# 屹寻 vs Pure

The clearest difference is price: 屹寻 at Free against Pure's $0.99. 屹寻 also leads on update cadence (every 10 days vs monthly). Pure's advantage is in-app purchases (none vs 10). On ads, device support and iOS requirement there is nothing between them.

屹寻 is free to download; Pure costs $0.99 up front. 屹寻 sells 10 one-off in-app purchases. Pure asks for nothing beyond the download.

屹寻 ships an update every 10 days, Pure monthly. Both last shipped on November 8, 2026.

## The numbers

| Metric | 屹寻 | Pure |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | — | Paid |
| Size | 155 MB | 25 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [屹寻科技有限公司](https://appshunter.io/developer/1728567338) | [又瑞 韦](https://appshunter.io/developer/1625836878) |

## What reviewers say

### 屹寻

[App page](https://appshunter.io/ios/app/id6477122950)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60星钻 | $0.99 | one-time |
| 月度星屹会员 | $2.99 | one-time |
| 付费订阅18元档 | $2.99 | one-time |
| 280星钻 | $3.99 | one-time |
| 月度星屹会员 | $3.99 | one-time |
| 季度星屹会员 | $12.99 | one-time |
| 980星钻 | $14.99 | one-time |
| 2980星钻 | $39.99 | one-time |
| 年度星屹会员 | $39.99 | one-time |
| 4980星钻 | $69.99 | one-time |


### Pure

[App page](https://appshunter.io/ios/app/pure-sudoku/id6751444374)

Enjoy classic 9x9 Sudoku puzzles without interruptions. This game offers multiple difficulty levels, step-by-step hints, and candidate number marking. Play offline with a variety of puzzles, including 17-clue challenges.

**Highlights:** Classic 9x9 Sudoku, Ad-free experience, Multiple difficulty levels, Step-by-step hints, Candidate number marking, Offline play, 1000 questions per level

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 屹寻 free?

屹寻 is free to download, with in-app purchases available.

### Is Pure free?

Pure costs $0.99, with no in-app purchases.

### Do 屹寻 or Pure have ads?

Neither 屹寻 nor Pure shows ads.

### Which is updated more often, 屹寻 or Pure?

屹寻 ships an update every 10 days, and Pure monthly. Most recently, 屹寻 was updated on November 8, 2026 and Pure on November 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*