# Zenoku: Sudoku — No ads. Ever. Just puzzles. > Ad-free classic Sudoku with multiple difficulty levels and smart tools. (iPhone/iPad app by Omar Said.) - Source: https://appshunter.io/ios/app/zenoku-sudoku/id6793199614 (this page in markdown: same URL + `.md`) - Developer: [Omar Said](https://appshunter.io/developer/6787057184) - Category: Games, Puzzle - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 15.3 · 27 MB - Languages: American English - Released: 2026-07-22 - Data updated: 2026-08-18 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/zenoku-sudoku/id6793199614/reviews.md ## What is Zenoku? Zenoku is Sudoku the way it should be: beautiful, fast, and completely free of ads. No banners, no videos, no interruptions — ever. CLASSIC SUDOKU, BEAUTIFULLY INKED A crisp, newspaper-inspired design that stays out of your way. Every puzzle is generated with exactly one solution — you never have to guess. FIVE LEVELS, EASY TO EXTREME From relaxed morning solves to puzzles that demand real technique. Each level has its own rules for mistakes and hints. A NEW CHALLENGE EVERY DAY One daily puzzle, the same for every player in the world. Difficulty climbs through the week — build your streak and keep it alive. SMART TOOLS THAT KEEP UP WITH YOU • Pencil notes that clean themselves — place a number and it disappears from the notes of every related square • Tap any number to light up every copy on the board • Row, column, and box highlighting as you play • Undo, erase, and hints (they cost points — spend them wisely) COMPETE AND PROGRESS • Game Center leaderboards for every level — best score and best time • A milestones gallery full of goals to chase, with live progress • Lifetime statistics: win rates, best times, perfect games, streaks • Satisfying celebrations when you complete a row, column, or box MADE TO RESPECT YOU • No ads, no subscriptions, no paywalls — the whole game is free • No account, no sign-up — your progress lives on your device • No data collected. Period. • Works completely offline Pick up Zenoku for two minutes or two hours. The puzzle is waiting — and nothing else is. ## Key features - Ad-free gameplay - Five difficulty levels - Daily challenges - Smart note-taking tools - Lifetime statistics - Game Center leaderboards - Offline play ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/zenoku-sudoku/id6793199614/reviews.md ### 5/5 — No ads *2026-07-31* Love that there’s no ads, and it’s easy to use with a nice color scheme ## Frequently asked questions about Zenoku ### Does Zenoku have ads? No, Zenoku is completely free of ads. The developers emphasize an uninterrupted puzzle experience with no banners, videos, or interruptions. ### What are the difficulty levels in Zenoku? Zenoku offers five difficulty levels, ranging from Easy to Extreme. Each level has its own rules for mistakes and hints, catering to a wide range of player skills. ### Can I play Zenoku offline? Yes, Zenoku works completely offline. You can pick up a puzzle and play for any amount of time without needing an internet connection. ### How does the daily puzzle work in Zenoku? Zenoku features one daily puzzle that is the same for every player worldwide. The difficulty increases throughout the week, encouraging players to build and maintain a streak. ### What smart tools are available in Zenoku? Zenoku includes smart tools such as self-cleaning pencil notes, number highlighting to see all copies on the board, row/column/box highlighting, and undo/erase functions. Hints are also available but cost points. ### Does Zenoku require an account or sign-up? No, Zenoku does not require an account or sign-up. Your progress is saved locally on your device, and no personal data is collected. ### How does Zenoku compare to other Sudoku apps? Zenoku differentiates itself by offering a completely ad-free and subscription-free experience with a focus on a clean, classic design and robust offline functionality. ### What is the age rating for Zenoku? Zenoku has an age rating of 4+. This indicates it is suitable for young children and does not contain content generally considered inappropriate. ## Version history (last 3 releases) ### 1.2 — 2026-08-13 Hints, reimagined. Hints now walk you through the answer in three quick steps right on the board — the numbers doing the work, the block being scanned, and why only one square is left. The board stays fully visible the whole time. Sharper notes. Select any number and it stands out in bold everywhere you've noted it. ### 1.1 — 2026-07-28 Hints that teach. Every hint now explains the logic behind the answer — the scan or deduction that proves it — so you learn techniques instead of just filling squares. Sharper notes. Select any number and it stands out in bold everywhere you've noted it, making it easy to see which squares are still in play. ### 1.0 — 2026-07-22 No release notes. ## More apps by Omar Said - [Quran Study](https://appshunter.io/ios/app/quran-study/id6787057182) All apps by Omar Said: https://appshunter.io/developer/6787057184 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*