# Tech Magnet vs ST BLE Sensor Classic

The clearest difference is update cadence: Tech Magnet at every 2 months against ST BLE Sensor Classic's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Tech Magnet ships an update every 2 months, ST BLE Sensor Classic every 6 months. The most recent releases landed on May 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Tech Magnet | ST BLE Sensor Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/st-ble-sensor-classic/id6447749695/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | — | Free |
| Size | 24 MB | 71 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [intcore LLC](https://appshunter.io/developer/1076894601) | [STMicroelectronics](https://appshunter.io/developer/1801774735) |

## What reviewers say

### Tech Magnet

[App page](https://appshunter.io/ios/app/tech-magnet/id1403131305)

**Features:** macOS Compatibility

**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 Tech Magnet free?

Tech Magnet 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.

### Do Tech Magnet or ST BLE Sensor Classic have ads?

Neither Tech Magnet nor ST BLE Sensor Classic shows ads.

### Which is updated more often, Tech Magnet or ST BLE Sensor Classic?

Tech Magnet ships an update every 2 months, and ST BLE Sensor Classic every 6 months. Most recently, Tech Magnet was updated on May 16, 2026 and ST BLE Sensor Classic on September 17, 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.*