# 斯隆共享净水 vs Witch

The clearest difference is iOS requirement: 斯隆共享净水 at 10.0 against Witch's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 斯隆共享净水 | Witch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 69 MB | 134 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Wuhan Chinook Environmental Technology co. LTD](https://appshunter.io/developer/1255755564) | [上海吕巫科技有限公司](https://appshunter.io/developer/1817560856) |

## What reviewers say

### 斯隆共享净水

[App page](https://appshunter.io/ios/app/id1255755565)

**In-app purchases:** none


### Witch

[App page](https://appshunter.io/ios/app/witch/id6746623162)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 斯隆共享净水 free?

斯隆共享净水 is free to download, with no in-app purchases.

### Is Witch free?

Witch is free to download, with no in-app purchases.

### Do 斯隆共享净水 or Witch have ads?

Neither 斯隆共享净水 nor Witch shows ads.

### Which is updated more often, 斯隆共享净水 or Witch?

斯隆共享净水 ships an update every 6 weeks, and Witch every 6 weeks. Most recently, 斯隆共享净水 was updated on October 1, 2026 and Witch on September 17, 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.*