MultiSudoku vs Equation =
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
MultiSudoku
This app offers a variety of challenging Sudoku puzzles with different overlapping grid configurations. It provides a no-ads gaming experience with features to help track progress and sharpen logic skills. Enjoy hours of intellectual challenge with continuously updating content.
- Multiple Samurai Sudoku variations
- Progress previews for all puzzles
- Weekly bonus free puzzle
- No ads
- Unlimited hints and undo
- Dark Mode support
- iCloud backup and restore
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Play six different Samurai Sudoku variations in a single app! Start with the easier 2-Grid puzzles and advance all the way to the huge challenging 8-Grid puzzles. Each variation has a different overlapping grid configuration and provides a unique twist of brain challenging logic. With its diverse variations and straightforward no-frills game design, MultiSudoku brings a new dimension to Sudoku mobile gaming - on both iPad and iPhone. To help see the puzzle progress, graphic previews in the puzzle list show the progress of all puzzles in a volume as they are being solved. A Gallery view option provides these previews in a larger format. For more fun, MultiSudoku contains no ads and includes a Weekly Bonus section providing an extra free puzzle each week. PUZZLE FEATURES • 104 free MultiSudoku puzzles • Variations include puzzles with 2, 3, 4, 5 and 8 overlapping grids • 2-Grid Combo variation combines Diagonal, Irregular and OddEven puzzles • Extra bonus puzzle published free each week • Multiple difficulty levels from easy to hard • Puzzle library continuously updates with new content • Manually selected, top quality puzzles • Unique solution for each puzzle • Hours of intellectual challenge and fun • Sharpens logic and improves cognitive skills GAMING FEATURES • No ads • Unlimited check puzzle • Unlimited hints • Show conflicts during gameplay • Unlimited Undo and Redo • Pencilmarks feature for solving hard puzzles • Autofill pencilmarks mode • Highlight Excluded Squares option • Lock number on keypad option • Concurrently playing and saving multiple puzzles • Puzzle filtering, sorting and archiving options • Dark Mode support • Graphic previews showing puzzles progress as they are being solved • Portrait and landscape screen support (iPad only) • Track puzzle solving times • Backup & restore puzzle progress to iCloud ABOUT MultiSudoku have also become popular under other names such as Samurai Sudoku, Combined Sudoku and Gattai Nanpure. All puzzles in this app are produced by Conceptis Ltd. - the leading supplier of logic puzzles to printed and electronic gaming media all over the world. On average, more than 20 million Conceptis puzzles are solved each day in newspapers, magazines, books and online as well as on smartphones and tablets across the world. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.conceptispuzzles.com/index.aspx?uri=info/doc/220
Equation =
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Equation: Math Puzzle Game Challenge your mind with this addictive math puzzle game. Tap numbers and operators to create valid equations. Simple yet engaging, Equation helps sharpen your mental math skills while having fun. Perfect for all ages and math enthusiasts. Download now and start solving! Key Features: • Intuitive tap-to-solve gameplay • Improve mental math skills • Suitable for all ages • Clean, minimalist design Exercise your brain with Equation today!
Screenshots
Verdict
The clearest difference is in-app purchases: Equation = at none against MultiSudoku's 26. Equation = also leads on iOS requirement (13.0 vs 15.6). MultiSudoku's advantage is ads (none vs shown). On price, update cadence 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. MultiSudoku sells 26 one-off in-app purchases. Equation = asks for nothing beyond the download.
MultiSudoku ships an update every 3 months, Equation = every 5 months. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.
| Parameter | MultiSudoku | Equation = |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (2.4K ratings) — better | — |
| Positive reviews | 93.1% of reviews | — |
| Number of ratings | 2.4K — better | — |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 91 MB |
| Age rating | 4+ | 4+ |
| Developer | Conceptis Ltd. | Beijing Ningdom Technology Co., Ltd. |
Bugs and requests
MultiSudoku
Reported bugs
1 issue- Occasional errors in puzzle setup
Requested features
3 requests- Dark mode option
- Ability to compare times with other players
- More free puzzles or lower-cost puzzle packs
Equation =
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MultiSudoku
- 2-Grid Easy 1$0.99
- 3-Grid Easy 1$0.99
- 3-Grid Hard 1$1.99
Show 23 moreShow fewer
- 3-Grid Medium 1$1.99
- Mixed-Grid - Easy 1$1.99
- 3-Gird Hard 16$1.99
- 2-Grid Hard 1$1.99
- 4-Grid Hard 1$2.99
- Mixed-Grid - Hard 1$2.99
- Mixed-Grid - Medium 1$2.99
- Mixed-Grid - Hard 2$2.99
- 2-Grid Combo - Very Hard 1$2.99
- Mixed-Grid Hard 27$2.99
- Mixed-Grid - Hard 4$2.99
- Mixed-Grid - Medium 2$2.99
- 2-Grid Combo - Very Hard 15$2.99
- 2-Grid Combo - Very Hard 14$2.99
- 2-Grid Combo - Hard 14$2.99
- Mixed-Grid - Hard 28$2.99
- Mixed-Grid - Hard 3$2.99
- 5-Grid Medium 1$3.99
- 5-Grid Hard 1$3.99
- 5-Grid Hard 2$3.99
- 5-Grid Hard 27$3.99
- 5-Grid Hard 30$3.99
- 8-Grid Hard 2$4.99
Equation =
No in-app purchases









