Chessis: Chess Analysis v20.9 MOD APK (Premium)

Chess Improvement Apps

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Analyze your games with Stockfish 19, learn from mistakes & play smart bots

20.9 Version

19.75 MB Size

4.7 ★ 482 ratings

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Version

20.9

Latest

Size

19.75 MB

Total

Reached

Views

Updated

09-17

2026

Tested & Working Devices

Verified by our team and matched with recent HappyMod user reports.

2510DRK44C Xiaomi

Android 15

Virus Check

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Screenshots

ChessIs is a Chess Analysis app that allows you to
✔️ Analyze your games and get game reports
✔️ Analyze chess positions with Stockfish Engine
✔️ Detect Blunders, Mistakes, Missed Wins, Best Moves, etc
✔️ Play chess against Computer according to your level.
✔️ Setup 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 color and pieces
✔️Analyze your chess games from chess.com or Lichess
✔️ Export Annotated Pgn
✔️ Adjust "Game Report Depth"
✔️ Chess960 (FreeStyle Chess)
✔️ Games database with the ability to search fen in games
✔️ Add Oex engines
✔️ Change Engines settings like hash value and threads
✔️ List of all chess openings to explore
✔️ Play chess on the clock or set engine think time
✔️ Avg CPL on game reports
✔️Analyze games on either time or depth
✔️Show Threats
✔️Accuracy %
✔️ Threats
✔️ Draw Arrows on the board

ChessIs is one of the best Chess Analyzer apps. It helps you to improve your chess by analyzing your games and providing you with game reports which contain Blunders, Missed Wins, Best Moves, etc. It not only tells you where you made a blunder but also tells why that was a blunder.

To support the app we offer a Pro version with some extra benefits.
Most features of the app are free but you get some extra benefits with the Pro version:
✔️ Play/Show "Why Blunder" Line
✔️ Play Engine Lines
✔️ Enable NNUE
✔️Add unlimited engine lines
✔️ Adjust "Game Report Depth"
✔️ Adjust "Game Report Time"
✔️ Deep Analysis
✔️ While Playing show each move's strength
✔️ While Playing get a mistakes alert as well
✔️ No Ads
✔️ Analyze unlimited games forever!
✔️ Key Elements
Note: Deep analysis provides much more accurate and consistent results compare to quick analysis.

So Let's Analyze Chess with the ChessIs app!!!

You can expect lots of improvements and new features in the future! If you have any suggestions or need help, please feel free to email me at [email protected], Thank you:)

Premium

Version

20.9

Version Code

209

Permission

INTERNET ACCESS_NETWORK_STATE FOREGROUND_SERVICE FOREGROUND_SERVICE_DATA_SYNC WAKE_LOCK POST_NOTIFICATIONS BLUETOOTH' maxSdkVersion='30 BLUETOOTH_ADMIN' maxSdkVersion='30 BLUETOOTH_SCAN' usesPermissionFlags='neverForLocation BLUETOOTH_CONNECT BLUETOOTH_ADVERTISE RECEIVE_BOOT_COMPLETED BILLING BIND_GET_INSTALL_REFERRER_SERVICE AD_ID ACCESS_ADSERVICES_ATTRIBUTION ACCESS_ADSERVICES_AD_ID DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION CHECK_LICENSE

Min SDK

Target SDK

Supports Screens

small normal large xlarge

CPU

arm64-v8a armeabi-v7a

Signature

1CC63A91D447918EEA7E38042C54E6068DCAEAE3

SHA256

f0e3352e29bf275bb01e642ff4000a2c11809695108349f5492116a5e2f8c88d

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Uninstall any conflicting builds of the app, clear your installer's cache, and ensure you have sufficient internal storage. Once cleared, retry the installation using the original installer package.

How to update mods without losing data?

If the digital signatures match, you can simply install the update directly over the existing app. However, it is highly recommended to back up your game files before upgrading to prevent any accidental data loss.

Data Safety

Safety starts with understanding how developers collect and share your data.

No data shared with third parties
This app may collect these data types: Location, Personal info, and 3 others
Data is encrypted in transit
You can request that data be deleted