# Intelbras Defense IA vs Door Key

The clearest difference is update cadence: Door Key at every 5 weeks against Intelbras Defense IA's every 4 months. Door Key also leads on iOS requirement (13.0 vs 15). 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.

Intelbras Defense IA ships an update every 4 months, Door Key every 5 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Intelbras Defense IA | Door Key |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Size | 228 MB | 67 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Intelbras S.A. Ind. de Telecom. Elet. Brasileira](https://appshunter.io/developer/397584892) | [ECONDOS SISTEMAS LTDA - ME](https://appshunter.io/developer/1144142573) |

## What reviewers say

### Intelbras Defense IA

[App page](https://appshunter.io/ios/app/intelbras-defense-ia/id1627766359)

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

**In-app purchases:** none


### Door Key

[App page](https://appshunter.io/ios/app/door-key/id6752425863)

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

**In-app purchases:** none


## Frequently asked questions

### Is Intelbras Defense IA free?

Intelbras Defense IA is free to download, with no in-app purchases.

### Is Door Key free?

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

### Do Intelbras Defense IA or Door Key have ads?

Neither Intelbras Defense IA nor Door Key shows ads.

### Which is updated more often, Intelbras Defense IA or Door Key?

Intelbras Defense IA ships an update every 4 months, and Door Key every 5 weeks. Most recently, Intelbras Defense IA was updated on October 30, 2026 and Door Key on October 30, 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.*