# USB vs CROO Timer

The clearest difference is in-app purchases: USB at none against CROO Timer's 2. USB also leads on iOS requirement (13.0 vs 15.1). CROO Timer's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads and device support there is nothing between them.

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

USB ships an update every 5 weeks, CROO Timer every 2 weeks. The most recent releases landed on October 6, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | USB | CROO Timer |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 57 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [志强 童](https://appshunter.io/developer/1214909933) | [Venisi Taufa](https://appshunter.io/developer/1895865609) |

## 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


### CROO Timer

[App page](https://appshunter.io/ios/app/croo-timer/id6786806570)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CROO Timer Plus Monthly | $1.99 | per month |
| CROO Timer Plus Yearly | $19.99 | per year |


## Frequently asked questions

### Is USB free?

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

### Is CROO Timer free?

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

### Do USB or CROO Timer have ads?

Neither USB nor CROO Timer shows ads.

### Which is updated more often, USB or CROO Timer?

USB ships an update every 5 weeks, and CROO Timer every 2 weeks. Most recently, USB was updated on October 6, 2026 and CROO Timer on September 26, 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.*