# Authenticator App · 2FA vs Open Authenticator by Skyost

The clearest difference is review sentiment: Authenticator App · 2FA at 45% against Open Authenticator by Skyost's 0%. Authenticator App · 2FA also leads on ratings volume (379 vs 9). Open Authenticator by Skyost's advantage is monetization model (free with in-app purchases vs subscription) and ads (none vs shown). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Authenticator App · 2FA sells 14 in-app purchases, starting at $9.99 per 7 days and Open Authenticator by Skyost sells 2 in-app purchases, starting at $0.99 per month. 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 4.2. That said, the two scores are not equally well evidenced: Authenticator App · 2FA has 379 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 45% of Authenticator App · 2FA's written reviews are positive against 0% of Open Authenticator by Skyost's, so the app with the better star average is not the one people write more warmly about.

Authenticator App · 2FA ships an update every 3 weeks, Open Authenticator by Skyost fortnightly. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Authenticator App · 2FA | Open Authenticator by Skyost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (379 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa/id6470149516/reviews) | **[4.4 (9 ratings)](https://appshunter.io/ios/app/open-authenticator-by-skyost/id6479272927/reviews)** |
| Number of ratings | **379** | 9 |
| Positive reviews | **45.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 114 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod, Mac |
| Age rating | 17+ | 4+ |
| Developer | [FirstOrder.AI](https://appshunter.io/developer/1713063266) | [Hugo Delaunay](https://appshunter.io/developer/1456648264) |

## What reviewers say

### Authenticator App · 2FA

[App page](https://appshunter.io/ios/app/authenticator-app-2fa/id6470149516)

This app provides an extra layer of security for your online accounts by generating time-based one-time passwords (TOTP/OTP) for two-factor authentication. It supports numerous services and offers features like encrypted sync, passkey support, and app-level security.

**Highlights:** Generate 2-factor authentication codes, Support for passkeys and passwordless logins, Encrypted sync and backup via iCloud/Google Cloud, App-level security with Face ID/Touch ID, Widgets for home screen access, Organize codes with folders, Import from Google Authenticator

**Features:** Family Sharing, Apple Watch app

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator PRO Weekly | $9.99 | per 7 days |
| Authenticator Monthly Premium | $11.99 | per month |
| Authenticator Monthly Premium | $11.99 | per month |
| Authenticator Monthly Premium | $12.99 | per month |
| Authenticator PRO Monthly | $12.99 | per month |
| Authenticator Annual Premium | $29.99 | per year |
| Authenticator PRO Yearly | $29.99 | per year |
| Authenticator PRO Yearly | $39.99 | per year |
| OTP Authenticator PRO Yearly | $39.99 | per year |
| OTP Authenticator PRO Yearly | $49.99 | per year |
| Authenticator PRO Lifetime | $39.99 | one-time |
| Authenticator PRO Lifetime | $59.99 | one-time |
| 2FA Authenticator - Pro | $59.99 | one-time |
| Authenticator PRO Lifetime | $79.99 | one-time |

**What reviewers like**

- 🔒 Strong security and encryption for 2FA codes
- 👍 Easy to use and intuitive interface
- 🚀 Fast and reliable performance
- 💻 Cross-platform synchronization (Windows, Mac, iOS, Android)
- ⌚ Widget support and smartwatch integration

**What reviewers complain about**

- 💰 Misleading free-to-paid conversion model
- 🚫 Difficult cancellation process
- ⚠️ Accidental subscription charges
- 🔐 Authentication and login issues
- 📱 Mobile version requires paid subscription

**Reported bugs**

- QR code scanner not functioning properly
- Unable to import keys on mobile without payment
- Sync issues between Mac and iOS devices
- Photo-based QR code reading fails
- App incompatible with CachyOS

**Requested features**

- CachyOS/Arch Linux version support
- Clearer pricing and subscription information upfront
- Manual code entry without QR scanner requirement
- Better cross-platform synchronization documentation
- Improved setup instructions for new devices


### 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 |


## Frequently asked questions

### Is Authenticator App · 2FA free?

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

### Is Open Authenticator by Skyost free?

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

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

Open Authenticator by Skyost is rated higher. Authenticator App · 2FA averages 4.2 out of 5 from 379 ratings, while Open Authenticator by Skyost averages 4.4 from 9 ratings.

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

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

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

Authenticator App · 2FA ships an update every 3 weeks, and Open Authenticator by Skyost fortnightly. Most recently, Authenticator App · 2FA was updated on September 24, 2026 and Open Authenticator by Skyost on September 10, 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.*