Alder NVR vs NVR UMViewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 2K Professional Security System
- AI Technology
- 2-way audio
- Color night vision
- Flashing lights for crime prevention
- Monitor 2 to 8 cameras
Read full descriptionHide 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.
NVR UMViewer
Read full descriptionHide full description
NVR Mobile Viewer
Screenshots
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Alder NVR | NVR UMViewer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (884 ratings) — better | — |
| Positive reviews | 92.3% of reviews | — |
| Number of ratings | 884 — better | — |
| Update frequency | Every 6 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 105 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Alder Holdings, LLC | DongHyuk 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
Alder NVR
No in-app purchases
NVR UMViewer
No in-app purchases








