BlueHHT vs IU Station Installer
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.
IU Station Installer
This application streamlines the installation process for electric vehicle charging stations. It allows installers to scan charging station hardware and input necessary details directly from their mobile device to complete the installation.
- Scan charging station hardware
- Input installation information
- Complete installations via mobile
- Streamlined installer workflow
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Invisible Urban is a rapidly growing end-to-end EV charging as a service business. Our core mission is to accelerate the transition to electric transportation. The Invisible Urban Installer app engages directly with you, an IU installer, to provide a simple & clear experience for the successful installation of an Invisible Urban charging station. • Scan the Invisible Urban charging station, input the required information, & tap Install on your phone
Screenshots
Verdict
BlueHHT and IU Station Installer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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, IU Station Installer every 10 months. The most recent releases landed on October 27, 2026 and October 12, 2026 respectively.
| Parameter | BlueHHT | IU Station Installer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 12 months | Every 10 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 15 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Dohmann Engineering Services | Invisible Urban Charging Limited |
In-app purchases
BlueHHT
No in-app purchases
IU Station Installer
No in-app purchases
Questions
Is BlueHHT free?
Is IU Station Installer free?
Do BlueHHT or IU Station Installer have ads?
Which is updated more often, BlueHHT or IU Station Installer?
Other comparisons
