Best chess apps to prepare for over-the-board games
You play in-person tournaments and need analysis, scanning of physical games, and opponent prep tools.
ChessBase
ChessBase GmbH
The professional's database and analysis suite.
Chessify
Chessify AI
Cloud-powered Stockfish analysis on your phone.

Chessnut Air
Pendo Technology Ltd. (Chessnut)
Affordable electronic board with multi-app support.
Chessvision.ai
Chessvision.ai
Point your camera at any board — get instant analysis.
Noctie.ai
Noctie.ai
AI opponents that play like humans do.

Square Off
Infivention / Emotix (Square Off, Inc.)
Robotic auto-move chessboard with online integration.
Chess Position Trainer
Stefan Renzewitz
Veteran flash-card repertoire trainer for desktop.

Scid vs. PC
Steven Atkinson and contributors
Open-source database and analysis powerhouse.
Chess.com
Chess.com, LLC
The default home of online chess.
Lichess
Lichess (non-profit)
Free, open-source chess. Forever.