BlueHHT vs Digifly AirTools BLE
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
BlueHHT
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BlueHHT is a virtual hand held terminal (HHT) for use with GSI's (Gauging Systems Inc.) tank gauging transmitters. It is able to configure and monitor GSI's APTB2, APTB3, and APTB3.6 transmitter cards via a wireless UART device. BlueHHT is not a general purpose hand held terminal emulator. It only supports the specific GSI devices described here. If you need a general purpose hand held terminal emulator, please refer to the BlueQTerm app.
Digifly AirTools BLE
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Digifly ā Official Companion App Digifly App is the official companion application for Digifly flight instruments. Designed for hang glider and paraglider pilots, the app allows you to connect your Digifly device via Bluetooth and manage essential settings directly from your iPhone. Main features ā¢ Instrument configuration and setup ā¢ Waypoint and task management ā¢ Flight download ā¢ Device customization Limited features are available without a connected device. Full functionality requires a compatible Digifly flight instrument. Compatible devices ā¢ Digifly AirXC ā¢ Digifly AirPRO ā¢ Digifly AirPRO Pitot series A Digifly account is required to access all features.
Screenshots
Verdict
The clearest difference is update cadence: Digifly AirTools BLE at every 2 months against BlueHHT's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BlueHHT ships an update every 12 months, Digifly AirTools BLE every 2 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | BlueHHT | Digifly AirTools BLE |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 2 months ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details ā not scored | ||
| Size | 15 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Dohmann Engineering Services | Fabio Caresi |
In-app purchases
BlueHHT
No in-app purchases
Digifly AirTools BLE
No in-app purchases
Questions
Is BlueHHT free?
Is Digifly AirTools BLE free?
Do BlueHHT or Digifly AirTools BLE have ads?
Which is updated more often, BlueHHT or Digifly AirTools BLE?
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