ABCx3 vs Killer Sudoku
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
ABCx3
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ABCx3 is a next-generation multiplayer word game built around creativity and communities. Create custom game boards, join tournaments, vote for favorite designs, and play with friends on endlessly unique boards created by players around the world. Features: โข Multiplayer games with up to 8 players โข Communities with tournaments and shared boards โข Board design contests and community voting โข Powerful custom board editor โข AI opponents โข Support for 34 languages โข No ads โข Free to play Create your own way to play. Premium subscriptions unlock additional features, but the full game can be enjoyed for free.
Killer Sudoku
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Killer Sudoku Brain Puzzle is built for players who enjoy logic-first puzzle solving and a challenge that feels a little more demanding than regular sudoku. By combining classic sudoku rules with cage sum clues, each puzzle becomes deeper, more thoughtful, and more satisfying to solve. The experience stays clean and readable, while the puzzle design rewards careful thinking instead of guesswork. Features: - Clean killer sudoku gameplay - Classic number logic with cage sum rules - Multiple difficulty levels from Easy to Expert - Helpful hints for difficult moments - Smooth input and focused puzzle flow - Bright and dark themes for comfortable play Whether you play for a few minutes of daily brain training or settle in for a longer session, Killer Sudoku Brain Puzzle delivers a calm but rewarding logic challenge. If you enjoy sudoku, number puzzles, brain games, and smart daily challenges, this is a puzzle you will want to keep coming back to. Train your logic. Stay focused. Clear the board.
Screenshots
Verdict
The clearest difference is ads: ABCx3 at none against Killer Sudoku's shown. ABCx3 also leads on update cadence (every 2 days vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. ABCx3 sells 5 in-app purchases, starting at $0.99 per month and Killer Sudoku sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ABCx3 ships an update every 2 days, Killer Sudoku every 3 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.
| Parameter | ABCx3 | Killer Sudoku |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days โ better | Every 3 months |
| Ads | No โ better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod, Mac โ better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 139 MB | 131 MB |
| Age rating | 4+ | 4+ |
| Developer | AB Cx3 | SyGame |
In-app purchases
ABCx3
- Premium Monthly$0.991 Month
- Premium$7.491 Year
- 10 Game Board Credits$0.99
- 30 Game Board Credits$1.99
- 100 Game Board Credits$5.99
Killer Sudoku
- Remove Ads$9.99









