Sudoku vs AtomicWord
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku
Engage your logic and memory with this classic number-placement puzzle game. It offers multiple difficulty levels, helpful tools like hints and undo, and daily challenges to sharpen your skills. Enjoy a relaxing yet mentally stimulating experience on your phone or tablet.
- Daily and My Challenges
- 4 difficulty levels
- Highlighting of selected numbers and related cells
- Hint and Intelligent Hint functions
- Error Cap and Automatic Error-Checking
- Unlimited Undo/Redo
- Autosave incomplete games
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Classic sudoku game now can be played on your phone and tablet. Sudoku is a logic number-placement puzzle game. To win a sudoku game, you need to fill the 9×9 grid with numbers so that there will be no repetitive number in each row, each column and each 3×3 sub-grid, namely numbers 1-9 will only appear once in each row, column or sub-grid. Also, it is a relaxing causal game, but it requires your focus to figure out the solution. Therefore, sudoku will help you exercise your brain and memory because you need to think and utilize your logic when you are playing sudoku. Our sudoku is committed to improve your game experience. It has 4 levels of difficulty for players with different capabilities of sudoku, from beginners to masters on sudoku. Also, it has various functions to help you win the game, such as Hint, Undo/Redo, Take Notes, etc. Moreover, you can practice your skills and challenge yourself by playing Daily Challenge and My Challenge. We are sure you can have great fun and better game experience when you are playing our sudoku. Now, download Aged Sudoku and start figuring out solutions to every puzzle! Features: - Daily Challenge & My Challenge: you can challenge every day to practice your skills of playing sudoku - 4 levels of difficulty - Highlighting: selected number, row, column, sub-grid and other same numbers will be highlighted when one of the cells is selected - Hint: when there is a single solution in the game, you can click Hint and then it will automatically fill the cell with answer - Intelligent hint: when you select the last empty cell in a row, column or sub-grid, you will be reminded of the answer - Error Cap: turn on/off mistake limit - The quantity of remaining numbers is provided - Hide numbers which have used up - Unlimited chances of Undo/Redo - Automatic Error-Checking: when you fill with a wrong answer, it will automatically undo your answer - Autosave incomplete game - Multiple background and appearance styles you can choose - Multiple language choices [Auto Renewable Ads Removal Subscription] ▸ Subscription Service: Remove the ads + Unlimited Hints ▸ Subscription Payment: Once you confirm the payment, you can find the record in your iTunes Account ▸ Subscription Cancelation: Go to “Setting” -> “iTunes Store and App Store” -> “Apple Id”-> ”View Apple Id”-> “Account Setting” -> “Subscription” You have to cancel the subscription 24 hours before the end of previous subscription ▸ Term of Use: https://sudoku.club/terms-of-use ▸ Privacy Policy: https://sudoku.club/privacy-policy
AtomicWord
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How many words can you guess from their definition alone? AtomicWord is a quick, addictive word game: read the definition, type the word and earn coins. Every 5 words you level up and the challenge gets harder. DAILY CHALLENGE A new word every day. Keep your streak going and earn extra rewards. PARTY MODE Play with friends: live, each on their own phone with a code, or passing one phone around, no internet needed. RANKINGS AND FRIENDS Pick a nickname and compare your points with the world, your country and your friends. SMART HINTS Stuck? Ask for another definition or reveal a letter. From level 20 on, words come with their hard definition. MODERN DESIGN Smooth animations, sounds, haptics and an interface made for one-handed play. THOUSANDS OF WORDS Over 2,000 words in English, over 2,000 in Spanish and 2,000 in Portuguese, each with three definitions. New content arrives without updating the app. No sign-up: just open and play. Works offline with the words already downloaded. Free to play. The game includes ads. Play in English, Spanish or Portuguese, and put your vocabulary to the test!
Screenshots
Verdict
The clearest difference is update cadence: AtomicWord at weekly against Sudoku's every 5 weeks. Sudoku's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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. Sudoku sells 3 in-app purchases, starting at $0.99 per month and AtomicWord sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Sudoku ships an update every 5 weeks, AtomicWord weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Sudoku | AtomicWord |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (659 ratings) — better | — |
| Positive reviews | 50.3% of reviews | — |
| Number of ratings | 659 — better | — |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 136 MB | 30 MB |
| Age rating | 12+ | 12+ |
| Developer | Aged Studio Limited | JOSE ANTONIO CARDOZO OLDENBURG |
Bugs and requests
Sudoku
Reported bugs
3 issues- Ads cause app to freeze or crash
- Subscription issues with ad removal
- Incorrect difficulty level labeling
Requested features
4 requests- Landscape mode support
- Auto-fill candidate numbers
- More advanced difficulty levels
- Customizable UI and themes
AtomicWord
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sudoku
- Remove Ads - 1 Month$0.991 Month
- Remove Ads - 3 Months$2.493 Months
- Remove All Ads - 1 Year$8.491 Year
AtomicWord
- 10 Antimatter$0.99
- Welcome Pack$1.99
- Remove Ads$2.99
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- 55 Antimatter$4.99
- 120 Antimatter$9.99
- 300 Antimatéria$19.99









