yACK FAST vs BlueHHT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
yACK FAST
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Tool for using BlueSnap M6A wireless module, Scanfob® Brand RFID-NFC reader/writers, Scanfob® Brand BLE barcode scanners -View, and setup module parameters -Chat in STEAM mode with UART connected devices. -Show data like sensor readings, barcode/NFC/UHF scans. -Send scanner commands -Get RSSI readings from nearby BLE devices -Bluetooth Smart terminal function -Easy command history Serialio.com provides BLE app development libraries used in this app
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: yACK FAST at every 2 months against BlueHHT's every 12 months. BlueHHT's advantage is iOS requirement (13.0 vs 15.6). 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.
yACK FAST ships an update every 2 months, BlueHHT every 12 months. The most recent releases landed on September 8, 2026 and September 15, 2026 respectively.
| Parameter | yACK FAST | BlueHHT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Serialio Ltd. | Dohmann Engineering Services |
In-app purchases
yACK FAST
No in-app purchases
BlueHHT
No in-app purchases
Questions
Is yACK FAST free?
Is BlueHHT free?
Do yACK FAST or BlueHHT have ads?
Which is updated more often, yACK FAST or BlueHHT?
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