# CerHost Free vs Perimeter

The clearest difference is iOS requirement: CerHost Free at 8.0 against Perimeter's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CerHost Free ships an update every 6 weeks, Perimeter every 3 weeks. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CerHost Free | Perimeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/perimeter-theft-deterrence/id1572482501/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 54 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MICROIT SRL](https://appshunter.io/developer/874306807) | [PERIMETER AI INC.](https://appshunter.io/developer/1572482503) |

## What reviewers say

### CerHost Free

[App page](https://appshunter.io/ios/app/cerhost-free/id956134832)

Connect to industrial or mobile devices running Windows CE remotely. This app is compatible with Microsoft Remote Control Display and CERDISP programs, allowing desktop mode access. The demo version has a 10-second connection limit every 10 minutes.

**Highlights:** Remote desktop connection, Windows CE compatibility, Industrial device support, Mobile device support, CERDISP program integration, Demo version limitations

**Features:** macOS Compatibility

**In-app purchases:** none


### Perimeter

[App page](https://appshunter.io/ios/app/perimeter-theft-deterrence/id1572482501)

This AI-powered security app detects potential threats before they occur. It uses unique lights and sounds to warn individuals and deter crime before it happens.

**Highlights:** AI threat detection, Proactive crime deterrence, Neighbor Safe™ lights, Audible warnings, Driveway monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CerHost Free free?

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

### Is Perimeter free?

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

### Do CerHost Free or Perimeter have ads?

Neither CerHost Free nor Perimeter shows ads.

### Which is updated more often, CerHost Free or Perimeter?

CerHost Free ships an update every 6 weeks, and Perimeter every 3 weeks. Most recently, CerHost Free was updated on October 10, 2026 and Perimeter on October 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.*