# USB vs hiro FXCalc

The clearest difference is iOS requirement: USB at 13.0 against hiro FXCalc's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

USB ships an update every 5 weeks, hiro FXCalc every 3 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | USB | hiro FXCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (29 ratings)](https://appshunter.io/ios/app/usb-view/id1404195213/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 1 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [志强 童](https://appshunter.io/developer/1214909933) | [hiromokuten Co.,Ltd.](https://appshunter.io/developer/1809942333) |

## What reviewers say

### USB

[App page](https://appshunter.io/ios/app/usb-view/id1404195213)

This application connects to WIFI image transmission equipment, enabling wireless image data transfer between cameras and iOS devices. It allows for real-time, free transmission of visuals from anywhere, anytime.

**Highlights:** WIFI image transmission, Wireless connection to iOS devices, Real-time image data transfer, Anytime, anywhere access, Free wireless transmission

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### hiro FXCalc

[App page](https://appshunter.io/ios/app/hiro-fxcalc/id6806290012)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is USB free?

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

### Is hiro FXCalc free?

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

### Do USB or hiro FXCalc have ads?

Neither USB nor hiro FXCalc shows ads.

### Which is updated more often, USB or hiro FXCalc?

USB ships an update every 5 weeks, and hiro FXCalc every 3 weeks. Most recently, USB was updated on November 2, 2026 and hiro FXCalc on October 31, 2026.

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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.*