# TS006 vs BK400

The clearest difference is iOS requirement: TS006 at 13 against BK400's 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 numbers

| Metric | TS006 | BK400 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 121 MB | 21 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) | [祖策 谢](https://appshunter.io/developer/983519195) |

## What reviewers say

### TS006

[App page](https://appshunter.io/ios/app/ts006/id6756901364)

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

**In-app purchases:** none


### BK400

[App page](https://appshunter.io/ios/app/bk400/id6760681499)

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

**In-app purchases:** none


## Frequently asked questions

### Is TS006 free?

TS006 is free to download, with no in-app purchases.

### Is BK400 free?

BK400 is free to download, with no in-app purchases.

### Do TS006 or BK400 have ads?

Neither TS006 nor BK400 shows ads.

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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.*