# Arduino BT Controller vs RALIO LINK

The clearest difference is in-app purchases: RALIO LINK at none against Arduino BT Controller's 1. RALIO LINK also leads on ads (none vs shown) and device support (3 vs 1). Arduino BT Controller's advantage is update cadence (every 8 days vs every 3 weeks). On price there is nothing between them.

Both are free to download. Arduino BT Controller sells 1 one-off in-app purchase. RALIO LINK asks for nothing beyond the download.

Arduino BT Controller ships an update every 8 days, RALIO LINK every 3 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Arduino BT Controller | RALIO LINK |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 28 MB |
| Requires iOS | 18.2 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Boyle Sim](https://appshunter.io/developer/1806031422) | [RALIO TECHNOLOGIES LLP](https://appshunter.io/developer/1836648065) |

## 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 |


### RALIO LINK

[App page](https://appshunter.io/ios/app/ralio-link/id6751769266)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arduino BT Controller free?

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

### Is RALIO LINK free?

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

### Do Arduino BT Controller or RALIO LINK have ads?

Arduino BT Controller shows ads; RALIO LINK does not.

### Which is updated more often, Arduino BT Controller or RALIO LINK?

Arduino BT Controller ships an update every 8 days, and RALIO LINK every 3 weeks. Most recently, Arduino BT Controller was updated on October 2, 2026 and RALIO LINK on October 7, 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.*