Comparison

DS cam vs Mercury Interpret

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

Head to head
About

DS cam

Monitor and receive alerts from your Synology surveillance cameras. Control PTZ, patrols, and lens functions in real-time. Easily filter recordings and manage essential tasks like disabling cameras or deleting snapshots.

Highlights
  • Real-time camera monitoring
  • Alert notifications
  • PTZ, patrol, and lens control
  • Advanced recording filters
  • Essential management tasks
  • Snapshot management
Features
Read full description

You must own a Synology NAS or NVR to run this app, and be running the latest Surveillance Station to get the complete set of features. DS cam makes it possible to monitor and receive alert notifications from all your surveillance cameras set up on a Synology DiskStation. Smart features such as PTZ, patrols or lens control allow for perfect control of your cameras in real-time, while advanced filters make it easy to pinpoint any specific event from large lists of recordings. You can even perform all essential management tasks, from disabling a camera to unlocking and deleting a snapshot. Find all detailed features about the app on our website: www.synology.com > Solutions > Surveillance > Surveillance Mobile > Specifications https://www.synology.com/dsm/7.2/software_spec/surveillance_station

About

Mercury Interpret

Features
Read full description

Mercury Interpret is an advanced AI-powered language interpretation tool that automatically performs speech recognition, error correction, and real-time transcription. With support for instant interpretation across multiple languages, it transforms spoken words that were once unintelligible into clear, understandable text. Powered by an enhanced AI core, the Mercury series embodies the spirit of the messenger god, amplifying the intelligence and efficiency of information processing.

Screenshots

DS cam4 screens
Mercury Interpret4 screens

Verdict

The call

The clearest difference is update cadence: Mercury Interpret at fortnightly against DS cam's every 4 months. Mercury Interpret also leads on iOS requirement (13.0 vs 15.0). 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

DS cam ships an update every 4 months, Mercury Interpret fortnightly. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
DS cam versus Mercury Interpret: the parameters behind the verdict, then further details
ParameterDS camMercury Interpret
PriceFreeFree
Rating3.0 (172 ratings) — better—
Positive reviews31.8% of reviews—
Number of ratings172 — better—
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size85 MB24 MB
Age rating4+4+
DeveloperSynology Inc.Wen-Chi Chou

Bugs and requests

DS cam

Reported bugs

16 issues
  • Regular app crashing
  • Cannot scroll back in timeline without issues
  • Event viewer rarely works
  • Keeps buffering
  • Crashes constantly
Show 11 more
  • Battery drain
  • Push notifications not reliable
  • Cannot click on push notifications
  • Cannot download h265 videos
  • Notifications missing thumbnails
  • Slow login process
  • Loses remembered connections
  • Slow to connect
  • Notifications stopped working
  • Crashes iPhone 14 Pro
  • Incompatible with older Surveillance Station versions

Requested features

11 requests
  • Selective motion notifications
  • Custom notification sounds
  • Ability to categorize alerts
  • Live scrubbing on timeline
  • Bookmarks and advanced filtering
Show 6 more
  • Ability to download h265 videos
  • Faster login process
  • Ability to retain remembered connections
  • Apple TV app
  • Dark mode for all screens
  • Ability to quickly switch between cameras

Mercury Interpret

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

DS cam

No in-app purchases

None

Mercury Interpret

No in-app purchases

Questions

Is DS cam free?
DS cam is free to download, with no in-app purchases.
Is Mercury Interpret free?
Mercury Interpret is free to download, with no in-app purchases.
Do DS cam or Mercury Interpret have ads?
Neither DS cam nor Mercury Interpret shows ads.
Which is updated more often, DS cam or Mercury Interpret?
DS cam ships an update every 4 months, and Mercury Interpret fortnightly. Most recently, DS cam was updated on October 18, 2026 and Mercury Interpret on October 6, 2026.

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