# B.B. Link Configurator vs trx

The clearest difference is update cadence: B.B. Link Configurator at every 5 weeks against trx's every 23 months. trx's advantage is iOS requirement (13.0 vs 16.6). 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.

B.B. Link Configurator ships an update every 5 weeks, trx every 23 months. The most recent releases landed on September 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | B.B. Link Configurator | trx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/bb-link-configurator/id6476163710/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 23 months |
| Monetization | Free | — |
| Size | 3 MB | 20 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Island Magic Co.](https://appshunter.io/developer/1529387252) | [micro systems](https://appshunter.io/developer/1023315804) |

## What reviewers say

### B.B. Link Configurator

[App page](https://appshunter.io/ios/app/bb-link-configurator/id6476163710)

Configure a Bluetooth adapter to connect your amateur radio to an iOS device. This enables data exchange with apps like RadioMail and aprs.fi using the radio's TNC as a packet modem.

**Highlights:** Configure B.B. Link Bluetooth adapter, Pair with Kenwood TH-D74/TH-D75 radios, Connect radio (Bluetooth Classic) to iOS (BLE), Utilize radio's TNC as packet modem, Data exchange with amateur radio apps

**Features:** macOS Compatibility

**In-app purchases:** none


### trx

[App page](https://appshunter.io/ios/app/trx-control/id6478390481)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is B.B. Link Configurator free?

B.B. Link Configurator is free to download, with no in-app purchases.

### Is trx free?

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

### Do B.B. Link Configurator or trx have ads?

Neither B.B. Link Configurator nor trx shows ads.

### Which is updated more often, B.B. Link Configurator or trx?

B.B. Link Configurator ships an update every 5 weeks, and trx every 23 months. Most recently, B.B. Link Configurator was updated on September 24, 2026 and trx on October 9, 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.*