Chessis: Chess Analysis

Chessis (Package Name: com.chessimprovement.chessis) is developed by Chess Improvement Apps and the latest version of Chessis: Chess Analysis 18.2 was updated on May 18, 2026. Chessis: Chess Analysis is in the category of Board. You can check all apps from the developer of Chessis: Chess Analysis. Currently this app is for free. This app can be downloaded on Android 5.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.

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 chessimprovementapps@gmail.com. Thank you!

Chessis 18.2 Update

✨ Added back the + button to temporarily show more engine lines.
You can still set the default number of engine lines from the three-dot menu next to the eval bar or from Engine Settings.