads

  • Bundle ID

    com.chessimprovement.chessis

  • Developer

    Chess Improvement Apps

  • Category

    Board

  • Price

    Free

  • Update Time

    Mar 12, 2026

  • 27109 Ratings

    4.6820807

  • Bundle ID

    com.chessimprovement.chessis

  • Developer

    Chess Improvement Apps

  • category

    Board

  • Price

    Free

  • Update Time

    Mar 12, 2026

  • 27109 Ratings

    4.6820807

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App Info

Description

Chessis is a powerful Chess Analysis app that helps you improve your game!

✨ Recent Updates:
📷 Chess Image Scanner — scan 2D chess board images for instant analysis
⚔️ Engine vs Engine — watch engines battle each other
🧠 Smart Analysis — deeper insights, enable in analysis settings
🐟 Stockfish 18 — the latest and strongest engine
♟️ App Shortcuts — long-press the app icon for quick access
🎯 Lichess Games — browse and analyze your Lichess games directly
📝 Annotated PGN Export — select and download annotated games
🌍 13 languages supported

✔️ Analyze your games and get detailed game reports
✔️ Analyze chess positions with Stockfish engine
✔️ Detect blunders, mistakes, missed wins, and best moves
✔️ Play chess against the computer at your level
✔️ Set up board positions (Board Editor) and analyze them
✔️ Open PGN files (PGN Viewer)
✔️ Get blunder alerts and learn why it was a blunder
✔️ Add multiple engine lines
✔️ Play engine lines
✔️ Customize board colors and pieces
✔️ Analyze your chess games from Chess.com or Lichess
✔️ Export annotated PGN
✔️ Adjust game report depth
✔️ Chess960 (Fischer Random Chess)
✔️ Games database with FEN search
✔️ Add OEX engines
✔️ Change engine settings like hash value and threads
✔️ List of all chess openings to explore
✔️ Play chess on the clock or set engine think time
✔️ Average centipawn loss on game reports
✔️ Analyze games by time or depth
✔️ Show threats
✔️ Accuracy percentage
✔️ Draw arrows on the board

Chessis is one of the best chess analysis apps available. It helps you improve your chess by analyzing your games and providing detailed game reports with blunders, missed wins, best moves, and more. It not only shows you where you made a mistake but also explains why it was a mistake.

To support the app, we offer a Pro version with extra benefits. Most features are free, but Pro gives you:
✔️ Play/Show "Why Blunder" line
✔️ Play engine lines
✔️ Enable NNUE
✔️ Add unlimited engine lines
✔️ Adjust game report depth
✔️ Adjust game report time
✔️ Deep analysis
✔️ Show each move's strength while playing
✔️ Get mistake alerts while playing
✔️ No ads
✔️ Analyze unlimited games forever!
✔️ Key Elements

Note: Deep analysis provides much more accurate and consistent results compared to quick analysis.

Let's analyze chess with Chessis!

We're always working on improvements and new features. If you have any suggestions or need help, please email us at [email protected]. Thank you!
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Popular IAP

$0.99 - $9.99 per item

Version History

Version Time
14.9 Mar 12, 2026
14.2 Feb 18, 2026
13.5 Nov 11, 2025
13.2 Oct 27, 2025
9.3 Oct 16, 2025
9.2 Aug 5, 2024
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