# Authenticator vs MyDoorlocK

The clearest difference is iOS requirement: Authenticator at 8.0 against MyDoorlocK's 13.0. 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.

Authenticator ships an update every 34 months, MyDoorlocK every 19 months. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Authenticator | MyDoorlocK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/authenticator/id783640530/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 19 months** |
| Monetization | Free | — |
| Size | 5 MB | 399 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Bit4id s.r.l](https://appshunter.io/developer/783640533) | [Mydomotics](https://appshunter.io/developer/1281492468) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator/id783640530)

This app provides an enhanced security layer for accessing Bit4id systems. It generates temporary one-time passwords (OTP) using the Time-based One-time Password Algorithm (TOTP) without requiring an internet connection after initial setup. The application supports multiple Bit4id applications and uses a one-time QR code configuration.

**Highlights:** One-time password (OTP) generation, Time-based One-time Password Algorithm (TOTP), Offline code generation, Multi-application support, Automated QR code configuration

**Features:** macOS Compatibility

**In-app purchases:** none


### MyDoorlocK

[App page](https://appshunter.io/ios/app/mydoorlock/id1465223354)

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

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator free?

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

### Is MyDoorlocK free?

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

### Do Authenticator or MyDoorlocK have ads?

Neither Authenticator nor MyDoorlocK shows ads.

### Which is updated more often, Authenticator or MyDoorlocK?

Authenticator ships an update every 34 months, and MyDoorlocK every 19 months. Most recently, Authenticator was updated on September 28, 2026 and MyDoorlocK on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*