Comparison

D vs Merkury Smart

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

Head to head
About

D

This free video app connects you to a secured world, supporting a full line of products with H.264 & H.265 video codecs. It offers live and playback video previews, device and record management, and alarm information.

Highlights
  • H.264 & H.265 decoding
  • Live video preview (16 channels)
  • Playback video preview (4 channels)
  • Device information management
  • Record video and snapshot management
  • Device alarm information management
  • Multi-language support
Features
Read full description

`Connecting with more secured world is our mission and you can get it here, the free video app that allows you to easily available anywhere, which supports the full line of our products that support standard H.264&H.265 video codec. The key features of Inview-Lite Application include: *Decoding support H264 & H265 *Live video preview of 16 channels at least. *Playback video preview of 4 channel. *Management of the sets of devices info. *Management of the sets of record videos and snapshot images. *Management of the device alarm infos. *Support for 21 languages if you want to switch. *More and more functions you can find when in use.

About

Merkury Smart

Control and monitor a range of smart home devices, including cameras, lights, and plugs, from anywhere. Watch live HD streams, review recorded footage, and customize lighting effects for a connected home experience.

Highlights
  • Live HD video streaming
  • Motion detection alerts
  • Review recorded footage
  • Control smart lights
  • Manage smart plugs
  • Multi-camera support
Features
Read full description

Use this app with the Merkury Indoor Smart Camera, Merkury Outdoor Smart Camera, Merkury Auto-Follow Smart Camera, Merkury Smart Color Bulb, Merkury Smart Plug, Merkury Smart LED Strip Merkury Smart Doorbell Camera, Merkury Smart Wi-Fi Floodlight Camera, and Merkury Smart Wi-Fi Outlet Extender. Use this app to: -Watch Live HD Streaming: Quickly access your camera’s live video to see what is happening at a glance. Monitor your home or business to get peace of mind when you are away. Get notified when motion is detected. Set up Rules to automatically record and save events right when they happen. -Look Back at Activity: Review recorded HD videos and photos to see what you missed. Download and share important video clips to let others know what happened. -Do-It-Yourself Simplicity: Expand your view by adding multiple cameras to a single account. Securely access cameras across multiple locations to keep everything safe. -LED Strips Light It Up: For cabinets, under furniture, TV’s and more, our brilliant room light strips add color and vibrancy to your home! Great for holidays or anytime these lights work to illuminate with thousands of color and temperature variations. -Smart Plug: The Smart Plug lets you control devices from anywhere, at any time. Take up less space with this in-wall option that’s ideal for your living room, kitchen, even your bedroom. -Wi-Fi Light Bulb: Easily control or dim your lights from across the room or across the country with just your voice or the Merkury Smart app. Smart bulbs have Wi-Fi built in for simple set up so you’ll never get caught in the dark again. -Control From Anywhere: Using the innovative Merkury Smart app, you can control your smart devices anytime, anywhere.

Screenshots

D3 screens
Merkury Smart4 screens

Verdict

The call

The clearest difference is rating: Merkury Smart at 4.7 against D's 1.0. Merkury Smart also leads on ratings volume (38K vs 1) and update cadence (every 6 weeks vs every 3 months). D's advantage is iOS requirement (10.0 vs 15.5). On price, review sentiment, ads and in-app purchases 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

Merkury Smart holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Merkury Smart has 38K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 15% of D's written reviews are positive against 23% of Merkury Smart's.

UpkeepUpdate frequency

D ships an update every 3 months, Merkury Smart every 6 weeks. The most recent releases landed on November 2, 2026 and November 13, 2026 respectively.

Scorecard5 real differences · 6 level
D versus Merkury Smart: the parameters behind the verdict, then further details
ParameterDMerkury Smart
PriceFreeFree
Rating1.0 (1 ratings)4.7 (38K ratings) — better
Positive reviews15.4% of reviews22.8% of reviews — better
Number of ratings138K — better
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank—#164 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.0 — better15.5
Further details — not scored
Size90 MB106 MB
Age rating4+4+
DeveloperD-Link (India) LimtedMerkury Innovations LLC

Customer experience

D

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews13 reviews
Positive15.4%
Neutral7.7%
Negative76.9%

Merkury Smart

All ratings38,046 ratings
Positive92.9%
Neutral3.8%
Negative3.3%
Written reviews465 reviews
Positive22.8%
Neutral9.7%
Negative67.5%

Bugs and requests

D

Not enough reviews yet to summarise bugs or requests.

Merkury Smart

Reported bugs

4 issues
  • App crashes frequently
  • Issues with password reset
  • Trouble connecting cameras
  • SD card not recognized

Requested features

6 requests
  • Add option to invite family members
  • Improve motion detection and notifications
  • Allow saving of photos and recordings
  • Improve WiFi connectivity
  • Add more customization options
Show 1 more
  • Integrate with smart home platforms

In-app purchases

None

D

No in-app purchases

None

Merkury Smart

No in-app purchases

Questions

Is D free?
D is free to download, with no in-app purchases.
Is Merkury Smart free?
Merkury Smart is free to download, with no in-app purchases.
Which has better reviews, D or Merkury Smart?
Merkury Smart is rated higher. D averages 1.0 out of 5 from 1 ratings, while Merkury Smart averages 4.7 from 38K ratings.
Do D or Merkury Smart have ads?
Neither D nor Merkury Smart shows ads.
Which is updated more often, D or Merkury Smart?
D ships an update every 3 months, and Merkury Smart every 6 weeks. Most recently, D was updated on November 2, 2026 and Merkury Smart on November 13, 2026.

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