# Alien DVR Client HD vs Express Scan

The clearest difference is rating: Alien DVR Client HD at 5.0 against Express Scan's 4.3. Alien DVR Client HD also leads on ads (none vs shown) and monetization model (free vs ad-supported). Express Scan's advantage is update cadence (every 6 days vs every 7 months) and ratings volume (4 vs 1). On price 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.

Alien DVR Client HD holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Alien DVR Client HD ships an update every 7 months, Express Scan every 6 days. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Alien DVR Client HD | Express Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/alien-dvr-client-hd/id577794173/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/express-scanfast-pdf-scanner/id1625121991/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 15.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 6 days** |
| Monetization | **Free** | Ad-supported |
| Size | 54 MB | 26 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [System Q Ltd](https://appshunter.io/developer/370142338) | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) |

## What reviewers say

### Alien DVR Client HD

[App page](https://appshunter.io/ios/app/alien-dvr-client-hd/id577794173)

View live and recorded footage from your Alien DVR system on your iPad. This client offers real-time previews, camera control, and remote management for up to 100 devices.

**Highlights:** Real-time video preview (up to 16 channels), PTZ swipe control, Pinch to zoom, Preset activation and configuration, Snapshot capture, Supports up to 100 devices, Remote configuration and account management

**Features:** macOS Compatibility

**In-app purchases:** none


### Express Scan

[App page](https://appshunter.io/ios/app/express-scanfast-pdf-scanner/id1625121991)

This free utility app allows you to scan documents, ID cards, and pictures, converting them into PDF format. You can then save, share, and print your scanned files easily from your mobile device.

**Highlights:** Scan documents and pictures, Convert to PDF format, Save scanned files, Share PDF documents, Print PDF files

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

**In-app purchases:** none


## Frequently asked questions

### Is Alien DVR Client HD free?

Alien DVR Client HD is free to download, with no in-app purchases.

### Is Express Scan free?

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

### Which has better reviews, Alien DVR Client HD or Express Scan?

Alien DVR Client HD is rated higher. Alien DVR Client HD averages 5.0 out of 5 from 1 ratings, while Express Scan averages 4.3 from 4 ratings.

### Do Alien DVR Client HD or Express Scan have ads?

Express Scan shows ads; Alien DVR Client HD does not.

### Which is updated more often, Alien DVR Client HD or Express Scan?

Alien DVR Client HD ships an update every 7 months, and Express Scan every 6 days. Most recently, Alien DVR Client HD was updated on October 14, 2026 and Express Scan on October 15, 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.*