# 斯隆共享净水 vs Various principle

The clearest difference is in-app purchases: 斯隆共享净水 at none against Various principle's 1. 斯隆共享净水 also leads on iOS requirement (10.0 vs 13.6). Various principle's advantage is update cadence (every 11 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Various principle sells 1 one-off in-app purchase. 斯隆共享净水 asks for nothing beyond the download.

斯隆共享净水 ships an update every 6 weeks, Various principle every 11 days. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 斯隆共享净水 | Various principle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 69 MB | 201 MB |
| Requires iOS | **10.0** | 13.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Chinook Environmental Technology co. LTD](https://appshunter.io/developer/1255755564) | [Man Hung Sun](https://appshunter.io/developer/1471605573) |

## What reviewers say

### 斯隆共享净水

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

**In-app purchases:** none


### Various principle

[App page](https://appshunter.io/ios/app/various-principle/id1599471639)

Explore life-guiding principles across various categories like work, family, and technology. Customize your learning with notes and create your own principles, plus enjoy a mini-game for relaxation. Enhance personal development and gain inspiration.

**Highlights:** Explore principles across 8 categories, Create custom principles, Take notes on principles, Includes a mini-game, Personal development focus

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade | $0.99 | one-time |


## 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 Various principle free?

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

### Do 斯隆共享净水 or Various principle have ads?

Neither 斯隆共享净水 nor Various principle shows ads.

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

斯隆共享净水 ships an update every 6 weeks, and Various principle every 11 days. Most recently, 斯隆共享净水 was updated on October 15, 2026 and Various principle on October 5, 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.*