Chessis APK is a free board app for Android by Chess Improvement Apps. Analyze your games with Stockfish 19, learn from mistakes & play smart bots. On this page you can get the latest version 21.5, read what it offers and follow a simple install guide.

What Is Chessis APK?
Chessis belongs to the Board category and is built by Chess Improvement Apps. It has already reached 1,000,000+ installs on Google Play with an average rating of 4.6/5 from 32,479 ratings, which shows how many people rely on it every day.
Chessis is one of the best chess analysis apps for Android. Trusted by over 1,000,000 chess players.
️ Full game report with accuracy, estimated rating, and phase-by-phase breakdown ️ Key moments: the turning points that decided your game, explained in plain words
Downloading the Chessis APK file lets you install the app directly, update it on your own schedule and keep a backup of the version that works best on your phone.
Key Features of Chessis APK
- ️ Move badges from Brilliant to Blunder — and "Why Blunder?" shows the idea you missed, right on the board
- ️ Retry Mistakes: replay the critical moments of any game and find the better move this time
- ️ Analyze your Chess.com and Lichess games, import PGN files, or scan a board with your camera
- ️ Bots with human playing styles — aggressive, defensive, natural — at every level
- ️ Blunder alerts while you play: learn before you lose
- ️ Hints, takebacks, and move-strength feedback
Chessis App Information
| App name | Chessis: Chess Analysis |
| Package | com.chessimprovement.chessis |
| Category | Board |
| Developer | Chess Improvement Apps |
| Latest version | 21.5 |
| Requires Android | 5.0 |
| Installs | 1,000,000+ |
| Rating | 4.6/5 from 32,479 ratings |
| Last updated | October 8, 2026 |
| Price | Free |
How to Download and Install Chessis APK
- Scroll to the download button on this page and tap it to save the Chessis APK file.
- Open Settings on your phone and allow installs from your browser or file manager when asked.
- Open the downloaded file and tap Install.
- Wait a few seconds, then tap Open to start Chessis.
- Switch the unknown-sources permission back off to keep your phone protected.
What’s New in Chessis 21.5
♟️ Multiple usernames. Add every username you play under on any site, and Chessis will automatically flip the board when your username appears in a PGN game. Settings > Advanced Settings > Your usernames. Plus bug fixes and small improvements. The listing was last updated on October 8, 2026.
Tips for the Best Experience with Chessis
- Keep at least 500 MB of free storage so Chessis can install and update smoothly.
- Use a stable Wi-Fi connection when you download the file or open the app for the first time.
- Grant only the permissions that Chessis really needs and review them from time to time.
- Restart your phone after a big update if the app feels slow or freezes.
Device compatibility
Chessis works on phones and tablets running Android 5.0 or higher. Older devices may run it a little slower, so close background apps if you notice lag.
Is Chessis APK Safe to Use?
Chessis is the same app that is published on the official Google Play listing. Always download from a source you trust, keep your phone updated and scan files with a security app if you are unsure.
Looking for something similar? Browse our Board apps or discover more free Android apps.
Chessis FAQ: Common Questions Answered
Is Chessis APK free to download?
Yes. Chessis is free to download and use. Some features may offer optional in-app purchases.
What is the latest version of Chessis?
The latest version listed here is 21.5. It was last updated on October 8, 2026.
Which Android version does Chessis need?
Chessis needs Android 5.0 or newer to run properly.
How do I update Chessis?
Come back to this page for the newest file, download it and install it over the old version. Your data stays in place.
Final Thoughts on Chessis
If you want a reliable board app, Chessis APK is worth installing. Use the button above to get version 21.5 and enjoy everything Chessis has to offer.
