# Open Authenticator by Skyost vs Authenticator App | 2FA Auth

The clearest difference is rating: Open Authenticator by Skyost at 4.4 against Authenticator App | 2FA Auth's 3.9. Open Authenticator by Skyost also leads on ads (none vs shown). Authenticator App | 2FA Auth's advantage is review sentiment (35% vs 0%) and ratings volume (56 vs 9). On price, update cadence, in-app purchases and monetization model 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 App | 2FA Auth sells 7 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Open Authenticator by Skyost holds the better App Store score, 4.4 against 3.9. That said, the two scores are not equally well evidenced: Authenticator App | 2FA Auth has 56 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 0% of Open Authenticator by Skyost's written reviews are positive against 35% of Authenticator App | 2FA Auth's, so the app with the better star average is not the one people write more warmly about.

Open Authenticator by Skyost ships an update fortnightly, Authenticator App | 2FA Auth every 3 weeks. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Open Authenticator by Skyost | Authenticator App | 2FA Auth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/open-authenticator-by-skyost/id6479272927/reviews)** | [3.9 (56 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-auth/id6612014885/reviews) |
| Number of ratings | 9 | **56** |
| Positive reviews | 0.0% of reviews | **35.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 109 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Hugo Delaunay](https://appshunter.io/developer/1456648264) | [MAXLABS COMPANY LIMITED](https://appshunter.io/developer/1249757953) |

## 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 App | 2FA Auth

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-auth/id6612014885)

Enhance your online security with a robust two-factor authentication manager. This app generates time-based one-time passwords (TOTP) for secure logins, even offline. It also offers password management and easy account import/export for thousands of services.

**Highlights:** Two-Factor Authentication (2FA), Time-Based One-Time Passwords (TOTP), Offline Capability, Password Management, Import/Export Accounts, Wide Compatibility

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Premium Weekly | $9.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Premium Yearly | $39.99 | per year |
| Yearly Premium Sale Off | $39.99 | per year |
| Lifetime Payment | $39.99 | 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 App | 2FA Auth free?

Authenticator App | 2FA Auth is free to download, with in-app purchases available.

### Which has better reviews, Open Authenticator by Skyost or Authenticator App | 2FA Auth?

Open Authenticator by Skyost is rated higher. Open Authenticator by Skyost averages 4.4 out of 5 from 9 ratings, while Authenticator App | 2FA Auth averages 3.9 from 56 ratings.

### Do Open Authenticator by Skyost or Authenticator App | 2FA Auth have ads?

Authenticator App | 2FA Auth shows ads; Open Authenticator by Skyost does not.

### Which is updated more often, Open Authenticator by Skyost or Authenticator App | 2FA Auth?

Open Authenticator by Skyost ships an update fortnightly, and Authenticator App | 2FA Auth every 3 weeks. Most recently, Open Authenticator by Skyost was updated on September 10, 2026 and Authenticator App | 2FA Auth on September 22, 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.*