# The Flagship 旗艦店 vs 3ChemBio

The clearest difference is update cadence: 3ChemBio at every 3 days against The Flagship 旗艦店's every 50 months. The Flagship 旗艦店's advantage is iOS requirement (10.0 vs 15.0). On price, ads, 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.

The Flagship 旗艦店 ships an update every 50 months, 3ChemBio every 3 days. The most recent releases landed on September 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | The Flagship 旗艦店 | 3ChemBio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 3 days** |
| Size | 51 MB | 48 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cheuk Ho Sin](https://appshunter.io/developer/1341266977) | [3CHEMBIO (INTERNATIONAL) LIMITED](https://appshunter.io/developer/6803423187) |

## What reviewers say

### The Flagship 旗艦店

[App page](https://appshunter.io/ios/app/the-flagship/id1341266978)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3ChemBio

[App page](https://appshunter.io/ios/app/3chembio/id6803422570)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Flagship 旗艦店 free?

The Flagship 旗艦店 is free to download, with no in-app purchases.

### Is 3ChemBio free?

3ChemBio is free to download, with no in-app purchases.

### Do The Flagship 旗艦店 or 3ChemBio have ads?

Neither The Flagship 旗艦店 nor 3ChemBio shows ads.

### Which is updated more often, The Flagship 旗艦店 or 3ChemBio?

The Flagship 旗艦店 ships an update every 50 months, and 3ChemBio every 3 days. Most recently, The Flagship 旗艦店 was updated on September 20, 2026 and 3ChemBio on October 10, 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.*