ChessIs is a Chess Analysis app with Stockfish 14 + NNUE that allows you to
✔️ Analyze your games and get game reports like chess.com
✔️ 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
✔️Analyze your chess games from chess.com or Lichess
✔️ Export Annotated Pgn
✔️ Adjust "Game Report Depth"

ChessIs is one of the best Chess Analyzer app. It helps you to improve your chess by analyzing your games and providing you 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 give you the best experience we don't show any ads but to support the app we offer a Pro version with some extra benefits. The pro version is affordable and a one-time payment so you don't have to pay monthly or yearly, just pay once and get the pro version forever.

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"
✔️ Deep Analysis
Note: Deep analysis provides much more accurate and consistent results compare to quick analysis.