# ST BLE Sensor vs Simplicity Connect

The clearest difference is review sentiment: Simplicity Connect at 50% against ST BLE Sensor's 0%. Simplicity Connect also leads on rating (4.1 vs 2.0). ST BLE Sensor's advantage is iOS requirement (15.0 vs 17). 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.

Simplicity Connect holds the better App Store score, 4.1 against 2.0. Both are backed by a comparable volume of ratings — 10 and 16 respectively. Written reviews point the same way: 0% of ST BLE Sensor's written reviews are positive against 50% of Simplicity Connect's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ST BLE Sensor | Simplicity Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (10 ratings)](https://appshunter.io/ios/app/st-ble-sensor/id993670214/reviews) | **[4.1 (16 ratings)](https://appshunter.io/ios/app/simplicity-connect/id1030932759/reviews)** |
| Number of ratings | 10 | **16** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 55 MB | 86 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STMicroelectronics](https://appshunter.io/developer/1801774735) | [Silicon Labs](https://appshunter.io/developer/555074469) |

## What reviewers say

### 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


### Simplicity Connect

[App page](https://appshunter.io/ios/app/simplicity-connect/id1030932759)

This utility app aids developers in testing and debugging Bluetooth Low Energy applications on Silicon Labs development boards. It simplifies troubleshooting firmware updates, data throughput, and interoperability with a user-friendly interface and built-in demos.

**Highlights:** Bluetooth Low Energy (BLE) testing, Application debugging, Firmware Over-the-Air (OTA) updates, Data throughput testing, Interoperability testing, Device scanning and filtering, Matter device commissioning

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ST BLE Sensor free?

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

### Is Simplicity Connect free?

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

### Which has better reviews, ST BLE Sensor or Simplicity Connect?

Simplicity Connect is rated higher. ST BLE Sensor averages 2.0 out of 5 from 10 ratings, while Simplicity Connect averages 4.1 from 16 ratings.

### Do ST BLE Sensor or Simplicity Connect have ads?

Neither ST BLE Sensor nor Simplicity Connect shows ads.

### Which is updated more often, ST BLE Sensor or Simplicity Connect?

ST BLE Sensor ships an update every 2 months, and Simplicity Connect every 2 months. Most recently, ST BLE Sensor was updated on October 1, 2026 and Simplicity Connect on September 24, 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.*