# ST BLE Sensor vs Arbo3

ST BLE Sensor and Arbo3 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ST BLE Sensor ships an update every 2 months, Arbo3 every 6 weeks. The most recent releases landed on June 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | ST BLE Sensor | Arbo3 |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 55 MB | 34 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STMicroelectronics International N.V.](https://appshunter.io/developer/1801774735) | [Arbo3 Inc.](https://appshunter.io/developer/1709629269) |

## 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


### Arbo3

[App page](https://appshunter.io/ios/app/arbo3/id6468230526)

**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 Arbo3 free?

Arbo3 is free to download, with no in-app purchases.

### Do ST BLE Sensor or Arbo3 have ads?

Neither ST BLE Sensor nor Arbo3 shows ads.

### Which is updated more often, ST BLE Sensor or Arbo3?

ST BLE Sensor ships an update every 2 months, and Arbo3 every 6 weeks. Most recently, ST BLE Sensor was updated on June 19, 2026 and Arbo3 on September 11, 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.*