# Bluetooth BLE Utility Pro vs Holtek MCU Selector

The clearest difference is iOS requirement: Bluetooth BLE Utility Pro at 9.3 against Holtek MCU Selector's 13.0. On price, ads, in-app purchases and device support 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 | Bluetooth BLE Utility Pro | Holtek MCU Selector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/bluetooth-ble-utility-pro/id1111118206/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | — |
| Size | 10 MB | 19 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kaiwen Yuan](https://appshunter.io/developer/1111118205) | [Holtek Semiconductor(China) Inc](https://appshunter.io/developer/1052056181) |

## What reviewers say

### Bluetooth BLE Utility Pro

[App page](https://appshunter.io/ios/app/bluetooth-ble-utility-pro/id1111118206)

A tool for developers to test Bluetooth Low Energy (BLE) connections and data transfer. It allows customization of service and characteristic UUIDs for precise testing with specific BLE chips.

**Highlights:** BLE connection testing, Custom Service UUID definition, Custom Char TX/RX UUID definition, Information reading, nRF51822 chip compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Holtek MCU Selector

[App page](https://appshunter.io/ios/app/holtek-mcu-selector/id6444018542)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bluetooth BLE Utility Pro free?

Bluetooth BLE Utility Pro is free to download, with no in-app purchases.

### Is Holtek MCU Selector free?

Holtek MCU Selector is free to download, with no in-app purchases.

### Do Bluetooth BLE Utility Pro or Holtek MCU Selector have ads?

Neither Bluetooth BLE Utility Pro nor Holtek MCU Selector shows ads.

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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.*