Comparison

B.B. Link Configurator vs trx

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

B.B. Link Configurator

Free

🔧 Utilities

★ 4.68 ratingsView app →

About

B.B. Link Configurator

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

Read full description

This app configures the B.B. Link Bluetooth adapter for pairing with a Kenwood TH-D74 or TH-D75 radio. The adapter facilitates a connection between the radio, which uses Bluetooth Classic, and an iOS device via BLE. This connection allows apps like RadioMail, Packet Commander and aprs.fi to utilize the radio's built-in TNC as a packet modem for data exchange over amateur radio.

About

trx

Features

Read full description

trx-control is not a standalone app. It requires a trx-control(7) installation with a running trxd(8) daemon that has WebSockets enabled. The app connects to trxd(8) using a WebSockets and displays all transceivers and extensions that have been configured for client access. The trx-control app is mainly used by radio amateurs to operate transceivers and other hamradio related hardware. Please note that in order to use the callsign lookup feature, a valid QRZ.com subscription is needed.

Screenshots

B.B. Link Configurator3 screens

trx2 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level

B.B. Link Configurator versus trx: the parameters behind the verdict, then further details
Parameter	B.B. Link Configurator	trx
Price	Free	Free
Rating	4.6 (8 ratings) — better	—
Positive reviews	66.7% of reviews	—
Number of ratings	8 — better	—
Update frequency	Every 5 weeks — better	Every 23 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	16.6	13.0 — better
Further details — not scored
Size	3 MB	20 MB
Age rating	4+	4+
Developer	Island Magic Co.	micro systems

In-app purchases

None

B.B. Link Configurator

No in-app purchases

None

trx

No in-app purchases

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.