# S vs USB Camera pro

The clearest difference is ads: S at none against USB Camera pro's shown. S also leads on monetization model (free vs ad-supported) and iOS requirement (6.0 vs 17.0). USB Camera pro's advantage is rating (3.2 vs 3.0) and ratings volume (13 vs 2). On price, update cadence, in-app purchases and device support there is nothing between them.

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

USB Camera pro holds the better App Store score, 3.2 against 3.0. That said, the two scores are not equally well evidenced: USB Camera pro has 13 ratings behind it against 2, so its average is the more settled of the two.

S ships an update monthly, USB Camera pro every 2 months. The most recent releases landed on September 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | S | USB Camera pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/s-viewer/id824140331/reviews) | **[3.2 (13 ratings)](https://appshunter.io/ios/app/usb-camera-pro-capture-driver/id6450260394/reviews)** |
| Number of ratings | 2 | **13** |
| Positive reviews | — | 46.4% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 12 MB | 35 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TSUNG JUNG HU](https://appshunter.io/developer/588252161) | [长沙春觉信息科技有限公司](https://appshunter.io/developer/1692530882) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-viewer/id824140331)

This app allows you to view live images from a USB camera connected to a WiFi station wirelessly. You can capture, record, freeze, and annotate the video feed, and even switch to your iOS device's camera.

**Highlights:** Wireless USB camera transfer, Live image preview, Capture and record video, Freeze and draw on video, Switch camera resolutions, Adjust image quality (brightness), Use iOS device camera

**Features:** macOS Compatibility

**In-app purchases:** none


### USB Camera pro

[App page](https://appshunter.io/ios/app/usb-camera-pro-capture-driver/id6450260394)

This app enables iPads to function as external displays for USB cameras and video capture cards. It offers plug-and-play connectivity without drivers, supporting various devices and providing features like recording, screenshots, and image enhancement.

**Highlights:** Connect USB cameras and capture cards to iPad, External display for video capture, Plug-and-play, no driver needed, Synchronous recording of audiovisual picture, One-click screenshot, Super resolution picture quality enhancement

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

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is USB Camera pro free?

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

### Which has better reviews, S or USB Camera pro?

USB Camera pro is rated higher. S averages 3.0 out of 5 from 2 ratings, while USB Camera pro averages 3.2 from 13 ratings.

### Do S or USB Camera pro have ads?

USB Camera pro shows ads; S does not.

### Which is updated more often, S or USB Camera pro?

S ships an update monthly, and USB Camera pro every 2 months. Most recently, S was updated on September 19, 2026 and USB Camera pro on October 5, 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.*