# 3M 淨水生活 vs B

The clearest difference is ads: B at none against 3M 淨水生活's shown. On price, update cadence, in-app purchases and device support 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 monthly. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 3M 淨水生活 | B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/b-commons/id6630373707/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 120 MB | 104 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [ZHI YAO CO., LTD.](https://appshunter.io/developer/1713283442) | [BIGI COMMOS COMPANY](https://appshunter.io/developer/1762367948) |

## 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


### B

[App page](https://appshunter.io/ios/app/b-commons/id6630373707)

Shop the latest fashion from Tokyo-based brands like "自由區", "組曲", "anySiS", and "steppi". Discover classic, elegant, and casual Japanese-inspired styles for women, including trendy knit footwear. Enjoy 24-hour shopping with fast checkout and delivery.

**Highlights:** Latest product and information updates, 24-hour convenient shopping, Fast checkout process, Easy delivery tracking, Discover Japanese fashion brands, Shop trendy footwear

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

**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 B free?

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

### Do 3M 淨水生活 or B have ads?

3M 淨水生活 shows ads; B does not.

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

3M 淨水生活 ships an update monthly, and B monthly. Most recently, 3M 淨水生活 was updated on October 5, 2026 and B on October 3, 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.*