BLE to Serial Terminal vs ST BLE Toolbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLE to Serial Terminal
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.
- 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
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The iOS portable devices will connect with the Bluetooth Low Energy (BLE) to serial port converter devices and exchange data with them bi-directional. The serial port includes RS-232 or RS-422 RS-485 interfaces. The user will test the APP with the SCADA, Robot, UAV, PLC, CNC or etc. with the BLE to serial port devices. The APP will be customized to meet the specific applications. [Features]: 1. Support BLE to Serial Port 2. Sent and received data in ASC II or Hex format 3. Support BLE V4.x & V5.x version
ST BLE Toolbox
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The ST BLE Toolbox is a user-friendly application to interact and debug ST Bluetooth Low Energy (BLE) devices. Upon launch, the app scans for BLE devices. For each device found it is possible to display advertisements and connect to it. The key features are: - Discovery peripherals - Show output of standard profiles - Show peripheral services and characteristics - Perform Read, write and notification interactions with peripherals
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | BLE to Serial Terminal | ST BLE Toolbox |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 26 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | FUH CHERNG SHEU | STMicroelectronics |
In-app purchases
BLE to Serial Terminal
No in-app purchases
ST BLE Toolbox
No in-app purchases
Questions
Is BLE to Serial Terminal free?
Is ST BLE Toolbox free?
Do BLE to Serial Terminal or ST BLE Toolbox have ads?
Which is updated more often, BLE to Serial Terminal or ST BLE Toolbox?
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