# Ferro vs DOOR

The clearest difference is update cadence: DOOR at every 8 days against Ferro's every 3 months. DOOR also leads on chart position (#115 vs unranked). 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.

Ferro ships an update every 3 months, DOOR every 8 days. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Ferro | DOOR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (47K ratings)](https://appshunter.io/ios/app/door-smart-access-and-control/id6499252863/reviews)** |
| Number of ratings | — | **47K** |
| Positive reviews | — | 13.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | — | Free |
| Best chart rank | — | **#115** |
| Size | 189 MB | 422 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 9+ |
| Developer | [Elevated Lifestyles Inc](https://appshunter.io/developer/1330920793) | [Latchable, Inc.](https://appshunter.io/developer/920070581) |

## What reviewers say

### Ferro

[App page](https://appshunter.io/ios/app/ferro/id6478596143)

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

**In-app purchases:** none


### DOOR

[App page](https://appshunter.io/ios/app/door-smart-access-and-control/id6499252863)

**Currently charting:** #115 Top Free · Lifestyle (US App Store)

Manage keyless entry, control smart home devices, and book on-demand services from a single, intuitive application. Designed for residents of modern buildings, it simplifies everyday tasks like unlocking doors, adjusting your environment, and accessing home services.

**Highlights:** Keyless door unlocking, Secure access sharing, Remote smart home control, Real-time security alerts, On-demand home service booking, Private access log viewing

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth performance
- 👍 Convenient services booking
- 😊 Positive user experience

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔍 Cluttered UI with ads
- 🔄 Inconsistent door selection
- 🔒 Unreliable security features

**Reported bugs**

- Frequent log-outs
- Syncing issues with door access
- Inability to edit door names

**Requested features**

- Apple Watch app support
- Customizable door ordering
- Siri and Shortcuts integration
- Improved one-time access codes


## Frequently asked questions

### Is Ferro free?

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

### Is DOOR free?

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

### Do Ferro or DOOR have ads?

Neither Ferro nor DOOR shows ads.

### Which is updated more often, Ferro or DOOR?

Ferro ships an update every 3 months, and DOOR every 8 days. Most recently, Ferro was updated on October 7, 2026 and DOOR on October 17, 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.*