PolyFill vs Sudoku Classic Game
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
PolyFill
A brain-training puzzle game where you race against the clock to assemble geometric shapes. Earn points based on difficulty and speed, and compete on leaderboards. Unlock additional complexity and scoring through optional in-app purchases.
- Brain-training puzzles
- Timed challenges
- Geometric shape assembly
- Scoring based on difficulty and time
- Game Center leaderboards
- Achievement awards
- In-app purchases for complexity
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Exercise your brain by racing against the clock to build different geometric shapes from assorted puzzle pieces. Points are awarded based on degree of difficulty and time taken to complete the puzzle. Optionally logging into Game Center allows you to publish your score to a leaderboard and earn achievement awards. Additional game complexity and scoring opportunity can be purchased from within the game.
Sudoku Classic Game
This classic number puzzle game offers a pure, instant fun experience for all skill levels. Train your brain, relax, or kill time with logic-based challenges that can be played offline. Features include hints, auto-check, and unlimited undos.
- Multiple difficulty levels
- Hints and auto-check
- Unlimited undos
- Offline play
- Auto-save progress
- Highlighting for rows, columns, and duplicates
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Beginners and advanced players will enjoy this classic sudoku game. Whether you want to relax or to keep your mind active, the sudoku free puzzle game will help you do both. Take a short break to stimulate your mind or clear your mind! Carry your favourite number game around with you at all times. ◆ PURE, INSTANT FUN ◆ No registration, no complicated rules. Just start playing and have fun! The best way to start your day is with a daily sudoku puzzle! 1 or 2 classic sudoku puzzles can help you wake up, stimulate your mind, and prepare you for a fruitful working day. Classic Sudoku game is the best puzzle game for your brain, logical thinking and memory. Install sudoku free app to start playing now! Sudoku is a traditional brain game that can be played anywhere, at any time. ◆ Why is it worth playing? ◆ ◆ TRAIN your mind by completing levels that increase in difficulty over time and require skills and thinking to be completed. ◆ RELAX and relieve your stress by playing a game that stimulates your mind. ◆ BEST time killer! If you need to wait for a train, a bus, or in a place with no internet, or perhaps you have some time with nothing to do, then this game is what you need! Classic Sudoku is a logic-based puzzle game in which the goal is to enter numbers from 1 to 9 into each grid cell so that each number appears only once in each row, column, and mini-grid. This free sudoku puzzle on your phone is just as good as playing with a real pencil and paper & can be played without having to be connected to the internet. The NICMIT Sudoku mobile game is ideal for all levels of players, including beginners and advanced gamers, with 4 levels of difficulty to choose from: Easy, Medium, Hard, Expert. ◆ Sudoku Classic Game Features: ◆ ◆ The row, column, and box relevant to the selected cell are highlighted. ◆ Try to figure out the mistakes on your own, or use auto-check to see any errors as you go. ◆ The duplicates are highlighted to avoid repeating numbers in a row, column, and block. ◆ Unlimited Undos. Made a mistake? Or accidentally have the same numbers match in a row while solving a sudoku puzzle game? Just put it back quickly! ◆ Support both phones and tablets ◆ Simple and intuitive design Looking for a strategy family game? Download Sudoku Classic Game game! This is the perfect family strategy game and will help you spend quality time with your family. Hints, auto-check, and highlight duplicates are some of the features in our free sudoku puzzle games. Whether you're solving your first sudoku puzzle or have progressed to expert difficulty, you'll find everything you need to complete any level. Therefore you can play at any difficulty level you like! ◆ Why to chose this sudoku puzzle game? ◆ ◆ Hints --> To assist you when you get stuck on free sudoku puzzles ◆ Auto-save --> The game will be saved if you leave it before you finish it. Then you can continue the sudoku puzzle game at any moment. ◆ Notes --> Turn on notes option to take notes just like you would on paper. Each time you fill in a cell on sudoku puzzle grid, notes are automatically updated! ◆ Eraser --> Remove any errors in the free sudoku games ◆ Statistics --> Analyse your best time and other stats for each level of difficulty in the sudoku game. Are you a Sudoku fan? Do you want a more difficult Sudoku game? Then this game is ideal for you. Sudoku is a popular number-based puzzle game that can help you train your brain. Solve daily sudoku puzzles and have a good time! You will never get bored with this free and pleasant Sudoku Classic Game game. It's the greatest method for developing your brain while killing your spare time! DOWNLOAD AND PLAY!
Screenshots
Verdict
The clearest difference is rating: Sudoku Classic Game at 5.0 against PolyFill's 2.3. PolyFill's advantage is ratings volume (3 vs 1). On price, update cadence, ads and in-app purchases 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. PolyFill sells 3 one-off in-app purchases and Sudoku Classic Game sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Sudoku Classic Game holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
PolyFill ships an update every 6 months, Sudoku Classic Game every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | PolyFill | Sudoku Classic Game |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 6 months | Every 3 months — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 104 MB |
| Age rating | 17+ | 4+ |
| Developer | Kelly Technology Inc. | NICMIT |
Customer experience
PolyFill
Sudoku Classic Game
In-app purchases
PolyFill
- Remove ads.$1.99
- Unlock level 2$1.99
- Unlock level 3$1.99
Sudoku Classic Game
- 10 Hints$0.99
- Remove Ads$1.99
- 50 Hints$1.99
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- 250 Hints$3.99









