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Last updated on: 2026-06-18
Android Apps > Board > Chessis: Chess Analysis
Chessis: Chess Analysis icon

Chessis: Chess Analysis

18.3
Chess Improvement Apps
4.79
26,662 reviews
1,000,000+
Downloads
Free

Analyze chess games, detect mistakes & blunders, and improve your chess!

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About Chessis: Chess Analysis

Chessis: Chess Analysis is a board app developed by Chess Improvement Apps.

Download Statistics

Chessis: Chess Analysis has been downloaded 2 million times. In the last 30 days, the app was downloaded 46 thousand times. It is ranked in the top 100 board apps.

User Ratings

Chessis: Chess Analysis is rated 4.79 out of 5 stars. The rating is based on 27 thousand ratings.

App Information

Chessis: Chess Analysis is FREE to download. The APK download size is 5.17 MB. The latest version available is 18.3. The last update was on June 13, 2026.

Technical Requirements

Chessis: Chess Analysis requires Android 5.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play July 2021.

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

โœจ Recent Updates:
๐Ÿ“ท Chess Image Scanner — scan 2D chess board images for instant analysis
โš”๏ธ Engine vs Engine — watch engines battle each other
๐Ÿง  Smart Analysis — deeper insights, enable in analysis settings
๐ŸŸ Stockfish 18 — the latest and strongest engine
โ™Ÿ๏ธ App Shortcuts — long-press the app icon for quick access
๐ŸŽฏ Lichess Games — browse and analyze your Lichess games directly
๐Ÿ“ Annotated PGN Export — select and download annotated games
๐ŸŒ 13 languages supported

โœ”๏ธ Analyze your games and get detailed game reports
โœ”๏ธ Analyze chess positions with Stockfish engine
โœ”๏ธ Detect blunders, mistakes, missed wins, and best moves
โœ”๏ธ Play chess against the computer at your level
โœ”๏ธ Set up board positions (Board Editor) and analyze them
โœ”๏ธ Open PGN files (PGN Viewer)
โœ”๏ธ Get blunder alerts and learn why it was a blunder
โœ”๏ธ Add multiple engine lines
โœ”๏ธ Play engine lines
โœ”๏ธ Customize board colors and pieces
โœ”๏ธ Analyze your chess games from Chess.com or Lichess
โœ”๏ธ Export annotated PGN
โœ”๏ธ Adjust game report depth
โœ”๏ธ Chess960 (Fischer Random Chess)
โœ”๏ธ Games database with FEN search
โœ”๏ธ Add OEX engines
โœ”๏ธ Change engine settings like hash value and threads
โœ”๏ธ List of all chess openings to explore
โœ”๏ธ Play chess on the clock or set engine think time
โœ”๏ธ Average centipawn loss on game reports
โœ”๏ธ Analyze games by time or depth
โœ”๏ธ Show threats
โœ”๏ธ Accuracy percentage
โœ”๏ธ 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:
โœ”๏ธ Play/Show "Why Blunder" line
โœ”๏ธ Play engine lines
โœ”๏ธ Enable NNUE
โœ”๏ธ Add unlimited engine lines
โœ”๏ธ Adjust game report depth
โœ”๏ธ Adjust game report time
โœ”๏ธ Deep analysis
โœ”๏ธ Show each move's strength while playing
โœ”๏ธ Get mistake alerts while playing
โœ”๏ธ No ads
โœ”๏ธ Analyze unlimited games forever!
โœ”๏ธ 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!

Recent changes:
๐ŸŽ‰ What's New

๐Ÿ”ƒ Retry mistakes from games. (Even from multiple games from Games Archive)

โ™Ÿ๏ธ 3D pieces — add your own! Settings → Board Themes → tap โ‹ฎ next to Pieces, then pick a ZIP of 3D pieces (SVG/PNG).

๐Ÿ–ผ๏ธ Custom backgrounds — Settings → Board Themes → tap โ‹ฎ next to Background.

๐Ÿ˜€ New avatars.

โ™ฟ Screen reader support for blind & low-vision players.

โœจ Small improvements & bug fixes from your reports.

More coming soon! Feedback: support@chessis.app
Show more Show less

More data about Chessis: Chess Analysis

Price Free to download
Total downloads 2 million
Recent downloads 46 thousand
Rating 4.79 based on 27 thousand ratings
Ranking Highly ranked
Version 18.3
APK size 5.17 MB
Number of libraries 17
Designed for Android 5.0+
Suitable for Everyone
Ads Contains ads

App Performance Report

Get a detailed PDF report for Chessis: Chess Analysis with download trends, rating history, and key performance statistics โ€” useful for competitive research or tracking your own app. Learn more

Get PDF Report โ€” $29

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Chessis: Chess Analysis compared with similar apps

Common keywords of similar apps

Chessis Show Improve Settings Annotated Reports Blunder Add Adjust Report Depth Mistake Detect Mistakes Helps Enable Quick Export Detailed Missed Wins Alerts Unlimited Deep Playing Chess Engine Games Analysis Analyze Game Lines Board Play App Pgn Blunders Lichess Set Time Recent Engines Stockfish Positions Moves Pro Features

Keywords missing from this app

Version Move Position Opening Support Openings Share Open Puzzles Import Files Apps Free Https Edit View Variations Pieces Users Scan Master Level Fen Repertoire Advanced Database Application Pulsar

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Google Play Rating history and histogram

Rating history
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Downloads over time

Downloads over time
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Chessis: Chess Analysis has been downloaded 2 million times. Over the past 30 days, it averaged 1.5 thousand downloads per day.

Changelog of Chessis: Chess Analysis

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Developer information for Chess Improvement Apps

Chess Improvement Apps

support@chessis.app

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Comments on Chessis: Chess Analysis for Android

โ˜…โ˜…โ˜…โ˜…โ˜… Daniel Johnson ยท May 29, 2026
Best Analysis App for Android and Just Got Better! The Rating Function is Wonderful, I used to Wish for a Numerical Rating in Addition to an Accuracy Rating I'm a very strong player with Accuracy from 90-99.7 rating just had a game I analyzed with a 94.1% rating and a 2630 rating not my best accuracy rating but the other player got a 2240 rating I really feel I'm improving using this app. I'm using the Stock fish engine 18 when it was first available, and now it's available for Chassis Pro. ๐Ÿฅฐ
โ˜…โ˜…โ˜…โ˜…โ˜† Alibaba Magtanggol ยท Apr 30, 2026
The only problem is if I change default engine to OEX engine cannot move the engine vs human, but it works on engine vs engine.
โ˜…โ˜…โ˜…โ˜…โ˜† J. Miles ยท May 8, 2026
When adding variations to be analyzed, there's no need for the pop-up notification stating how many variations are now being analyzed. The number being analyzed is obvious, & the pop-up just covers the variation analysis lines, so I waste time waiting for it to disappear, so I can actually see the variations. Otherwise, the program works well (though sometimes can't scan obvious chessboard screenshots correctly) and the ability to scan screenshots onto the chess board is extremely useful.
โ˜…โ˜…โ˜†โ˜†โ˜† U Eugen ยท Apr 18, 2026
It was my favorite chess app. However with latest 1 or 2 new versions the interface got awful because when I analyze a game now I can only see maximum 1 line of engine variants instead of 2 with older version that fit on screen. And additionally now sometimes that annoying "Why mistake" message appears which I cannot disable, that makes engine lines not visible during analysis. Please revert the graphical interface changes, and please make "Why mistake" message optional
โ˜…โ˜…โ˜†โ˜†โ˜† Vijay Kumar ยท Jun 6, 2026
Old version good, new version giving wrong accuracy, I am 2000 plays, but it's saying play style 800
โ˜…โ˜†โ˜†โ˜†โ˜† Lcd Drmr ยท May 25, 2026
Since the May 2026 update, the graphics have been improved a lot, but the entire analysis is useless. This is because the quick analysis now needlessly takes about 4 times longer but is limited to the same 14 depth, yet gives crazy high wrong values. Before, we could let analysis run as deep as we wanted by stepping slowly through the moves (total 3 mins), now have to pay, and it has a depth limit of only 18. And it's likely just as inaccurate as the quick one, anyway. A good program is ruined.
โ˜…โ˜†โ˜†โ˜†โ˜† Saad Jahangir Manj ยท Apr 23, 2026
world's most engine and app of all time I used it first it was 0.80 + eval for my opponent, and then I played engine moved, and it then made me losed at end by 12 + eval

Google Play Rankings for Chessis: Chess Analysis

Top rankings

Rank Country Category List
190 Germany Board Top Free
95 Finland Board Top Free
99 Indonesia Board Top Free
200 France Board Top Free
103 Norway Board Top Free
115 Iran Board Top Free
116 Poland Board Top Free
127 Russia Board Top Free
43 Indonesia Board Top Grossing
131 Italy Board Top Free
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Ranking history in Indonesia

Ranking history
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Technologies used by Chessis: Chess Analysis

13 permissions ยท 17 libraries
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