# nRF Toolbox vs ST BLE Sensor

The clearest difference is rating: nRF Toolbox at 2.6 against ST BLE Sensor's 2.0. nRF Toolbox also leads on review sentiment (22% vs 0%). ST BLE Sensor's advantage is iOS requirement (15.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

nRF Toolbox holds the better App Store score, 2.6 against 2.0. Both are backed by a comparable volume of ratings — 8 and 10 respectively. Written reviews point the same way: 22% of nRF Toolbox's written reviews are positive against 0% of ST BLE Sensor's.

nRF Toolbox ships an update every 5 weeks, ST BLE Sensor every 2 months. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | nRF Toolbox | ST BLE Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (8 ratings)](https://appshunter.io/ios/app/nrf-toolbox/id820906058/reviews)** | [2.0 (10 ratings)](https://appshunter.io/ios/app/st-ble-sensor/id993670214/reviews) |
| Number of ratings | 8 | **10** |
| Positive reviews | **22.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 9 MB | 55 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nordic Semiconductor ASA](https://appshunter.io/developer/497679114) | [STMicroelectronics](https://appshunter.io/developer/1801774735) |

## What reviewers say

### nRF Toolbox

[App page](https://appshunter.io/ios/app/nrf-toolbox/id820906058)

This utility app connects to various Bluetooth Low Energy accessories. It demonstrates multiple BLE profiles, including health and fitness sensors, allowing users to monitor data from devices like heart rate monitors and glucose monitors.

**Highlights:** Bluetooth Low Energy connectivity, Demonstrates BLE profiles, Heart Rate Monitor support, Glucose Monitor support, Cycling Speed and Cadence, Running Speed and Cadence

**In-app purchases:** none


### ST BLE Sensor

[App page](https://appshunter.io/ios/app/st-ble-sensor/id993670214)

This app connects to ST development boards via Bluetooth Low Energy to access sensor data. You can log data to cloud providers, update board firmware, and explore various demo functionalities like environmental sensing and machine learning.

**Highlights:** Access sensor data, Log data to cloud, Update board firmware, Explore demo functionalities, Bluetooth Low Energy communication, Motion-sensor data fusion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is nRF Toolbox free?

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

### Is ST BLE Sensor free?

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

### Which has better reviews, nRF Toolbox or ST BLE Sensor?

nRF Toolbox is rated higher. nRF Toolbox averages 2.6 out of 5 from 8 ratings, while ST BLE Sensor averages 2.0 from 10 ratings.

### Do nRF Toolbox or ST BLE Sensor have ads?

Neither nRF Toolbox nor ST BLE Sensor shows ads.

### Which is updated more often, nRF Toolbox or ST BLE Sensor?

nRF Toolbox ships an update every 5 weeks, and ST BLE Sensor every 2 months. Most recently, nRF Toolbox was updated on October 6, 2026 and ST BLE Sensor on October 1, 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.*