# The Sentry vs Sylva Deer Manager

The clearest difference is in-app purchases: Sylva Deer Manager at none against The Sentry's 4. Sylva Deer Manager also leads on update cadence (every 9 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. The Sentry sells 4 in-app purchases, starting at $1.99 per month. Sylva Deer Manager asks for nothing beyond the download.

The Sentry ships an update every 3 months, Sylva Deer Manager every 9 days. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The Sentry | Sylva Deer Manager |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 68 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stuart Evans](https://appshunter.io/developer/1499887422) | [Sylva Deer and Veterinary Services](https://appshunter.io/developer/1872678496) |

## What reviewers say

### The Sentry

[App page](https://appshunter.io/ios/app/the-sentry/id1499887423)

This app provides advanced personal security features for teams, including live location sharing, check-ins, and one-touch panic alarms with video capture. It helps deter attackers and ensures team members get home safely.

**Highlights:** Live location sharing, One-touch panic alarms (loud/silent), Video capture with panic alarm, Check-in feature for lone workers, Fake call widget, Global coverage

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Panic Button Premium | $1.99 | per month |
| Panic Button Unlimited | $5.49 | per month |
| Full Version | $5.99 | per month |
| Full Version - Yearly | $59.99 | per year |


### Sylva Deer Manager

[App page](https://appshunter.io/ios/app/sylva-deer-manager/id6758393734)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Sentry free?

The Sentry is free to download, with in-app purchases available.

### Is Sylva Deer Manager free?

Sylva Deer Manager is free to download, with no in-app purchases.

### Do The Sentry or Sylva Deer Manager have ads?

Neither The Sentry nor Sylva Deer Manager shows ads.

### Which is updated more often, The Sentry or Sylva Deer Manager?

The Sentry ships an update every 3 months, and Sylva Deer Manager every 9 days. Most recently, The Sentry was updated on October 4, 2026 and Sylva Deer Manager on October 24, 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.*