Killer Sudoku: Quick Notes

Focus on logic, not setup

Free · Designed for iPad. Not verified for macOS.

Fill all valid candidates in one tap, challenge friends to the exact same grid, and share polished spoiler-free result cards. Killer Sudoku: Quick Notes gets you to the logic faster. Fill every valid candidate in one tap without revealing the solution, then solve calm, adaptive Killer Sudoku grids at your pace. SOLVE AT YOUR PACE Choose from four difficulty levels, from a gentle introduction to a true Expert challenge. Difficulty adapts as you complete puzzles. ALL CANDIDATES IN ONE TAP Automatically add every valid candidate as a note. The app never reveals the answer — it simply removes the routine setup so you can focus on logic. QUICK INPUT Select a digit first, then place it across the grid with fast, precise taps. Quick input and note mode can be used together. EXPLORE DIFFERENT MOVES Save the exact board state as a Branch, try an idea, and return to it whenever you want. CHALLENGE FRIENDS Share a spoiler-free code and let a friend solve the exact same difficulty, cages, and starting grid. No answers are included. SHARE YOUR RESULT Create a polished result card with your time, mistakes, hints, streak, and challenge code using the iOS system share sheet. BUILT FOR FOCUS A calm, modern interface, clear cage sums, candidate highlighting, undo and redo, hints, statistics, themes, and automatic progress saving. Killer Sudoku: Quick Notes works offline and does not collect personal data.

  • This app hasn’t received enough ratings or reviews to display an overview.

• Challenge friends to the exact same puzzle with a spoiler-free code. • Share a polished result card with your time and streak. • All Candidates guidance is easier to discover. • Improved reliability and onboarding.

The developer, Dmitrii Kurbakov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    Dmitrii Kurbakov
    Size
    4 MB
    Category
    Puzzle
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and Russian
    Age Rating
    4+
    Copyright
    © 2026 Dmitrii Kurbakov