# Thermal Link vs C3 WiFi Controller

The clearest difference is device support: Thermal Link at 2 against C3 WiFi Controller's —. Thermal Link also leads on iOS requirement (11.0 vs 15.1). On price and in-app purchases 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 | Thermal Link | C3 WiFi Controller |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Size | 58 MB | 28 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [UNI-TREND TECHNOLOGY (CHINA) CO.,LTD.](https://appshunter.io/developer/1207185875) | [nhnhn](https://appshunter.io/developer/1839898006) |

## What reviewers say

### Thermal Link

[App page](https://appshunter.io/ios/app/thermal-link/id1588000207)

**Features:** macOS Compatibility

**In-app purchases:** none


### C3 WiFi Controller

[App page](https://appshunter.io/ios/app/c3-wifi-controller/id6760450736)

**In-app purchases:** none


## Frequently asked questions

### Is Thermal Link free?

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

### Is C3 WiFi Controller free?

C3 WiFi Controller is free to download, with no in-app purchases.

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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.*