# Orion Sentry vs Neuron IoT

The clearest difference is in-app purchases: Neuron IoT at none against Orion Sentry's 2. Neuron IoT also leads on iOS requirement (14.0 vs 18.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Orion Sentry sells 2 in-app purchases, starting at $0.99 per month. Neuron IoT asks for nothing beyond the download.

Orion Sentry ships an update every 9 days, Neuron IoT every 2 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | Orion Sentry | Neuron IoT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/orion-sentry/id1594469593/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 55 MB |
| Requires iOS | 18.5 | **14.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lithium ehf](https://appshunter.io/developer/1583999127) | [Neuron Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1607701439) |

## What reviewers say

### Orion Sentry

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

This companion app provides instant alerts for triggered alarms on your Mac. Browse and save motion-triggered photos stored in iCloud through a clean interface. It requires the desktop version and an iCloud account.

**Highlights:** Instant alarm alerts, 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 |


### Neuron IoT

[App page](https://appshunter.io/ios/app/neuron-iot/id1664630415)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Orion Sentry free?

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

### Is Neuron IoT free?

Neuron IoT is free to download, with no in-app purchases.

### Do Orion Sentry or Neuron IoT have ads?

Neither Orion Sentry nor Neuron IoT shows ads.

### Which is updated more often, Orion Sentry or Neuron IoT?

Orion Sentry ships an update every 9 days, and Neuron IoT every 2 weeks. Most recently, Orion Sentry was updated on November 7, 2026 and Neuron IoT on November 7, 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.*