Learn with an explanation
Follow a narrated, animated lesson with the important units highlighted and every line of narration kept visible on screen.
All games
Guided lessons · Pressure-free play
Sudoku Personal Trainer
Sudoku Personal Trainer is an offline-first iPhone and iPad app that teaches you how to recognize and apply human solving techniques. Move from a narrated lesson to focused practice, then use what you learned in a complete puzzle—without scores, lives, or mistake caps.
In active developmentiPhoneiPadOffline-first
ExperienceLearn · Practice · Play
First lessonNaked single
PressureNone
How it helps
Learn the pattern, then make it yours.
Each mode supports a different part of learning: understanding a technique, recognizing it yourself, and applying it in a full puzzle.
Practice without pressure
Work through focused examples, use notes, and ask for an explanation whenever you want one. Nothing is counted against you.
Apply it in Free Play
Solve complete Easy through Expert puzzles with notes and optional teaching help—offline, with no timer, score, or leaderboard.
Product overview
A trainer that respects the joy of solving.
The current overview covers the teaching approach, the three training modes, the first explainable deduction, and the app’s pressure-free product principles.