# Watcher VMS vs Sentinel VMS

The clearest difference is update cadence: Sentinel VMS at daily against Watcher VMS's every 2 months. Watcher VMS's advantage is iOS requirement (10.0 vs 16.0). 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.

Watcher VMS ships an update every 2 months, Sentinel VMS daily. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Watcher VMS | Sentinel VMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sentinel-vms/id6780667120/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | — | Free |
| Size | 11 MB | 4 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Watcher Products](https://appshunter.io/developer/1357081904) | [Handoffgrid llc](https://appshunter.io/developer/6774735397) |

## What reviewers say

### Watcher VMS

[App page](https://appshunter.io/ios/app/watcher-vms/id1619101484)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sentinel VMS

[App page](https://appshunter.io/ios/app/sentinel-vms/id6780667120)

Access your Mac-based security camera system from your iPhone or iPad. View live feeds, review recorded events, and receive instant alerts powered by on-device AI. Your video data remains private and stored on your Mac.

**Highlights:** Live camera streaming, Event review and playback, On-device AI event detection, Instant push notifications, QR code pairing, Demo mode for exploration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Watcher VMS free?

Watcher VMS is free to download, with no in-app purchases.

### Is Sentinel VMS free?

Sentinel VMS is free to download, with no in-app purchases.

### Do Watcher VMS or Sentinel VMS have ads?

Neither Watcher VMS nor Sentinel VMS shows ads.

### Which is updated more often, Watcher VMS or Sentinel VMS?

Watcher VMS ships an update every 2 months, and Sentinel VMS daily. Most recently, Watcher VMS was updated on October 27, 2026 and Sentinel VMS on October 28, 2026.

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