# nRF Toolbox vs ST BLE Sensor Classic

The clearest difference is update cadence: nRF Toolbox at every 5 weeks against ST BLE Sensor Classic's every 6 months. nRF Toolbox also leads on rating (2.6 vs 2.3). ST BLE Sensor Classic's advantage is iOS requirement (13.0 vs 18.0). On price, ratings volume, ads and in-app purchases 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 2.3. Both are backed by a comparable volume of ratings — 8 and 3 respectively.

nRF Toolbox ships an update every 5 weeks, ST BLE Sensor Classic every 6 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | nRF Toolbox | ST BLE Sensor Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (8 ratings)](https://appshunter.io/ios/app/nrf-toolbox/id820906058/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/st-ble-sensor-classic/id6447749695/reviews) |
| Number of ratings | **8** | 3 |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 9 MB | 71 MB |
| Requires iOS | 18.0 | **13.0** |
| 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 Classic

[App page](https://appshunter.io/ios/app/st-ble-sensor-classic/id6447749695)

This app connects to ST development boards via Bluetooth Low Energy to access sensor data. It allows logging data to cloud providers and updating board firmware directly from your mobile device.

**Highlights:** Access sensor data, Log data to cloud providers, Update board firmware, Discover board functionalities, Supports motion-sensor data fusion, Activity recognition, Pedometer functionality

**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 Classic free?

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

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

nRF Toolbox is rated higher. nRF Toolbox averages 2.6 out of 5 from 8 ratings, while ST BLE Sensor Classic averages 2.3 from 3 ratings.

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

Neither nRF Toolbox nor ST BLE Sensor Classic shows ads.

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

nRF Toolbox ships an update every 5 weeks, and ST BLE Sensor Classic every 6 months. Most recently, nRF Toolbox was updated on October 6, 2026 and ST BLE Sensor Classic on October 4, 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.*