# TuyaScale vs Author BT Update

The clearest difference is iOS requirement: TuyaScale at 9.0 against Author BT Update's 16.0. 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 | TuyaScale | Author BT Update |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 7 MB | 4 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen LINGXI Technology Co., Ltd](https://appshunter.io/developer/957619029) | [AUTHOR-ALARM](https://appshunter.io/developer/1344731145) |

## What reviewers say

### TuyaScale

[App page](https://appshunter.io/ios/app/tuyascale/id6444902717)

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

**In-app purchases:** none


### Author BT Update

[App page](https://appshunter.io/ios/app/author-bt-update/id6475983875)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TuyaScale free?

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

### Is Author BT Update free?

Author BT Update is free to download, with no in-app purchases.

### Do TuyaScale or Author BT Update have ads?

Neither TuyaScale nor Author BT Update 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.*