# optrel vs BLE Serial Pro

The clearest difference is price: optrel at Free against BLE Serial Pro's $3.99. optrel also leads on iOS requirement (12.2 vs 15.6). BLE Serial Pro's advantage is device support (4 vs 2). On update cadence, ads and in-app purchases there is nothing between them.

optrel is free to download; BLE Serial Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

optrel ships an update every 6 months, BLE Serial Pro every 5 months. The most recent releases landed on June 11, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | optrel | BLE Serial Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/ble-serial-pro/id1632245655/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | — | Paid |
| Size | 207 MB | 5 MB |
| Requires iOS | **12.2** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [optrel tec ag](https://appshunter.io/developer/1549530923) | [Ed Nieuwenhuys](https://appshunter.io/developer/1602239702) |

## What reviewers say

### optrel

[App page](https://appshunter.io/ios/app/optrel/id1549530921)

**Features:** macOS Compatibility

**In-app purchases:** none


### BLE Serial Pro

[App page](https://appshunter.io/ios/app/ble-serial-pro/id1632245655)

Transform your iOS device into a wireless serial terminal for Bluetooth Low Energy devices. Send commands and receive data in real-time from various IoT hardware, making debugging and development seamless.

**Highlights:** Connect to any BLE serial device, Send commands and receive data, Programmable buttons for quick commands, Live console strip for real-time feedback, Customizable display options, Smart alerts for specific data patterns

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is optrel free?

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

### Is BLE Serial Pro free?

BLE Serial Pro costs $3.99, with no in-app purchases.

### Do optrel or BLE Serial Pro have ads?

Neither optrel nor BLE Serial Pro shows ads.

### Which is updated more often, optrel or BLE Serial Pro?

optrel ships an update every 6 months, and BLE Serial Pro every 5 months. Most recently, optrel was updated on June 11, 2026 and BLE Serial Pro on September 14, 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.*