B.B. Link Configurator vs Quick DA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Quick DA
Calculate density altitude using onboard sensors and user inputs. Store and edit past calculations in a data log. Supports various input methods and map views for precise environmental data.
- Density Altitude calculation
- Data Log for storing calculations
- GPS and Barometric Pressure Sensor integration
- Weather station data for temperature and humidity
- Map screen for elevation selection
- Multiple input options for pressure
- Unit selection (Feet/Meters, Fahrenheit/Celsius)
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Quick DA uses your devices onboards sensors (GPS and Barometric Pressure Sensor) and user data inputs making it simple to calculate Density Altitude. Store your DA calculations into the Data Log for later reference, or load past Data Logs back into the Environment Tab to further edit your DA calculation. Calculate Density Altitude using: -Ambient Air Temperature + Elevation -Ambient Air Temperature + Barometric Station Pressure -Ambient Air Temperature + Barometric Station Pressure + Relative Humidity Features and Functions: DA calculation, Location and Time the calculation was created prominently displayed Use the Environment input options that work for you Get Ambient Air Temperature from the nearest weather station Receive your current Field Elevation using the device’s GPS Use the Map Screen Feature to select a point on the map and receive its elevation Select between Street, Terrain, and Satellite map options Use your device’s Barometric Pressure Sensor for real-time pressure readings Use the Advanced Pressure Input option for converting Sea Level Adjusted Pressure Get your current Relative Humidity from the nearest weather station Press the + action button to create a Data Log of your DA Calculation Data Log entries display: location, date, time, DA, and input variables used to calculate DA Use the arrow action button to load data back into Environment Tab Use the Clear Button to clear all Environment Tab inputs User selectable Dark, Color, and Light app themes Use Feet or Meters and Fahrenheit or Celsius Quick DA uses Apple MapKit for map interaction, search, road, and satellite imagery. Terrain tile overlays are powered by MapTiler OSM Contributors. Elevation data for selected locations is provided by the USGS Elevation Point Query Service. This app does not have any in-app purchases
Screenshots
Verdict
The clearest difference is price: B.B. Link Configurator at Free against Quick DA's $2.99. B.B. Link Configurator also leads on ratings volume (8 vs 1). Quick DA's advantage is rating (5.0 vs 4.6). On update cadence, 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
B.B. Link Configurator is free to download; Quick DA costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Quick DA holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: B.B. Link Configurator has 8 ratings behind it against 1, so its average is the more settled of the two.
B.B. Link Configurator ships an update every 5 weeks, Quick DA every 2 months. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.
| Parameter | B.B. Link Configurator | Quick DA |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.6 (8 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 8 — better | 1 |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Island Magic Co. | James Watts |
In-app purchases
B.B. Link Configurator
No in-app purchases
Quick DA
No in-app purchases
