# FDK360 vs Door Data Systems

The clearest difference is iOS requirement: FDK360 at 13.0 against Door Data Systems's 15.1. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | FDK360 | Door Data Systems |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 4 MB | 40 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [M&W Media Limited](https://appshunter.io/developer/1097809906) | [Door Data Systems](https://appshunter.io/developer/1530827741) |

## What reviewers say

### FDK360

[App page](https://appshunter.io/ios/app/fdk360/id1227518869)

This app facilitates fire door inspections for both clients and inspectors. It allows users to conduct, view, and manage inspection reports directly within the application. Reports can be archived, synced across devices, and generated in PDF format.

**Highlights:** Client and inspector login, Access archived and current reports, Conduct inspections, Sync reports across devices, PDF report generation

**Features:** macOS Compatibility

**In-app purchases:** none


### Door Data Systems

[App page](https://appshunter.io/ios/app/door-data-systems/id1538987604)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FDK360 free?

FDK360 is free to download, with no in-app purchases.

### Is Door Data Systems free?

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

### Do FDK360 or Door Data Systems have ads?

Neither FDK360 nor Door Data Systems shows ads.

### Which is updated more often, FDK360 or Door Data Systems?

FDK360 ships an update every 2 months, and Door Data Systems every 2 months. Most recently, FDK360 was updated on June 1, 2026 and Door Data Systems on September 18, 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.*