# diBlue vs Arduino BT Controller

The clearest difference is rating: diBlue at 2.8 against Arduino BT Controller's 2.0. diBlue also leads on in-app purchases (none vs 1) and ads (none vs shown). Arduino BT Controller's advantage is update cadence (every 8 days vs monthly) and review sentiment (50% vs 40%). On price there is nothing between them.

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

diBlue holds the better App Store score, 2.8 against 2.0. That said, the two scores are not equally well evidenced: diBlue has 18 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 40% of diBlue's written reviews are positive against 50% of Arduino BT Controller's, so the app with the better star average is not the one people write more warmly about.

diBlue ships an update monthly, Arduino BT Controller every 8 days. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | diBlue | Arduino BT Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (18 ratings)](https://appshunter.io/ios/app/diblue/id1441528159/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/arduino-bt-controller/id6744121460/reviews) |
| Number of ratings | **18** | 1 |
| Positive reviews | 40.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 7 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DongGuan DESHIDE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1718185095) | [Boyle Sim](https://appshunter.io/developer/1806031422) |

## What reviewers say

### diBlue

[App page](https://appshunter.io/ios/app/diblue/id1441528159)

This utility app connects to compatible Bluetooth Low Energy devices and DSD TECH relay modules. It allows users to discover devices, send and receive text or HEX data, and control relay modules. The interface supports multiple languages and stores all data locally without requiring an account or displaying ads.

**Highlights:** Discover and organize BLE devices, Send and receive Text or HEX data, Repeat commands at intervals, Control DSD TECH relay modules, Multi-language interface, Local data storage, Ad-free experience

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is diBlue free?

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

### Is Arduino BT Controller free?

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

### Which has better reviews, diBlue or Arduino BT Controller?

diBlue is rated higher. diBlue averages 2.8 out of 5 from 18 ratings, while Arduino BT Controller averages 2.0 from 1 ratings.

### Do diBlue or Arduino BT Controller have ads?

Arduino BT Controller shows ads; diBlue does not.

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

diBlue ships an update monthly, and Arduino BT Controller every 8 days. Most recently, diBlue was updated on November 6, 2026 and Arduino BT Controller on November 4, 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.*