15 Puzzle Polygon vs K.O. Nonogram Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
15 Puzzle Polygon
Engage your mind with a variety of logic and puzzle games. Explore unique variations of classic puzzles like the 15-puzzle, tile matching, and color-based challenges. Offers numerous levels and modes to test your thinking skills.
- Extended 15-puzzle variations
- Hexagonal and triangular boards
- Tile matching with various shapes
- Color-based logic puzzles
- Maze and rotating puzzles
- Nonogram and number puzzles
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This APP include some simple and interesting puzzles. Each have some modes and levels. All need to think and select. The n-puzzle : Extended the classic 15-Puzzle to triangle and hexagon. Added fixed blocks and irregular board mode. Hexagon Slide: 15 puzzle with hexagonal board and triangular sliding blocks. Maze 15 Puzzle: It combines a maze with a 15 puzzle. Tile matching puzzle: The board consists of sticks, triangles, squares or hexagons. Each have Five board size and More block shape types. Just drag the block and drop to the empty place of board. when a line(Horizontal, vertical, diagonal) is filled with the blocks, they will disappear. Unified Color: Click to make all polygons have same color. More polygons will change the color when you click ones. There are three shapes(triangle, square, hexagon) and each have some patterns and six levels. Rotating Color Puzzle: Click to rotate color blocks to put them in right place. There are three shapes(triangle, square, hexagon) and each have six levels. Cyclic Color Blocks: Slide the color blocks circularly to make the color same horizontally or vertically and horizontally. Including memory mode which hide the color when you sliding. Time Traveler: Rotate clockwise to make time same. Very difficult. Dyed Chessboard: Turning the chessboard into same color within a limited number of steps. Nonogram Iteration: New nonogram with three types of boards. Nine Tripod Cauldrons: Make all rows or columns no same painting Rotate Number Puzzle: Rotate to make sum same as the center. Double-Sided Game: Slide to sorting the number on two side board.. This APP have 44 puzzles of color. Each have some stages with infinite levels. Just Click or Drag to play.
K.O. Nonogram Pro
This app provides instant solutions and solving steps for Nonogram puzzles. It supports grids from 5x5 to 50x50 and offers features like cloud backup and printing capabilities. Enjoy an ad-free experience with unlimited prompts and access to all puzzles.
- Instant puzzle solutions
- Unlimited prompts
- Unlock all puzzles
- Print puzzles
- Cloud backup
- Supports 5x5 to 50x50 grids
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K.O. Nonogram Pro: 1. Permanent ad-free; 2. Unlimited prompts; 3. Unlock all selected puzzles; 4. Print all puzzles(no watermark in preview); 5. Cloud backup; ------------------------------ Get nonogram answers / solving steps immediately. It supports 5~50 grid nonogram. There is a rich online nonogram store, support print puzzle. --------------- The grid of squares must be either filled in black or marked with X. Beside each row of the grid are listed the lengths of the runs of black squares on that row. Above each column are listed the lengths of the runs of black squares in that column. Go to find all black squares.
Screenshots
Verdict
The clearest difference is price: 15 Puzzle Polygon at Free against K.O. Nonogram Pro's $9.99. K.O. Nonogram Pro's advantage is in-app purchases (none vs 1) and update cadence (every 6 days vs every 6 weeks). On ads, device support and iOS requirement 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
15 Puzzle Polygon is free to download; K.O. Nonogram Pro costs $9.99 up front. 15 Puzzle Polygon sells 1 one-off in-app purchase. K.O. Nonogram Pro asks for nothing beyond the download.
15 Puzzle Polygon ships an update every 6 weeks, K.O. Nonogram Pro every 6 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.
| Parameter | 15 Puzzle Polygon | K.O. Nonogram Pro |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 weeks | Every 6 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 28 MB |
| Age rating | 12+ | 4+ |
| Developer | 振华 许 | 又瑞 韦 |
Customer experience
15 Puzzle Polygon
K.O. Nonogram Pro
In-app purchases
15 Puzzle Polygon
- Full Version$2.99
K.O. Nonogram Pro
No in-app purchases
Questions
Is 15 Puzzle Polygon free?
Is K.O. Nonogram Pro free?
Do 15 Puzzle Polygon or K.O. Nonogram Pro have ads?
Which is updated more often, 15 Puzzle Polygon or K.O. Nonogram Pro?
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