BlueHHT vs UGOKU Pad
Price, ratings, monetisation and update history for both apps, side by side — 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.
UGOKU Pad
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UGOKU Pad is an application that connects a microcontroller such as ESP32 to a smartphone via Bluetooth for easy operation. You can create your own control panel by combining various widgets such as joysticks, sliders, and buttons. It can be used for various purposes such as operating motors and monitoring sensor data. Arduino sample code for ESP32 is also provided, so feel free to try it out.
Screenshots
Verdict
The clearest difference is update cadence: UGOKU Pad at every 4 months against BlueHHT's every 12 months. BlueHHT's advantage is iOS requirement (13.0 vs 15.0). 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
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, UGOKU Pad every 4 months. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.
| Parameter | BlueHHT | UGOKU Pad |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Dohmann Engineering Services | Tomohiro Aoki |
In-app purchases
BlueHHT
No in-app purchases
UGOKU Pad
No in-app purchases
Questions
Is BlueHHT free?
Is UGOKU Pad free?
Do BlueHHT or UGOKU Pad have ads?
Which is updated more often, BlueHHT or UGOKU Pad?
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