# BLE to Serial Terminal vs ST BLE Toolbox

The clearest difference is update cadence: ST BLE Toolbox at every 6 months against BLE to Serial Terminal's every 26 months. BLE to Serial Terminal's advantage is iOS requirement (8.0 vs 15.0). 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.

BLE to Serial Terminal ships an update every 26 months, ST BLE Toolbox every 6 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | BLE to Serial Terminal | ST BLE Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/ble-to-serial-terminal/id1238004134/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 1 MB | 16 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FUH CHERNG SHEU](https://appshunter.io/developer/1063937264) | [STMicroelectronics](https://appshunter.io/developer/1801774735) |

## What reviewers say

### BLE to Serial Terminal

[App page](https://appshunter.io/ios/app/ble-to-serial-terminal/id1238004134)

Connect iOS devices to BLE serial port converters for bidirectional data exchange. Supports RS-232, RS-422, and RS-485 interfaces, ideal for testing SCADA, robots, UAVs, and PLCs. Data can be sent and received in ASCII or Hex format.

**Highlights:** BLE to Serial Port support, Bi-directional data exchange, RS-232, RS-422, RS-485 interfaces, ASCII or Hex data format, BLE V4.x & V5.x compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### ST BLE Toolbox

[App page](https://appshunter.io/ios/app/st-ble-toolbox/id1531295550)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BLE to Serial Terminal free?

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

### Is ST BLE Toolbox free?

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

### Do BLE to Serial Terminal or ST BLE Toolbox have ads?

Neither BLE to Serial Terminal nor ST BLE Toolbox shows ads.

### Which is updated more often, BLE to Serial Terminal or ST BLE Toolbox?

BLE to Serial Terminal ships an update every 26 months, and ST BLE Toolbox every 6 months. Most recently, BLE to Serial Terminal was updated on November 2, 2026 and ST BLE Toolbox on November 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.*