# RF Tools vs GATTBrowser

The clearest difference is rating: GATTBrowser at 4.6 against RF Tools's 3.0. GATTBrowser also leads on update cadence (every 2 months vs every 14 months) and ratings volume (210 vs 3). On price, ads, in-app purchases and monetization model 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 3.0. That said, the two scores are not equally well evidenced: GATTBrowser has 210 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 60% of RF Tools's written reviews are positive against 70% of GATTBrowser's.

RF Tools ships an update every 14 months, GATTBrowser every 2 months. The most recent releases landed on June 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | RF Tools | GATTBrowser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/rf-tools/id525678686/reviews) | **[4.6 (210 ratings)](https://appshunter.io/ios/app/gattbrowser/id1163057977/reviews)** |
| Number of ratings | 3 | **210** |
| Positive reviews | 60.0% of reviews | **70.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 12 MB | 9 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HUBER + SUHNER AG](https://appshunter.io/developer/525678889) | [Renesas Electronics](https://appshunter.io/developer/1073878075) |

## What reviewers say

### RF Tools

[App page](https://appshunter.io/ios/app/rf-tools/id525678686)

This utility app helps engineers and students calculate and convert RF-specific values like impedance, wavelength, and return loss. It also includes a calculator for comparing RF cables and assemblies, and provides access to product catalogs and branch information.

**Highlights:** RF value conversion (impedance, wavelength, return loss), RF assembly calculator, dB calculator, Product catalog access, Branch locator

**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 RF Tools free?

RF Tools 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, RF Tools or GATTBrowser?

GATTBrowser is rated higher. RF Tools averages 3.0 out of 5 from 3 ratings, while GATTBrowser averages 4.6 from 210 ratings.

### Do RF Tools or GATTBrowser have ads?

Neither RF Tools nor GATTBrowser shows ads.

### Which is updated more often, RF Tools or GATTBrowser?

RF Tools ships an update every 14 months, and GATTBrowser every 2 months. Most recently, RF Tools was updated on June 9, 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.*