GATTBrowser vs ST BLE Toolbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GATTBrowser
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.
- 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
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GATTBrowser is the best generic application to scan nearby Bluetooth Low Energy devices and communicate with them. It also provides specific features to communicate with the Renesas Bluetooth Low Energy products. [Features] - Scans nearby Bluetooth Low Energy devices - Displays the Advertising data - Displays the Received Signal Strength Indication (RSSI) - Connects to Renesas Bluetooth Low Energy Products as well as other Bluetooth Low Energy devices - Displays the Services and Characteristics information - Communicates with Bluetooth Low Energy devices - Supports Renesas specific Services and Characteristics - Allows you to register names for custom Service/Characteristic 128 bit UUIDs - Allows you to edit and/or delete the registerd names for the custom Service/Characteristic 128 bit UUIDs [Note] - Supported on iOS Version 12 or later - Tested on iPhone 6, iPhone 8, iPhone SE (2nd generation) and iPad Air (3rd generation) Refer to the following about Renesas Bluetooth Low Energy products: https://www.renesas.com/application/key-technology/bluetooth-low-energy https://www.renesas.com/products/interface-connectivity/wireless-communications/bluetooth-low-energy Refer to the following about GATTBrowser User's Manual (R21AN0017): https://www.renesas.com/document/apn/gattbrowser-ios-smartphone-application-instruction-manual-rev112
ST BLE Toolbox
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The ST BLE Toolbox is a user-friendly application to interact and debug ST Bluetooth Low Energy (BLE) devices. Upon launch, the app scans for BLE devices. For each device found it is possible to display advertisements and connect to it. The key features are: - Discovery peripherals - Show output of standard profiles - Show peripheral services and characteristics - Perform Read, write and notification interactions with peripherals
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | GATTBrowser | ST BLE Toolbox |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (210 ratings) — better | — |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 210 — better | — |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 9 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Renesas Electronics | STMicroelectronics |
In-app purchases
GATTBrowser
No in-app purchases
ST BLE Toolbox
No in-app purchases
Questions
Is GATTBrowser free?
Is ST BLE Toolbox free?
Do GATTBrowser or ST BLE Toolbox have ads?
Which is updated more often, GATTBrowser or ST BLE Toolbox?
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