# Protegus Smart Security vs Siera iSMS 5.0

The clearest difference is review sentiment: Protegus Smart Security at 50% against Siera iSMS 5.0's 0%. Siera iSMS 5.0's advantage is rating (2.7 vs 2.3) and update cadence (monthly vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Siera iSMS 5.0 holds the better App Store score, 2.7 against 2.3. Both are backed by a comparable volume of ratings — 4 and 15 respectively. Written reviews complicate that: 50% of Protegus Smart Security's written reviews are positive against 0% of Siera iSMS 5.0's, so the app with the better star average is not the one people write more warmly about.

Protegus Smart Security ships an update every 6 months, Siera iSMS 5.0 monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Protegus Smart Security | Siera iSMS 5.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/protegus-smart-security/id1092492126/reviews) | **[2.7 (15 ratings)](https://appshunter.io/ios/app/siera-isms-50/id1123391840/reviews)** |
| Number of ratings | 4 | **15** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | Free |
| Size | 8 MB | 62 MB |
| Requires iOS | 11.0 | **8.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TRIKDIS](https://appshunter.io/developer/1092492125) | [Siera Electronics](https://appshunter.io/developer/543810539) |

## What reviewers say

### Protegus Smart Security

[App page](https://appshunter.io/ios/app/protegus-smart-security/id1092492126)

This app allows you to remotely monitor and control existing or new alarm systems using a smartphone or web interface. It provides real-time alerts, enables control of automation devices like gates and heating, and can bypass zones for enhanced security. Upgrade your current system without needing a full replacement.

**Highlights:** Real-time security system monitoring, Remote control of automation devices, Arm/Disarm security system, Bypass zones, Push notifications for events, Monitor temperature sensors

**Features:** macOS Compatibility

**In-app purchases:** none


### Siera iSMS 5.0

[App page](https://appshunter.io/ios/app/siera-isms-50/id1123391840)

This app allows you to remotely view and manage your Siera IPC and HVR devices. It offers plug-and-play setup, eliminating the need for complex network configurations like port forwarding. Stream live video, record footage, and control PTZ cameras from anywhere.

**Highlights:** Stream live video over Wi-Fi or 4G, View up to 16 live streams, Device management, Snapshot and record video, PTZ control, Two-way talk-back, QR code device addition

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Protegus Smart Security free?

Protegus Smart Security is free to download, with no in-app purchases.

### Is Siera iSMS 5.0 free?

Siera iSMS 5.0 is free to download, with no in-app purchases.

### Which has better reviews, Protegus Smart Security or Siera iSMS 5.0?

Siera iSMS 5.0 is rated higher. Protegus Smart Security averages 2.3 out of 5 from 4 ratings, while Siera iSMS 5.0 averages 2.7 from 15 ratings.

### Do Protegus Smart Security or Siera iSMS 5.0 have ads?

Neither Protegus Smart Security nor Siera iSMS 5.0 shows ads.

### Which is updated more often, Protegus Smart Security or Siera iSMS 5.0?

Protegus Smart Security ships an update every 6 months, and Siera iSMS 5.0 monthly. Most recently, Protegus Smart Security was updated on October 24, 2026 and Siera iSMS 5.0 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.*