Σ-Sigma
for Killer Sudoku Expert
$0.99 · Designed for iPad. Not verified for macOS.
Solve Killer Sudoku cages faster. Instantly see all combinations with sum input and filters. Supports the 45 rule for efficient logical solving.
Σ is a logic support tool designed for solving Killer Sudoku cages.
Enter the target sum, number of cells, excluded digits, and required digits. The app instantly generates all valid combinations that match your conditions. No more manual calculations—focus on logic and move forward efficiently.
■ Key Features
• Generate combinations from cell count and sum
• Filter using excluded and required digits
• View all possible sets instantly
• Support for the 45 rule (total sum strategy)
• Clean and intuitive interface
■ Who it’s for
• Killer Sudoku players
• Advanced puzzle solvers
• Anyone who prefers logical deduction over guesswork
■ Concept
Σ is not a solver.
It is a thinking tool.
It clears your view, organizes possibilities, and helps you focus on logic.
Handle complex cages with confidence.
See all options at once and find the shortest path to the solution.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Hiroe Oshimura, 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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Hiroe Oshimura
- Size
- 19 MB
- Category
- Puzzle
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © なし
