# BLE Controller vs Device Protocol Studio

The clearest difference is in-app purchases: BLE Controller at none against Device Protocol Studio's 1. BLE Controller also leads on iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Device Protocol Studio sells 1 one-off in-app purchase. BLE Controller asks for nothing beyond the download.

BLE Controller ships an update every 2 weeks, Device Protocol Studio every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BLE Controller | Device Protocol Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (26 ratings)](https://appshunter.io/ios/app/ble-controller-arduino-esp32/id6754522781/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 64 MB | 29 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CircuitMagic Inc.](https://appshunter.io/developer/1848639668) | [HYOGEUN KIM](https://appshunter.io/developer/6807829185) |

## What reviewers say

### BLE Controller

[App page](https://appshunter.io/ios/app/ble-controller-arduino-esp32/id6754522781)

This app enables wireless control of microcontrollers like Arduino and ESP32 via Bluetooth Low Energy. It features a customizable remote interface, a serial console for real-time data monitoring, and device management tools for makers and hobbyists.

**Highlights:** Customizable button interface, Real-time serial console, Device scanning and management, Bi-directional communication, Offline functionality, Dark and light themes

**Features:** macOS Compatibility

**In-app purchases:** none


### Device Protocol Studio

[App page](https://appshunter.io/ios/app/device-protocol-studio/id6807829183)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DPS Pro | $9.99 | one-time |


## Frequently asked questions

### Is BLE Controller free?

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

### Is Device Protocol Studio free?

Device Protocol Studio is free to download, with in-app purchases available.

### Do BLE Controller or Device Protocol Studio have ads?

Neither BLE Controller nor Device Protocol Studio shows ads.

### Which is updated more often, BLE Controller or Device Protocol Studio?

BLE Controller ships an update every 2 weeks, and Device Protocol Studio every 3 weeks. Most recently, BLE Controller was updated on October 24, 2026 and Device Protocol Studio on October 25, 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.*