# USB vs SubTrack

The clearest difference is in-app purchases: USB at none against SubTrack's 2. USB also leads on iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. SubTrack sells 2 in-app purchases, starting at $1.99 per month. USB asks for nothing beyond the download.

## The numbers

| Metric | USB | SubTrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (16 ratings)](https://appshunter.io/ios/app/usb-connect/id1563292212/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 74 MB | 3 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [U.S. Boiler Company, LLC.](https://appshunter.io/developer/608292333) | [priyank bhardwaj](https://appshunter.io/developer/1889031379) |

## What reviewers say

### USB

[App page](https://appshunter.io/ios/app/usb-connect/id1563292212)

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.

**Highlights:** 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

**In-app purchases:** none


### SubTrack

[App page](https://appshunter.io/ios/app/subtrack-subscription-tracker/id6761676350)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubTrack Pro Monthly | $1.99 | per month |
| SubTrack Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is USB free?

USB is free to download, with no in-app purchases.

### Is SubTrack free?

SubTrack is free to download, with in-app purchases available.

### Do USB or SubTrack have ads?

Neither USB nor SubTrack shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*