Dudoku vs Sudoku Labs
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Dudoku
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Train focus with calm, minimalist Sudoku — now with a massive 16×16 HEX, Literals mode, daily challenges and a rich rewards system. Master your focus. Elevate your mind. Dudoku is a clean, distraction-free puzzle app for thinkers who want challenge and calm. WHY DUDOKU? • Classic Sudoku (9×9) — perfect for daily practice and quick sessions. • HEX Challenge (16×16) — a deeper test of spatial logic for advanced players. • Literals Mode — swap numbers for letters for a fresh mental twist. • Smart tools — intelligent notes, auto-check, highlights that supports play without distractions. REWARDS, CHALLENGES & PROGRESSION • Daily Challenge — a unique puzzle every day and grow your streak. • Streaks & Leaderboards — track your consistency • Collectible Badges — unlock beautifully designed badges for milestones, streaks, difficulty achievements and special events. • Milestone System — move from “First Step” bronze to the prestigious “Grand Master” gold trophy as you improve. PLAY MODES & DIFFICULTY • Playground Mode — solve freely with unlimited mistakes. Experiment, learn patterns and relax without pressure. • Challenge Mode — only 3 mistakes allowed. A focused test of accuracy, discipline and logic. DIFFICULTY LEVELS IN EVERY MODE Each puzzle mode offers three difficulty levels: • Beginner — perfect for learning and casual play. • Experienced — balanced challenge for regular players. • Expert — dense logic, minimal clues, maximum focus. FULLY CUSTOMIZABLE EXPERIENCE Play the way you prefer: • Enable or disable the timer. • Toggle number/letter highlights on the board. • Turn animations on or off. • Create a clean, paper-like experience with minimal visual aids — or keep smart assistance enabled. PREMIUM TRIAL & FEATURES Start 3-day Premium trial for uninterrupted focus: • Ad-free experience • Unlimited puzzles across all modes • Full access to advanced features and smart tools PERFECT FOR EVERY SESSION Quick brain boosts on the commute, focused practice during breaks, or deep sessions when you want to push your limits. Download Dudoku — sharpen your logic, collect badges, build a streak, and enjoy a quieter, smarter puzzle experience.Train focus with calm, minimalist Sudoku — now with a massive 16×16 HEX, Literals mode, daily challenges and a rich rewards system. Start a 3-day Premium trial. Privacy Policy: https://greenbisonstudio.web.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Sudoku Labs
Enjoy a clean, fast, and distraction-free Sudoku experience with daily puzzles across six difficulty levels. Features include smart notes, conflict highlighting, and unlimited undo. Play offline with no ads or accounts required.
- Six difficulty tiers
- Global daily puzzle
- Smart pencil notes
- Conflict highlighting
- Unlimited undo/redo
- Offline play
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Sudoku Labs is built for players who want clean, fast, distraction-free Sudoku. No ads. No accounts. No subscriptions. Just pure Sudoku. • Six difficulty tiers: Very Easy, Easy, Medium, Hard, Expert (Premium) and Extreme (Premium) • One global daily puzzle — the same challenge for everyone, every day • Smart pencil notes • Conflict highlighting • Optional mistake detection • Unlimited undo/redo • Offline play — no internet required • Puzzle history library Premium unlock gives you: • Expert & Extreme difficulty • +2 hints per difficulty • Increased mistake allowance • One-time purchase — no subscription, ever • Support independent development — no subscriptions, ever. Designed for focus. Built for performance. If you love Sudoku without clutter, this is your app.
Screenshots
Verdict
The clearest difference is ads: Sudoku Labs at none against Dudoku's shown. Dudoku's advantage is update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Dudoku sells 2 in-app purchases, starting at $3.99 per month and Sudoku Labs sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Dudoku ships an update every 2 days, Sudoku Labs weekly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | Dudoku | Sudoku Labs |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 days — better | Weekly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 18 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Konstanty Koszewski | Justin van Wijngaarden |
In-app purchases
Dudoku
- Dudoku Monthly Premium$3.991 Month
- Dudoku Yearly Premium3 Days trial$19.991 Year
Sudoku Labs
- Sudoku Labs$3.99








