# ST BLE Sensor vs IEC61850browser

The clearest difference is in-app purchases: ST BLE Sensor at none against IEC61850browser's 1. ST BLE Sensor also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. IEC61850browser sells 1 in-app purchase, starting at $399.99 per year. ST BLE Sensor asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ST BLE Sensor | IEC61850browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (10 ratings)](https://appshunter.io/ios/app/st-ble-sensor/id993670214/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 55 MB | 8 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STMicroelectronics](https://appshunter.io/developer/1801774735) | [Dennis Dchicha](https://appshunter.io/developer/1874378886) |

## 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


### IEC61850browser

[App page](https://appshunter.io/ios/app/iec61850browser/id6758677702)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IEC61850Browser Subscription | $399.99 | per year |


## Frequently asked questions

### Is ST BLE Sensor free?

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

### Is IEC61850browser free?

IEC61850browser is free to download, with in-app purchases available.

### Do ST BLE Sensor or IEC61850browser have ads?

Neither ST BLE Sensor nor IEC61850browser shows ads.

### Which is updated more often, ST BLE Sensor or IEC61850browser?

ST BLE Sensor ships an update every 2 months, and IEC61850browser every 2 months. Most recently, ST BLE Sensor was updated on October 15, 2026 and IEC61850browser on October 20, 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.*