USB vs DeviceConnector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
USB
This tool connects to U.S. Boiler modulating condensing boilers via a Bluetooth adapter for commissioning, diagnostics, and service. It offers wizards for startup and troubleshooting, data logging, and remote support capabilities through a web portal.
- Bluetooth connectivity to boilers
- Commissioning, diagnostic, and service functions
- Startup, troubleshoot, and service wizards
- Cloud data logging and reporting
- Remote support via web portal
- Boiler firmware and parameter updates
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USB-Connect is a commissioning, diagnostic and service tool consisting of a Bluetooth Adaptor and mobile device app. The app communicates with any U.S. Boiler modulating condensing boiler. USB-Connect is a local service tool with web portal data collection and live streaming to enable remote support. Compatible Boilers include Alpine, Alta, AltaC, Aspen, AspenC, K2WT, K2WTC, K2FT and XC Modulating Condensing Boilers. USB-Connect Features: • Bluetooth Adaptor connects boiler to USB-Connect App. • English and Spanish Language. • Start-up, Troubleshoot and Service Wizards. • Data logs, site photos, service & status reports sent to cloud. • Alta Boiler Control firmware and default parameter updates.
DeviceConnector
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Introducing the DeviceConnector: Effortlessly toggle between server and direct modes for your device. Simplify device management and enhance your control with this intuitive app.
Screenshots
Verdict
The clearest difference is update cadence: USB at monthly against DeviceConnector's every 25 months. USB also leads on 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.
USB ships an update monthly, DeviceConnector every 25 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | USB | DeviceConnector |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (16 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Monthly — better | Every 25 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 74 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | U.S. Boiler Company, LLC. | Trinix inc. |
In-app purchases
USB
No in-app purchases
DeviceConnector
No in-app purchases
