Bluetooth Digital Keypad vs BlueHHT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bluetooth Digital Keypad
Control electronic projects like Arduinos remotely via Bluetooth. This app acts as a digital keypad, sending commands and text strings to HM-10 Bluetooth modules. It's ideal for interfacing your phone with custom hardware.
- Bluetooth communication with electronic projects
- Send data to HM-10 modules
- Replace physical keypads
- Control Arduino projects from phone
- Send text strings via Console
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The purpose of this app is to communicate with electronic projects, like Arduinos, through Bluetooth. This app can send data to HM-10 Bluetooth components. It is designed to replace a keypad by making it Bluetooth so Arduino projects can be controlled from a phone instead. This app can also send strings of text too through the Console!
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.
Screenshots
Verdict
The clearest difference is update cadence: Bluetooth Digital Keypad at every 5 months against BlueHHT's every 12 months. 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.
Bluetooth Digital Keypad ships an update every 5 months, BlueHHT every 12 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.
| Parameter | Bluetooth Digital Keypad | BlueHHT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 1 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Ari Wasch | Dohmann Engineering Services |
In-app purchases
Bluetooth Digital Keypad
No in-app purchases
BlueHHT
No in-app purchases
Questions
Is Bluetooth Digital Keypad free?
Is BlueHHT free?
Do Bluetooth Digital Keypad or BlueHHT have ads?
Which is updated more often, Bluetooth Digital Keypad or BlueHHT?
Other comparisons
