Gridwell: Sudoku & Killer
Gridwell: Sudoku & Killer is made and published by Nathan Edkin. AppBrain is an independent app data site and isn't affiliated with Nathan Edkin. The app name, icon, screenshots and description belong to Nathan Edkin and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- July 2, 2026
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Releases
Updates seen on the App Store- Version
- 1.0
- Launched
- July 2026
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 1.18 MB
- Content rating
- Everyone
Technologies used by Gridwell: Sudoku & Killer
About the app and developer
About Gridwell: Sudoku & Killer
Gridwell: Sudoku & Killer is a games app developed by Nathan Edkin.
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App Information
Gridwell: Sudoku & Killer is freely available from the App Store. The app size is 1.18 MB. The latest version available is 1.0. The last update was on July 2, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since July 2026.
Developer information for Nathan Edkin
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Store listing
By Nathan Edkin, from the App Store
Description by Nathan Edkin Written by the developer, not by AppBrain. Click to read.
Most apps hand you the answer when you're stuck. Gridwell teaches you the technique instead — it shows you the next logical step and names the strategy behind it, so you learn to spot it yourself next time. Every puzzle is solvable by pure logic. No guessing, ever.
CLASSIC & KILLER SUDOKU
• Hand-crafted Classic Sudoku across four difficulties: Easy, Medium, Hard, and Expert
• Killer Sudoku with cage sums for a deeper challenge
• Every puzzle is guaranteed to have one solution and to be solvable by logic alone
HINTS THAT TEACH
• Stuck? Get a hint that explains the actual solving technique — naked singles, hidden singles, and beyond
• Learn the "why," not just the "what"
• Three free hints on every puzzle
BUILT FOR FOCUS
• Clean, distraction-free board
• Smart highlighting for rows, columns, boxes, matching numbers, and conflicts
• Pencil marks with optional auto-clear
• Undo, erase, and a gentle nudge when you slip
• Beautiful themes, custom accent colors, and full light/dark support
PRIVATE BY DESIGN
• 100% offline — play anywhere, no connection needed
• No ads. No tracking. No accounts. No data collected.
• Your progress stays on your device, always
GRIDWELL PREMIUM
Unlock once, keep forever:
• Unlimited teaching hints
• Premium themes and custom colors
One simple purchase. No subscription. No ads — not now, not ever.
Download Gridwell and start solving smarter.