Chessis: Chess Analysis app icon

Chessis: Chess Analysis

Analyze your games with Stockfish 18, learn from mistakes & play smart bots

Chess Improvement Apps · com.chessimprovement.chessis

Not rated yet 1M+ downloads v21.5 14 MB Android 5.0+ PEGI 3 · Everyone

At a glance

Latest version
v21.5 (215)
Updated
Sep 9, 2026 (29 days ago)
APK size
14 MB
Requires
Android 5.0+ (API 21)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category
Board (game)
Listed since
Jul 22, 2026 (at least)
Permissions
17 (3 sensitive)
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Chessis: Chess Analysis is a game by Chess Improvement Apps in the Board category, listed since at least July 2026. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 17 permissions, 3 of them sensitive: Bluetooth advertise, Bluetooth connect and Bluetooth scan. The game offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v21.5

🔧 Fixes in this update • Bots always play a move that matches their strength, even when the engine is busy. • A second message no longer disappears when two appear at once. • The game name and notes you type are kept while the save screen reloads. • More small fixes and stability improvements. ✨ Recent updates also included: • Stockfish 19 — the newest engine for analysis and bots • Opening Explorer — see what strong players play in your position, fully offline

Description

From the listing uploaded by “superpocket”.

Chessis is one of the best chess analysis apps for Android. It turns every game into a chess lesson: analyze your games with the latest Stockfish engine, get a full game report with Blunders, Missed Wins and Best Moves and see not just where you went wrong, but WHY. Trusted by over 1,000,000 chess players. ♟️ GAME REVIEW LIKE A COACH ✔️ 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 ✔️ 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 🤖 PLAY HUMAN-LIKE BOTS ✔️ 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 ✔️ Play casually or on the clock 📚 LEARN OPENINGS & TRAPS ✔️ Explore all chess openings with names and main lines ✔️ Trap training: practice famous opening traps until they stick 🛠 POWERFUL ANALYSIS TOOLS ✔️ Stockfish 18 — the strongest chess engine in the world ✔️ Multiple engine lines, threat arrows, and blunder detection ✔️ Board editor with live evaluation bar ✔️ Games database with FEN search and annotated PGN export ✔️ Chess960 (Fischer Random) support ✔️ Engine vs Engine matches — watch engines battle ✔️ Works with Chessnut electronic boards 🎨 Beautiful board themes and pieces · 🌍 14 languages · ☁️ Google Drive backup Most features are free. Chessis Pro supports development and adds: ✔️ Unlimited game analysis ✔️ Deep analysis with higher depth and NNUE ✔️ Unlimited engine lines and playable engine lines ✔️ Mistake alerts and move strength while playing ✔️ "Why Blunder" lines ✔️ No ads Questions or suggestions? Email us at [email protected] — we read everything. Let's analyze chess with Chessis!

Security & authenticity

Security rating: Trusted

Signing certificate

  • Certificate issued to “zph-mph” Not the developer's name (“Chess Improvement Apps”). Names in certificates can't be verified, so this alone proves nothing.

Store checks and file details

  • Developer signature under review Sep 9, 2026
  • Signed byCN=Jx Clarynx, O=zph-mph, OU=anon.org, L=Caraga, ST=Surigao Del Norte, C=8609
  • Signing certificate (SHA-1)7D:64:F9:C2:53:C7:EF:35:A0:72:0F:6F:8A:80:2B:D4:B9:20:AA:3A
  • File MD59df8fe44505001cf00ae799a4249b499
  • Uploaded by “superpocket” Silver tier · 5,272 followers · uploading since 2016

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (17)

Chessis: Chess Analysis requests 17 permissions, 3 of them sensitive.

Required hardware & features

Chessis: Chess Analysis APK: questions and answers

Can I install this APK over the version I already have?

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is Chessis: Chess Analysis free?

The APK is free to download, but the game offers in-app purchases through Google Play.

Is the Chessis: Chess Analysis APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is 9df8fe44505001cf00ae799a4249b499.

Tags

More Board games