Attendance Tracker: Class Log vs Maestro chess

Attendance Tracker: Class Log

A private lesson ledger for independent tutors, teachers and coaches. Organize clients and groups, schedule lessons, record attendance and cancellations, and track prepaid credits and makeup balances. Keep a correction history and share per-client statements as text, CSV or PDF. Works locally on iPhone and iPad without an account.

Maestro chess

Maestro finds the chess mistakes you keep repeating and trains them out of your game. Enter your Chess.com or Lichess username and a free scan analyses your last 12 games with Stockfish 18, right in your browser, in about a minute and with no sign-up. It names the habit costing you the most, then turns your own mistakes into puzzles that come back on a schedule until they stop happening.