# TAC Cửu Long vs CosmeB

The clearest difference is update cadence: TAC Cửu Long at weekly against CosmeB's every 4 weeks. TAC Cửu Long also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

TAC Cửu Long ships an update weekly, CosmeB every 4 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | TAC Cửu Long | CosmeB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Weekly** | Every 4 weeks |
| Size | 40 MB | 103 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Luan Nguyen](https://appshunter.io/developer/1543324068) | [CosmeB Company Limited](https://appshunter.io/developer/1749689034) |

## What reviewers say

### TAC Cửu Long

[App page](https://appshunter.io/ios/app/tac-cuu-long/id6450071946)

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

**In-app purchases:** none


### CosmeB

[App page](https://appshunter.io/ios/app/cosmeb/id6503634777)

**In-app purchases:** none


## Frequently asked questions

### Is TAC Cửu Long free?

TAC Cửu Long is free to download, with no in-app purchases.

### Is CosmeB free?

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

### Which is updated more often, TAC Cửu Long or CosmeB?

TAC Cửu Long ships an update weekly, and CosmeB every 4 weeks. Most recently, TAC Cửu Long was updated on November 3, 2026 and CosmeB on November 8, 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.*