Grid Hero vs K.O. Nonogram Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grid Hero
This app offers a vast collection of number-based logic puzzles, including Sudoku, Hitori, and Minesweeper. It provides daily challenges and new levels weekly, with new games continually being added. Enjoy a growing library of brain-teasing fun.
- Extensive logic puzzle collection
- Daily bonus and challenge
- Weekly new challenge levels
- Continuous addition of new games
- Multiple subscription options
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Welcome to 'Grid Hero' – A growing collection of number-based puzzles! Games Included: Hitori, Sudoku, Kuromasu, FindNine, Skyscrapers, SlitherLink, Binairo, Dominosa, Battleships, Tents, Light Up, Shikaku, Minesweeper, Renzoku, Masyu, FourWinds, Nurikabe, Arrows, Gappy, Doppelblock, EulerSquare, Thermometers, Bricks, Oneness, Hundred, Kakurasu, Walls, Slant, Nonogram, Kakuro, Heyawake, Tren, Magnet, Mirror, LITS, Tapa, Galaxies, Hashi, Shimaguni, Norinori, StarBattle, BlindSpot, Context, Go, ArrowWeb, Yajilin. Campaign mode: team up with online allies each season to conquer 1,000 stages together! 100 challenge levels every week to test your logical thinking. Daily lottery and a new puzzle every day. Measure your solving skills with the Ability Test. Climb the global leaderboard and compete with puzzle enthusiasts worldwide. More puzzles are being added continuously! Contact: wyklion@qq.com Web Portal:：https://gridhero.kkfun.fun
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 review sentiment: Grid Hero at 100% against K.O. Nonogram Pro's 0%. Grid Hero also leads on price (Free vs $9.99). K.O. Nonogram Pro's advantage is in-app purchases (none vs 3). On update cadence, 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
Grid Hero is free to download; K.O. Nonogram Pro costs $9.99 up front. Grid Hero sells 3 in-app purchases, starting at $1.99 per month. K.O. Nonogram Pro asks for nothing beyond the download.
Grid Hero ships an update weekly, K.O. Nonogram Pro every 6 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.
| Parameter | Grid Hero | K.O. Nonogram Pro |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Weekly | 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 | 33 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | YIKAI WANG | 又瑞 韦 |
Customer experience
Grid Hero
K.O. Nonogram Pro
In-app purchases
Grid Hero
- Premium (Monthly)$1.991 Month
- Premium (Quarterly)$4.993 Months
- Premium (Annual)$17.991 Year
K.O. Nonogram Pro
No in-app purchases
