# ST BLE Sensor vs GATTBrowser

The clearest difference is review sentiment: GATTBrowser at 70% against ST BLE Sensor's 0%. GATTBrowser also leads on rating (4.6 vs 2.0) and ratings volume (210 vs 10). On price, update cadence, ads and in-app purchases there is nothing between them.

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

GATTBrowser holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: GATTBrowser has 210 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 0% of ST BLE Sensor's written reviews are positive against 70% of GATTBrowser's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 19, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ST BLE Sensor | GATTBrowser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (10 ratings)](https://appshunter.io/ios/app/st-ble-sensor/id993670214/reviews) | **[4.6 (210 ratings)](https://appshunter.io/ios/app/gattbrowser/id1163057977/reviews)** |
| Number of ratings | 10 | **210** |
| Positive reviews | 0.0% of reviews | **70.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 55 MB | 9 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STMicroelectronics International N.V.](https://appshunter.io/developer/1801774735) | [Renesas Electronics](https://appshunter.io/developer/1073878075) |

## 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


### GATTBrowser

[App page](https://appshunter.io/ios/app/gattbrowser/id1163057977)

Scan and communicate with Bluetooth Low Energy devices. Discover advertising data, RSSI, and connect to various BLE devices, including specific Renesas products. Customize service and characteristic names for easier management.

**Highlights:** Scan nearby BLE devices, Display advertising data and RSSI, Connect to BLE devices, View services and characteristics, Support for Renesas BLE products, Register custom UUID names

**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 GATTBrowser free?

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

### Which has better reviews, ST BLE Sensor or GATTBrowser?

GATTBrowser is rated higher. ST BLE Sensor averages 2.0 out of 5 from 10 ratings, while GATTBrowser averages 4.6 from 210 ratings.

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

Neither ST BLE Sensor nor GATTBrowser shows ads.

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

ST BLE Sensor ships an update every 2 months, and GATTBrowser every 2 months. Most recently, ST BLE Sensor was updated on June 19, 2026 and GATTBrowser on September 22, 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.*