# Arduino BT Controller vs Thermo Dynamics Calc

The clearest difference is ads: Thermo Dynamics Calc at none against Arduino BT Controller's shown. Thermo Dynamics Calc also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.2). On price and in-app purchases there is nothing between them.

Both are free to download. Arduino BT Controller sells 1 one-off in-app purchase and Thermo Dynamics Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Arduino BT Controller | Thermo Dynamics Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/arduino-bt-controller/id6744121460/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 41 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Boyle Sim](https://appshunter.io/developer/1806031422) | [Shraddhaben Parmar](https://appshunter.io/developer/1889769325) |

## What reviewers say

### Arduino BT Controller

[App page](https://appshunter.io/ios/app/arduino-bt-controller/id6744121460)

Control Arduino-based RC cars using Bluetooth 4.0. Customize button actions for real-time driving control. No login is needed for immediate use.

**Highlights:** Drive forward, backward, left, and right, Customizable button actions, Real-time Bluetooth communication, No login required

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Thermo Dynamics Calc

[App page](https://appshunter.io/ios/app/thermo-dynamics-calc/id6766844933)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


## Frequently asked questions

### Is Arduino BT Controller free?

Arduino BT Controller is free to download, with in-app purchases available.

### Is Thermo Dynamics Calc free?

Thermo Dynamics Calc is free to download, with in-app purchases available.

### Do Arduino BT Controller or Thermo Dynamics Calc have ads?

Arduino BT Controller shows ads; Thermo Dynamics Calc does not.

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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.*