QVR Pro Client vs iVMS520
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QVR Pro Client
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.
- View multiple IP cameras
- Live and playback modes
- Advanced monitoring options
- Instant push notifications
- Event log playback
- E-map camera location display
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QVR Pro Client provides an intuitive interface for your QVR Pro / Elite server, helping you manage IP cameras, monitor live views, and play back previous recordings using your mobile devices. Minimum system requirements: - QVR Pro / Elite installed and initialized on the QNAP NAS running QTS 4.3.0 - The latest version of QTS 4.3.4 is required for enabling push notifications and activating licenses. - QVR Pro 1.1.0 is required for querying event logs. Key Features: - Supports viewing multiple IP cameras connected to QVR Pro. - Supports switching instantly between the Live and Playback modes and clicking the timeline to play back recordings from a specific moment. - Provides various advanced monitoring options: Sequential mode, PTZ control, auto cruising and preset point control. - Supports sending instant push notifications. - Provides the option to click snapshots in event logs to play back previous events. - Displays camera locations and event icons on E-maps to allow for comprehensive monitoring.
iVMS520
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.
- P2P network camera monitoring
- Real-time video viewing
- Image capture
- Video recording
- Remote access
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The iVMS520 client is an easy to use P2P network camera video monitoring professional mobile phone client software, connected by a sequence number, the only global P2P network and network cameras installed in the home or office, view real-time video images, and image capture, video. The scene situation users can learn in the shortest possible time home or office. P2P network camera of the software production and the company in the network of cooperation to normal use.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 7, 2026 and September 29, 2026 respectively.
| Parameter | QVR Pro Client | iVMS520 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (47 ratings) — better | 2.6 (19 ratings) |
| Positive reviews | 34.6% of reviews — better | 20.0% of reviews |
| Number of ratings | 47 — better | 19 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 117 MB | 137 MB |
| Age rating | 4+ | 4+ |
| Developer | QNAP Systems, Inc. | HEROSPEED TECHNOLOGY LIMITED |
Customer experience
QVR Pro Client
iVMS520
In-app purchases
QVR Pro Client
No in-app purchases
iVMS520
No in-app purchases









