DS cam vs Mercury Interpret
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Real-time camera monitoring
- Alert notifications
- PTZ, patrol, and lens control
- Advanced recording filters
- Essential management tasks
- Snapshot management
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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
Mercury Interpret
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | DS cam | Mercury Interpret |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (172 ratings) — better | — |
| Positive reviews | 31.8% of reviews | — |
| Number of ratings | 172 — better | — |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 85 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Synology 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
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- 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
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- 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
DS cam
No in-app purchases
Mercury Interpret
No in-app purchases









