OpenK vs 天天数独
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenK
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一个可以给自闭症教师提供帮助的APP
天天数独
This app offers a classic Sudoku puzzle experience designed to train logical reasoning and deductive skills. Players fill a 9x9 grid with numbers 1-9, ensuring each row, column, and 3x3 subgrid contains unique digits. It's suitable for all ages seeking a mentally stimulating challenge.
- Classic Sudoku puzzles
- Logical reasoning training
- Deductive skill development
- Suitable for all ages
- 9x9 grid challenges
- Unique number placement
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数独（shù dú）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”。 数独游戏风靡全球，解开它需要你的是推理与逻辑，简单的规则适合不同年龄段的玩家。希望大家会喜欢。
Screenshots
Verdict
The clearest difference is in-app purchases: OpenK at none against 天天数独's 1. On price, update cadence, 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. 天天数独 sells 1 one-off in-app purchase. OpenK asks for nothing beyond the download.
OpenK ships an update every 6 weeks, 天天数独 every 2 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.
| Parameter | OpenK | 天天数独 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 | 9.0 |
| Further details — not scored | ||
| Size | 112 MB | 9 MB |
| Age rating | 17+ | 4+ |
| Developer | Beijing Ingcare Technology Co.,Ltd. | 苗 何 |
In-app purchases
OpenK
No in-app purchases
天天数独
- 去除广告$2.99
