Comparison

Alder NVR vs NVR UMViewer

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

Head to head
About

Alder NVR

Monitor your home security system remotely with this app. It offers 2K resolution, AI technology, two-way audio, and color night vision for constant vigilance and peace of mind, whether you're at work or traveling.

Highlights
  • 2K Professional Security System
  • AI Technology
  • 2-way audio
  • Color night vision
  • Flashing lights for crime prevention
  • Monitor 2 to 8 cameras
Features
Read full description

Stay connected to every vital aspect of your home and relish absolute tranquilityStay connected to every vital aspect of your home and relish absolute tranquility, day and night, courtesy of our cutting-edge NVR 2K Professional Security System. With seamless integration into your daily life, our system ensures that no significant event escapes your attention, offering unparalleled vigilance and reassurance. Whether you are at work, traveling, or simply resting at home, our state-of-the-art technology guarantees constant surveillance and protection, empowering you with the confidence to live without worry. Say goodbye to concerns about your home's safety and embrace a lifestyle of unwavering peace of mind with our reliable security solution. In today's world, where ensuring the safety and security of your home is paramount, the demand for effective home monitoring solutions has surged exponentially. Harnessing the power of innovative technology, monitoring your property from afar has never been easier or more accessible. Gone are the days of feeling tethered to your home; now, you can effortlessly watch your property no matter where you are. With Alder’s NVR Mobile App monitoring capabilities at your fingertips, advanced AI Technology, 2-way audio,color nightvision, and flashing lights for crime prevention you can stay informed and in control. Gone are the days of feeling tethered to your home; now, you can effortlessly keep a watchful eye with 2 to 8 cameras on your property no matter where you are.In today's world, where ensuring the safety and security of your home is paramount, the demand for effective home monitoring solutions has surged exponentially. Harnessing the power of innovative technology, monitoring your property from afar has never been easier or more accessible. Gone are the days of feeling tethered to your home; now, you can effortlessly watch your property no matter where you are. With Alder’s NVR Mobile App monitoring capabilities at your fingertips, advanced AI Technology, 2-way audio,color nightvision, and flashing lights for crime prevention you can stay informed and in control. Gone are the days of feeling tethered to your home; now, you can effortlessly keep a watchful eye with 2 to 8 cameras on your property no matter where you are.

About

NVR UMViewer

Features
Read full description

NVR Mobile Viewer

Screenshots

Alder NVR3 screens
NVR UMViewer4 screens

Verdict

The call

The clearest difference is update cadence: NVR UMViewer at weekly against Alder NVR's every 6 months. Alder NVR's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

Alder NVR ships an update every 6 months, NVR UMViewer weekly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Alder NVR versus NVR UMViewer: the parameters behind the verdict, then further details
ParameterAlder NVRNVR UMViewer
PriceFreeFree
Rating4.9 (884 ratings) — better—
Positive reviews92.3% of reviews—
Number of ratings884 — better—
Update frequencyEvery 6 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size105 MB43 MB
Age rating4+4+
DeveloperAlder Holdings, LLCDongHyuk Kim

Bugs and requests

Alder NVR

Reported bugs

2 issues
  • Three out of four cameras not working
  • App has totally stopped working

Requested features

1 request
  • Next mobile app update

NVR UMViewer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Alder NVR

No in-app purchases

None

NVR UMViewer

No in-app purchases

Questions

Is Alder NVR free?
Alder NVR is free to download, with no in-app purchases.
Is NVR UMViewer free?
NVR UMViewer is free to download, with no in-app purchases.
Do Alder NVR or NVR UMViewer have ads?
Neither Alder NVR nor NVR UMViewer shows ads.
Which is updated more often, Alder NVR or NVR UMViewer?
Alder NVR ships an update every 6 months, and NVR UMViewer weekly. Most recently, Alder NVR was updated on November 4, 2026 and NVR UMViewer on October 30, 2026.

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