# GATTBrowser vs ST BLE Toolbox

The clearest difference is update cadence: GATTBrowser at every 2 months against ST BLE Toolbox's every 6 months. GATTBrowser also leads on iOS requirement (12.0 vs 15.0). 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.

GATTBrowser ships an update every 2 months, ST BLE Toolbox every 6 months. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | GATTBrowser | ST BLE Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (210 ratings)](https://appshunter.io/ios/app/gattbrowser/id1163057977/reviews)** | — |
| Number of ratings | **210** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 9 MB | 16 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Renesas Electronics](https://appshunter.io/developer/1073878075) | [STMicroelectronics](https://appshunter.io/developer/1801774735) |

## What reviewers say

### 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


### ST BLE Toolbox

[App page](https://appshunter.io/ios/app/st-ble-toolbox/id1531295550)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GATTBrowser free?

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

### Is ST BLE Toolbox free?

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

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

Neither GATTBrowser nor ST BLE Toolbox shows ads.

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

GATTBrowser ships an update every 2 months, and ST BLE Toolbox every 6 months. Most recently, GATTBrowser was updated on September 22, 2026 and ST BLE Toolbox on September 19, 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.*