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Sudoku by WizusLabs
Classic and killer sudoku. Offline. Calm.
v1.0.0+17 · ios + android · offline-first
What it does
Sudoku is Sudoku. This one is the classic nine-by-nine grid, plus killer variants, plus a daily challenge. Every puzzle has exactly one solution and no fewer than seventeen given cells. The generator has been audited against the full correctness suite — no malformed puzzles ship.
The app is offline-first. Puzzles are generated on device; your progress is saved locally; no account is required. A mistake counter is on by default and can be turned off in settings. Auto-clear of wrong entries is optional. Hints are available, with a monthly token budget for free players and unlimited hints for Pro.
Pro is optional. Two tiers: a yearly subscription and a one-time lifetime purchase. Pro removes ads and ad-supported friction, includes unlimited hints, and turns off the mistake cap. The Daily Challenge is free for everyone.
We do not make cognitive improvement claims. Sudoku is Sudoku.
Shipped by
- 2026-04-23 · Wizus Bridge · Scout's market research, Blueprint's BLoC architecture and pure-Dart puzzle engine, Mint's two-tier Pro economy.
- 2026-04-23 · Wizus Atelier · Canvas's minimal design system, Ludus's difficulty grading across easy-to-expert, Muse's calm voice, Echo's zen feedback sounds.
- 2026-04-23 · Wizus Workshop · Horizon wrote the Flutter/BLoC implementation; the puzzle engine is pure Dart, by contract.
- 2026-04-23 · Wizus Foundry · Babel localized every string; Atlas owns the fastlane lanes for both stores; Chronicle wrote this page.
- 2026-04-23 · Wizus Gate · Sentinel audits puzzle correctness every sprint; Vector verified every store-required URL before submission; Courier ran the Play Console and App Store Connect uploads.