# Proteus vs Opocrin Events

The clearest difference is update cadence: Opocrin Events at monthly against Proteus's every 6 months. 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.

Proteus ships an update every 6 months, Opocrin Events monthly. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Proteus | Opocrin Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/proteus-1/id6469808073/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | — |
| Size | 90 MB | 51 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [allSYSTEM 1 srl](https://appshunter.io/developer/1454276533) | [Mumble SRL](https://appshunter.io/developer/796373763) |

## What reviewers say

### Proteus

[App page](https://appshunter.io/ios/app/proteus-1/id6469808073)

An integrated security system for managing intrusion detection, video surveillance, video verification, and fire prevention. It also offers monitoring and rapid intervention services.

**Highlights:** Intrusion detection management, Video surveillance, Video verification, Fire prevention, Monitoring service, Rapid intervention

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

**In-app purchases:** none


### Opocrin Events

[App page](https://appshunter.io/ios/app/opocrin-events/id6736354055)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Proteus free?

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

### Is Opocrin Events free?

Opocrin Events is free to download, with no in-app purchases.

### Do Proteus or Opocrin Events have ads?

Neither Proteus nor Opocrin Events shows ads.

### Which is updated more often, Proteus or Opocrin Events?

Proteus ships an update every 6 months, and Opocrin Events monthly. Most recently, Proteus was updated on October 9, 2026 and Opocrin Events on October 16, 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.*