# 3M 淨水生活 vs JOAN GROUP

The clearest difference is ads: JOAN GROUP at none against 3M 淨水生活's shown. JOAN GROUP also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence 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.

3M 淨水生活 ships an update monthly, JOAN GROUP every 2 months. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 3M 淨水生活 | JOAN GROUP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Size | 120 MB | 4 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [ZHI YAO CO., LTD.](https://appshunter.io/developer/1713283442) | [JO-AN GARMENT CO., LTD.](https://appshunter.io/developer/1731934724) |

## What reviewers say

### 3M 淨水生活

[App page](https://appshunter.io/ios/app/3m/id6470256623)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### JOAN GROUP

[App page](https://appshunter.io/ios/app/joan-group/id6478136700)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3M 淨水生活 free?

3M 淨水生活 is free to download, with no in-app purchases.

### Is JOAN GROUP free?

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

### Do 3M 淨水生活 or JOAN GROUP have ads?

3M 淨水生活 shows ads; JOAN GROUP does not.

### Which is updated more often, 3M 淨水生活 or JOAN GROUP?

3M 淨水生活 ships an update monthly, and JOAN GROUP every 2 months. Most recently, 3M 淨水生活 was updated on October 5, 2026 and JOAN GROUP on October 4, 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.*