BlueHHT vs KT
Price, ratings, monetisation and update history for both apps, side by side β 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.
KT
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This is a Bluetooth low energy (BLE) application for GlobalSat KT-520 configuration. By synchronizing with your KT-520, you can check the FW/APP versions and current settings. Also, you can adjust device setting to fulfill different user scenarios. With this application and KT-520 we believe you will have a better experience. Functions: ο»Ώο»ΏBasic Information: Kineis IDH & S/N FW version / APP version ο»Ώο»ΏDevice settings : Transmission durations / GPS acquisition duration Security setting Firmware upgrade Support iOS 11 or above.
Screenshots
Verdict
The clearest difference is update cadence: KT at every 3 weeks against BlueHHT's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· 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, KT every 3 weeks. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.
| Parameter | BlueHHT | KT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 β better |
| Further details β not scored | ||
| Size | 15 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Dohmann Engineering Services | Globalsat Technology Corporation. |
In-app purchases
BlueHHT
No in-app purchases
KT
No in-app purchases
