# DS cam vs Mercury Interpret

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.

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.

## The numbers

| Metric | DS cam | Mercury Interpret |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (172 ratings)](https://appshunter.io/ios/app/ds-cam/id349087111/reviews)** | — |
| Number of ratings | **172** | — |
| Positive reviews | 31.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 85 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Synology Inc.](https://appshunter.io/developer/321493109) | [Wen-Chi Chou](https://appshunter.io/developer/1642680017) |

## What reviewers say

### DS cam

[App page](https://appshunter.io/ios/app/ds-cam/id349087111)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Works great
- 👍 Good and useful app
- 🚀 Fast and stable
- 👍 Completely control camera recordings
- 👍 Toggle through events easily

**What reviewers complain about**

- 🐛 Regular app crashing
- 🐛 Crashes frequently
- 🐛 Cannot scroll back in timeline without issues
- 🐛 Event viewer rarely works
- 🐛 Slow and clunky

**Reported bugs**

- Regular app crashing
- Cannot scroll back in timeline without issues
- Event viewer rarely works
- Keeps buffering
- Crashes constantly

**Requested features**

- Selective motion notifications
- Custom notification sounds
- Ability to categorize alerts
- Live scrubbing on timeline
- Bookmarks and advanced filtering


### Mercury Interpret

[App page](https://appshunter.io/ios/app/mercury-interpret/id6748343086)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*