# Perimeter vs Lock Shield

The clearest difference is iOS requirement: Perimeter at 11.0 against Lock Shield's 16.6. 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.

## The numbers

| Metric | Perimeter | Lock Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/perimeter-theft-deterrence/id1572482501/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 54 MB | 4 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PERIMETER AI INC.](https://appshunter.io/developer/1572482503) | [FRANCISO SANCHEZ](https://appshunter.io/developer/1895982652) |

## What reviewers say

### 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


### Lock Shield

[App page](https://appshunter.io/ios/app/lock-shield/id6771611371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Perimeter free?

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

### Is Lock Shield free?

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

### Do Perimeter or Lock Shield have ads?

Neither Perimeter nor Lock Shield shows ads.

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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.*