# QVR Pro Client vs iVMS520

QVR Pro Client and iVMS520 both sit at 2.7 stars, but that hides the real split: 35% of QVR Pro Client's written reviews are positive against 20% of iVMS520's. iVMS520's advantage is iOS requirement (10.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 2.7 for QVR Pro Client against 2.6 for iVMS520. Both are backed by a comparable volume of ratings — 47 and 19 respectively. Written reviews are what separate them: 35% of QVR Pro Client's written reviews are positive against 20% of iVMS520's.

QVR Pro Client ships an update every 3 months, iVMS520 every 2 months. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | QVR Pro Client | iVMS520 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (47 ratings)](https://appshunter.io/ios/app/qvr-pro-client/id1187877313/reviews)** | [2.6 (19 ratings)](https://appshunter.io/ios/app/ivms520/id1443531590/reviews) |
| Number of ratings | **47** | 19 |
| Positive reviews | **34.6% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 117 MB | 137 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QNAP Systems, Inc.](https://appshunter.io/developer/355826923) | [HEROSPEED TECHNOLOGY LIMITED](https://appshunter.io/developer/1419463553) |

## What reviewers say

### QVR Pro Client

[App page](https://appshunter.io/ios/app/qvr-pro-client/id1187877313)

Access and manage your IP cameras remotely. Monitor live feeds, review past recordings, and receive instant alerts from your server. Offers advanced control and event logging for comprehensive surveillance.

**Highlights:** View multiple IP cameras, Live and playback modes, Advanced monitoring options, Instant push notifications, Event log playback, E-map camera location display

**In-app purchases:** none


### iVMS520

[App page](https://appshunter.io/ios/app/ivms520/id1443531590)

Monitor your home or office cameras remotely with this P2P network client. View real-time video feeds, capture images, and record footage from anywhere. Stay informed about your property's status in real-time.

**Highlights:** P2P network camera monitoring, Real-time video viewing, Image capture, Video recording, Remote access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QVR Pro Client free?

QVR Pro Client is free to download, with no in-app purchases.

### Is iVMS520 free?

iVMS520 is free to download, with no in-app purchases.

### Which has better reviews, QVR Pro Client or iVMS520?

QVR Pro Client is rated higher. QVR Pro Client averages 2.7 out of 5 from 47 ratings, while iVMS520 averages 2.6 from 19 ratings.

### Do QVR Pro Client or iVMS520 have ads?

Neither QVR Pro Client nor iVMS520 shows ads.

### Which is updated more often, QVR Pro Client or iVMS520?

QVR Pro Client ships an update every 3 months, and iVMS520 every 2 months. Most recently, QVR Pro Client was updated on October 14, 2026 and iVMS520 on September 29, 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.*