GATTBrowser vs Nu Scanner
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
Nu Scanner
Easily scan barcodes and QR codes to retrieve associated data. This utility app fetches information directly from APIs when available, providing quick access to details.
- Scan barcodes
- Scan QR codes
- Fetch data from API
- View scanned information
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This application is used to scan barcodes, QR and fetch data from API if available.
Screenshots
Verdict
The clearest difference is rating: Nu Scanner at 5.0 against GATTBrowser's 4.6. GATTBrowser's advantage is ratings volume (210 vs 1). On price, update cadence, ads and in-app purchases 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.
Nu Scanner holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: GATTBrowser has 210 ratings behind it against 1, so its average is the more settled of the two.
GATTBrowser ships an update every 2 months, Nu Scanner monthly. The most recent releases landed on September 22, 2026 and June 10, 2026 respectively.
| Parameter | GATTBrowser | Nu Scanner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (210 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 210 — better | 1 |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 9 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Renesas Electronics | Gus Vargas |
Customer experience
GATTBrowser
Nu Scanner
In-app purchases
GATTBrowser
No in-app purchases
Nu Scanner
No in-app purchases








