Crown Blocks vs Nonova
Price, ratings, monetisation and update history for both games, side by side ā with what reviewers say about each.
Crown Blocks
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Crown Blocks is the elegant Queens logic puzzle where one crown rules every row, column, and region. Think you can place every crown? The rules are simple to learn but tricky to master: fill the board so exactly one crown sits in each row, each column, and each region, and no two crowns ever touch, not even diagonally. No timers rushing you, no clutter, just you, the grid, and that satisfying click when the logic falls into place. A pure black-and-white design keeps your focus where it belongs: on solving. HOW TO PLAY ⢠Tap a cell to place a crown ⢠One crown per row, one per column, one per region ⢠Crowns can't be adjacent, not even diagonally ⢠Use logic, not luck, to crack every board FEATURES ⢠500 handcrafted levels, each with a single unique solution ⢠Difficulty that grows with you, from gentle 4x4 grids to brain-bending 10x10 boards ⢠Clean, minimalist black & white design with dark mode ⢠Smart hints for when you're stuck ⢠Undo any move, anytime A WORKOUT FOR YOUR BRAIN If you love Queens, Sudoku, nonograms, or any classic brain teaser, this crown puzzle will keep your mind sharp, perfect for a quick break or a long, satisfying solving session. Download Crown Blocks now and find out why "one crown per row" is harder, and far more fun, than it sounds.
Nonova
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Fill the right squares by following the numbers on every row and column, and watch a hidden pixel-art picture appear. Nonova is pure logic ā no timer rushing you, no luck involved. Every endless puzzle is generated on the spot and verified to have one single solution you can always reach by reasoning, so you never have to guess. If you love nonograms, picross, griddlers or Japanese crosswords on paper, this is the same calm, satisfying deduction on your phone: clean, quiet and made for players who want to think, not tap frantically. HOW IT WORKS - The numbers next to each row and column tell you the lengths of the consecutive filled blocks. - Fill the squares that must be shaded and mark the empty ones with an X to keep track. - Drag to paint a whole line at once ā the axis locks like classic Picross, so a single stroke stays perfectly straight and mistakes are easy to avoid. WHAT YOU GET - Endless puzzles in four sizes: 5x5 to learn the ropes, 10x10 and 15x15 for a proper session, and 20x20 for experts, with smooth pinch-zoom and pan on the bigger boards. - A guaranteed unique solution on every single board, provable by logic alone ā our generator checks each puzzle with a line solver before you ever see it, so there is no lucky guessing, ever. - Assisted mode that flags a wrong fill as a mistake and automatically dims the clues you have already completed, so you always know exactly where you stand. - Expert mode with no live checking and a manual Check button, for players who want the real pen-and-paper feeling ā and it pays double the coins. - A Daily Puzzle with a streak counter and a full month calendar, so there is always one fresh, shared challenge to come back to every day. - Themed pixel-art packs ā animals, food, Spain and space ā where each finished grid reveals a colourful picture you can save and share with friends. - Smart hints when you get stuck, coins to spend on them or unlock new packs, and detailed statistics with your best times and solve counts for every size. PERFECT FOR - Fans of picture cross, hanjie and griddlers looking for an endless supply of hand-crafted-quality puzzles. - Commuters and travellers who want a smart offline game that needs no internet connection at all. - Anyone winding down before bed who prefers a slow, thoughtful brain teaser over a loud, flashy arcade game. - Logic lovers who already solved every nonogram in the newspaper and want an infinite, always-fair supply. CALM, PRIVATE AND OFFLINE - No account and no sign-up ā just open the app and start playing in seconds. - Works completely offline; your progress, streak and statistics live only on your own device. - No aggressive full-screen ads between every move; the whole experience stays clean, quiet and focused on the puzzle. Whether you have two minutes for a quick 5x5 or a full hour for a meaty 20x20, Nonova gives you a bottomless well of logic puzzles that always play fair. Download Nonova and rediscover the quiet joy of solving a nonogram by pure reasoning ā one careful deduction at a time.
Screenshots
Verdict
The clearest difference is iOS requirement: Nonova at 13.0 against Crown Blocks's 15.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Crown Blocks | Nonova |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | ā |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 ā better |
| Further details ā not scored | ||
| Size | 83 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Gala Software | Ferran Espuna |
In-app purchases
Crown Blocks
No in-app purchases
Nonova
No in-app purchases









