# Orion Sentry vs Mobile Guard Sentrynet

The clearest difference is update cadence: Mobile Guard Sentrynet at daily against Orion Sentry's weekly. Orion Sentry's advantage is device support (3 vs 1) and iOS requirement (18.5 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Orion Sentry sells 2 in-app purchases, starting at $0.99 per month and Mobile Guard Sentrynet sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Orion Sentry ships an update weekly, Mobile Guard Sentrynet daily. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Orion Sentry | Mobile Guard Sentrynet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/orion-sentry/id1594469593/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 6 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lithium ehf](https://appshunter.io/developer/1583999127) | [Sentrynet Srl](https://appshunter.io/developer/1857584223) |

## What reviewers say

### Orion Sentry

[App page](https://appshunter.io/ios/app/orion-sentry/id1594469593)

Receive instant alerts on your iPhone when your Mac's security is breached. Browse and save motion-triggered photos stored in iCloud through a clean interface. This free companion app enhances your Mac's security system.

**Highlights:** Instant alarm alerts on iPhone, Browse motion-triggered photos, Save security photos to iPhone, Clean, modern interface, Free to use

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orion Sentry Pro Monthly | $0.99 | per month |
| Orion Sentry Pro (Forever) | $9.99 | one-time |


### Mobile Guard Sentrynet

[App page](https://appshunter.io/ios/app/mobile-guard-sentrynet/id6789548297)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10-minute analysis units | $3.99 | one-time |


## Frequently asked questions

### Is Orion Sentry free?

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

### Is Mobile Guard Sentrynet free?

Mobile Guard Sentrynet is free to download, with in-app purchases available.

### Do Orion Sentry or Mobile Guard Sentrynet have ads?

Neither Orion Sentry nor Mobile Guard Sentrynet shows ads.

### Which is updated more often, Orion Sentry or Mobile Guard Sentrynet?

Orion Sentry ships an update weekly, and Mobile Guard Sentrynet daily. Most recently, Orion Sentry was updated on September 10, 2026 and Mobile Guard Sentrynet on September 18, 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.*