Number Sum Puzzle vs Regnum (Crown Logic Game)
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Number Sum Puzzle
This logic puzzle game challenges your brain with number sums. Arrange numbers in a grid so rows and columns match target sums. Enjoy handcrafted puzzles with no timers or pressure, perfect for a calm, focused mental workout.
- Number sum grid puzzles
- Handcrafted unique solutions
- No timers or pressure
- Offline play
- Daily brain workout
- Dark mode support
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Challenge your brain with Sum Puzzle — the addictive number sums math puzzle loved by fans of Sudoku, Kakuro, and Nonogram. Remove numbers from the grid so the remaining values in each row and column add up exactly to the target sums on the edges. Simple rules. Infinite "aha!" moments. Every puzzle is handcrafted with one unique solution. No timers. No pressure. No mid-puzzle ads. Just pure logic and mental math — the perfect brain game for puzzle lovers who want a calm, focused challenge. HOW TO PLAY SUM PUZZLE • Each grid shows numbers with target sums displayed along the right side and the bottom. • Tap the check button to circle a number (marks it as kept in the sum). • Tap the erase button to remove a number from the grid. • Your goal: make every row and every column reach its exact target sum at the same time. • Every puzzle has one — and only one — correct solution. Can you find it? It sounds simple, but the deeper you go, the more you'll appreciate the elegant logic behind every layout. Start with a 3x3 warm-up, work your way to a 10x10 boss-level grid, and feel your mental math sharpen along the way. KEY FEATURES • Levels for Everyone — From quick 3x3 grids for complete beginners to sprawling 10x10 challenges for seasoned math puzzle experts. • Daily Brain Workout — Make it a daily habit. Sharpen focus, arithmetic speed, and pattern recognition a few minutes at a time. • Zero Mid-Puzzle Ads — We respect your concentration. Solve in peace. No interstitials pop up to break your flow. • Fully Offline — Play anywhere, anytime. No internet, no account, no sign-in. Perfect for flights, subways, and waiting rooms. • Dark-Mode Friendly — Sleek, minimalist design that's easy on the eyes day or night. Perfect for late-night brain training. • Handcrafted Puzzles — Every single level is hand-designed and verified for a unique, elegant solution. No auto-generated filler. • Endless Replay Value — Hundreds of logic puzzles with more added in regular updates. WHY YOU'LL LOVE SUM PUZZLE • Relax and Sharpen Your Mind — Stress-free gameplay built for calm focus. No timers. No streak shaming. No pay-to-win. Just pure logic. • Improve Mental Math — A natural workout for arithmetic speed, logical deduction, and pattern recognition. A real brain game, not a gimmick. • The Ultimate "Aha!" Moment — Feel that satisfying click when every number finally locks into place. • The Perfect Commute Companion — Fully offline puzzles for planes, trains, subways, and waiting rooms. No signal needed. • Kid-Friendly and Adult-Approved — Great for students learning arithmetic and adults looking for a mindful screen break. LOVE SUDOKU, KAKURO, OR NONOGRAM? If you enjoy logic puzzles like Sudoku, Kakuro (a.k.a. cross sums), or Nonogram, Sum Puzzle will feel instantly familiar — but with a fresh twist. It's the math puzzle game you didn't know you needed: simpler to learn than Kakuro, more satisfying than endless Sudoku grids, and more portable than pen and paper. WHO IT'S FOR • Puzzle lovers hunting for a fresh daily brain game • Students practicing mental math and arithmetic • Adults looking for a relaxing, screen-time-worthy brain workout • Commuters who want a real offline puzzle game • Sudoku and Kakuro fans searching for their next number puzzle obsession Whether you want a serious math challenge or a relaxing way to unwind, Sum Puzzle makes every number count. Every solve is a small victory for your brain. Download Sum Puzzle now — your next favorite number sums math puzzle game is waiting. No ads interrupt your solve. No internet required. Just logic, numbers, and your next "aha!" moment. -------------------- ■ Terms of Use -------------------- By downloading or using this app, you agree to our Terms of Use (End User License Agreement). This app uses Apple's standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Regnum (Crown Logic Game)
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Place one crown in every row, every column, and every colored region without letting any two crowns touch. Simple rules. Pure logic. No guessing required. Each puzzle has a unique solution you can reach through careful deduction alone. Start with the regions that leave only one option, eliminate the impossible, and watch the grid click into place one crown at a time. 1,000+ puzzles across four difficulty tiers. Grids grow from a compact 4×4 all the way up to a demanding 12×12, each size introducing new spatial challenges that keep your mind genuinely sharp. *Daily Challenge A fresh puzzle arrives every day at midnight the same one for every player worldwide. Solve it, record your time, and come back tomorrow. -Features 1,000 puzzles: Easy, Medium, Hard, and Expert difficulty Daily Challenge: one new puzzle every day, same for everyone Grids from 4×4 to 12×12 gradual, satisfying progression Tap to mark, tap again to place a crown or long-press for direct placement Drag along rows and columns to eliminate possibilities quickly Undo, hints, and reset play entirely at your own pace 3-star rating per puzzle: solve clean and fast for a perfect score No account or internet connection required to play -How to Play Every row must contain exactly one crown Every column must contain exactly one crown Every colored region must contain exactly one crown No two crowns may touch not even diagonally One solution. No guessing. All logic. Terms of use : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Regnum (Crown Logic Game) at none against Number Sum Puzzle's 5. Number Sum Puzzle's advantage is iOS requirement (15.1 vs 18.2). On price, ads 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. Number Sum Puzzle sells 5 one-off in-app purchases. Regnum (Crown Logic Game) asks for nothing beyond the download.
| Parameter | Number Sum Puzzle | Regnum (Crown Logic Game) |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (6 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 5 days | — |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.2 |
| Further details — not scored | ||
| Size | 138 MB | 9 MB |
| Age rating | 17+ | 4+ |
| Developer | LIHUHU PUBLISHING PTE. LTD. | ibrahim efnan Eser |
In-app purchases
Number Sum Puzzle
- Starter Hints$1.99
- Value Hints$5.99
- Mega Hints$9.99
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- VIP - No Ads$19.99
- VIP - No Ads$49.99
Regnum (Crown Logic Game)
No in-app purchases
Questions
Is Number Sum Puzzle free?
Is Regnum (Crown Logic Game) free?
Do Number Sum Puzzle or Regnum (Crown Logic Game) have ads?
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