Comparison

QVR Pro Client vs iVMS520

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • View multiple IP cameras
  • Live and playback modes
  • Advanced monitoring options
  • Instant push notifications
  • Event log playback
  • E-map camera location display
Read full description

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.

About

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.

Highlights
  • P2P network camera monitoring
  • Real-time video viewing
  • Image capture
  • Video recording
  • Remote access
Features
Read full description

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

QVR Pro Client4 screens
iVMS5202 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
QVR Pro Client versus iVMS520: the parameters behind the verdict, then further details
ParameterQVR Pro ClientiVMS520
PriceFreeFree
Rating2.7 (47 ratings) — better2.6 (19 ratings)
Positive reviews34.6% of reviews — better20.0% of reviews
Number of ratings47 — better19
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.010.0 — better
Further details — not scored
Size117 MB137 MB
Age rating4+4+
DeveloperQNAP Systems, Inc.HEROSPEED TECHNOLOGY LIMITED

Customer experience

QVR Pro Client

All ratings47 ratings
Positive38.3%
Neutral10.6%
Negative51.1%
Written reviews107 reviews
Positive34.6%
Neutral13.1%
Negative52.3%

iVMS520

All ratings19 ratings
Positive36.8%
Neutral0.0%
Negative63.2%
Written reviews10 reviews
Positive20.0%
Neutral10.0%
Negative70.0%

In-app purchases

None

QVR Pro Client

No in-app purchases

None

iVMS520

No in-app purchases

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 7, 2026 and iVMS520 on September 29, 2026.

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