# Simplicity Connect vs ST BLE Sensor Classic

The clearest difference is rating: Simplicity Connect at 4.1 against ST BLE Sensor Classic's 2.3. Simplicity Connect also leads on update cadence (every 2 months vs every 6 months) and ratings volume (16 vs 3). ST BLE Sensor Classic's advantage is iOS requirement (13.0 vs 17). On price, ads, in-app purchases and monetization model 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 2.3. That said, the two scores are not equally well evidenced: Simplicity Connect has 16 ratings behind it against 3, so its average is the more settled of the two.

Simplicity Connect ships an update every 2 months, ST BLE Sensor Classic every 6 months. The most recent releases landed on September 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Simplicity Connect | ST BLE Sensor Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (16 ratings)](https://appshunter.io/ios/app/simplicity-connect/id1030932759/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/st-ble-sensor-classic/id6447749695/reviews) |
| Number of ratings | **16** | 3 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 86 MB | 71 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Silicon Labs](https://appshunter.io/developer/555074469) | [STMicroelectronics](https://appshunter.io/developer/1801774735) |

## What reviewers say

### 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


### 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 Simplicity Connect free?

Simplicity Connect 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, Simplicity Connect or ST BLE Sensor Classic?

Simplicity Connect is rated higher. Simplicity Connect averages 4.1 out of 5 from 16 ratings, while ST BLE Sensor Classic averages 2.3 from 3 ratings.

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

Neither Simplicity Connect nor ST BLE Sensor Classic shows ads.

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

Simplicity Connect ships an update every 2 months, and ST BLE Sensor Classic every 6 months. Most recently, Simplicity Connect was updated on September 24, 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.*