# Open Authenticator by Skyost vs Authenticator 2FA, MFA, OTP

Open Authenticator by Skyost and Authenticator 2FA, MFA, OTP both sit at 4.4 stars, but that hides the real split: 100% of Authenticator 2FA, MFA, OTP's written reviews are positive against 0% of Open Authenticator by Skyost's. Authenticator 2FA, MFA, OTP also leads on ratings volume (128 vs 9). Open Authenticator by Skyost's advantage is iOS requirement (15.0 vs 17.6). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Open Authenticator by Skyost sells 2 in-app purchases, starting at $0.99 per month and Authenticator 2FA, MFA, OTP sells 9 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Open Authenticator by Skyost against 4.5 for Authenticator 2FA, MFA, OTP. That said, the two scores are not equally well evidenced: Authenticator 2FA, MFA, OTP has 128 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 0% of Open Authenticator by Skyost's written reviews are positive against 100% of Authenticator 2FA, MFA, OTP's.

Open Authenticator by Skyost ships an update fortnightly, Authenticator 2FA, MFA, OTP every 2 weeks. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Open Authenticator by Skyost | Authenticator 2FA, MFA, OTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (9 ratings)](https://appshunter.io/ios/app/open-authenticator-by-skyost/id6479272927/reviews) | **[4.5 (128 ratings)](https://appshunter.io/ios/app/authenticator-2fa-mfa-otp/id6747663150/reviews)** |
| Number of ratings | 9 | **128** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 118 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Hugo Delaunay](https://appshunter.io/developer/1456648264) | [Maksym Holoborodko](https://appshunter.io/developer/1822231352) |

## What reviewers say

### Open Authenticator by Skyost

[App page](https://appshunter.io/ios/app/open-authenticator-by-skyost/id6479272927)

This app generates Time-Based One-Time Passwords (TOTPs) to enhance online account security through two-factor authentication. It offers cross-platform syncing, a self-hostable backend, and an intuitive interface for managing your security codes.

**Highlights:** Generates Time-Based One-Time Passwords (TOTPs), Enhances online account security with 2FA, Cross-platform token syncing, Self-hostable backend option, Fast and easy-to-use interface, Open-source and free for local use

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contributor Plan: Monthly | $0.99 | per month |
| Contributor Plan: Annual | $9.99 | per year |


### Authenticator 2FA, MFA, OTP

[App page](https://appshunter.io/ios/app/authenticator-2fa-mfa-otp/id6747663150)

Secure your online accounts with a fast and easy two-factor authentication app. It supports quick setup via QR code scanning, Face ID, and includes a built-in password manager for auto-filling credentials. Compatible with all major 2FA-enabled platforms.

**Highlights:** Quick setup with QR code scanning, Face ID support, Built-in password manager, AutoFill capabilities, Compatible with major 2FA platforms

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $2.99 | per 7 days |
| Unlock all features | $9.99 | per 7 days |
| Unlock all features | $9.99 | per 7 days |
| Unlock all features | $19.99 | per year |
| Unlock all features | $59.99 | per year |
| Unlock all features | $69.99 | per year |
| Unlock all features | $79.99 | per year |
| Unlock all features | $69.99 | one-time |
| Unlock all features | $99.99 | one-time |


## Frequently asked questions

### Is Open Authenticator by Skyost free?

Open Authenticator by Skyost is free to download, with in-app purchases available.

### Is Authenticator 2FA, MFA, OTP free?

Authenticator 2FA, MFA, OTP is free to download, with in-app purchases available.

### Which has better reviews, Open Authenticator by Skyost or Authenticator 2FA, MFA, OTP?

Authenticator 2FA, MFA, OTP is rated higher. Open Authenticator by Skyost averages 4.4 out of 5 from 9 ratings, while Authenticator 2FA, MFA, OTP averages 4.5 from 128 ratings.

### Do Open Authenticator by Skyost or Authenticator 2FA, MFA, OTP have ads?

Neither Open Authenticator by Skyost nor Authenticator 2FA, MFA, OTP shows ads.

### Which is updated more often, Open Authenticator by Skyost or Authenticator 2FA, MFA, OTP?

Open Authenticator by Skyost ships an update fortnightly, and Authenticator 2FA, MFA, OTP every 2 weeks. Most recently, Open Authenticator by Skyost was updated on September 10, 2026 and Authenticator 2FA, MFA, OTP on September 25, 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.*