# USB Camera pro vs Digital Ruler Pro

The clearest difference is in-app purchases: USB Camera pro at none against Digital Ruler Pro's 1. Digital Ruler Pro's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Digital Ruler Pro sells 1 one-off in-app purchase. USB Camera pro asks for nothing beyond the download.

## The numbers

| Metric | USB Camera pro | Digital Ruler Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (13 ratings)](https://appshunter.io/ios/app/usb-camera-pro-capture-driver/id6450260394/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 46.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Ad-supported | — |
| Size | 35 MB | 6 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Changsha Chunjue Information Technology Co., Ltd.](https://appshunter.io/developer/1692530882) | [学友 刘](https://appshunter.io/developer/1895323694) |

## What reviewers say

### 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


### Digital Ruler Pro

[App page](https://appshunter.io/ios/app/digital-ruler-pro/id6814484613)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $9.99 | one-time |


## Frequently asked questions

### Is USB Camera pro free?

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

### Is Digital Ruler Pro free?

Digital Ruler Pro is free to download, with in-app purchases available.

### Do USB Camera pro or Digital Ruler Pro have ads?

USB Camera pro shows ads; Digital Ruler Pro does not.

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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.*