数独 vs K.O. Nonogram
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
数独
Enjoy the classic logic puzzle with a clean interface and no ads or in-app purchases. Offers various grid sizes and difficulty levels to challenge your mind. Features customizable skins and a night mode for comfortable play.
- No ads, no in-app purchases
- Multiple grid sizes (4x4, 6x6, 8x8, 9x9)
- 12 difficulty levels
- Customizable skins
- Night mode
- Unlimited hints
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无广告！无内购！尽情享受数独带来的快乐！ 从简单的四宫格数独到九宫格数独，循序渐进的难度满足你的逻辑挑战！共有4x4，6x6，8x8，9x9四种宫格，12种难度！史上最强数独！老少咸宜！ 多种皮肤任你选，还有夜间模式，更保护双眼！ 画面简洁，极佳手感，多种难度可供选择！无限提示，给予解题线索，助你通关不费力！ 数独（shùdú）是源自18世纪瑞士的一种数学游戏。是一种运用纸、笔进行演算的逻辑游戏。玩家需要根据9×9盘面上的已知数字，推理出所有剩余空格的数字，并满足每一行、每一列、每一个粗线宫（3*3）内的数字均含1-9，不重复。 数独盘面是个九宫，每一宫又分为九个小格。在这八十一格中给出一定的已知数字和解题条件，利用逻辑和推理，在其他的空格上填入1-9的数字。使1-9每个数字在每一行、每一列和每一宫中都只出现一次，所以又称“九宫格”。
K.O. Nonogram
Instantly solve Nonogram puzzles with step-by-step guidance. Supports grids from 5x5 to 50x50. Explore a vast online store for printable puzzles.
- Instant puzzle solving
- Step-by-step guidance
- Supports 5-50 grid sizes
- Online puzzle store
- Printable puzzle support
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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 update cadence: K.O. Nonogram at every 5 days against 数独's every 37 months. K.O. Nonogram also leads on monetization model (ad-supported vs free with in-app purchases). 数独's advantage is ratings volume (54 vs 2) and review sentiment (97% vs 85%). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for 数独 against 5.0 for K.O. Nonogram. That said, the two scores are not equally well evidenced: 数独 has 54 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 97% of 数独's written reviews are positive against 85% of K.O. Nonogram's.
数独 ships an update every 37 months, K.O. Nonogram every 5 days. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.
| Parameter | 数独 | K.O. Nonogram |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (54 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 96.9% of reviews — better | 85.0% of reviews |
| Number of ratings | 54 — better | 2 |
| Update frequency | Every 37 months | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 74 MB | 42 MB |
| Age rating | 17+ | 4+ |
| Developer | 建华 范 | 又瑞 韦 |
Customer experience
数独
K.O. Nonogram
In-app purchases
数独
No in-app purchases
K.O. Nonogram
No in-app purchases
