# Open Authenticator vs Authenticator app

The clearest difference is in-app purchases: Open Authenticator at none against Authenticator app's 11. Open Authenticator also leads on review sentiment (100% vs 68%) and rating (5.0 vs 4.6). Authenticator app's advantage is ratings volume (5.8K vs 1) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Authenticator app sells 11 in-app purchases, starting at $4.99 per month. Open Authenticator asks for nothing beyond the download.

Open Authenticator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Authenticator app has 5.8K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Open Authenticator's written reviews are positive against 68% of Authenticator app's.

## The numbers

| Metric | Open Authenticator | Authenticator app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/open-authenticator/id1583588049/reviews)** | [4.6 (5.8K ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id1625466768/reviews) |
| Number of ratings | 1 | **5.8K** |
| Positive reviews | **100.0% of reviews** | 67.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 279 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Odroe Inc.](https://appshunter.io/developer/1477720111) | [Maxima Apps](https://appshunter.io/developer/1153277200) |

## What reviewers say

### Open Authenticator

[App page](https://appshunter.io/ios/app/open-authenticator/id1583588049)

This application generates secure, time-based one-time passwords for authentication. Its open-source code is community-reviewed, ensuring no backdoors and consistent TOTP compliance for robust security.

**Highlights:** HMAC-based One-time Password generation, TOTP compliance, Completely open-source code, Community supervised, No backdoor security

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator app

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id1625466768)

This app provides secure two-factor authentication for over 1000 popular online accounts. It offers quick access via widgets and Apple Watch, and ensures your data is safe with no internet exchange. Easily set up accounts by scanning QR codes or entering secret keys.

**Highlights:** Two-factor authentication (2FA), Multi-factor authentication (MFA), Supports 1000+ apps, Apple Watch support, Quick widget support, QR code scanning, Encrypted backup

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium Monthly | $4.99 | per month |
| Authenticator App Premium Weekly | $5.99 | per 7 days |
| Authenticator Premium Monthly | $9.99 | per month |
| Authenticator App Weekly Premium | $9.99 | per 7 days |
| Authenticator Premium Yearly | $29.99 | per year |
| Authenticator Premium Yearly | $49.99 | per year |
| Authenticator App Premium Yearly | $59.99 | per year |
| Premium Access 3 Month Trial | $69.99 | per year |
| Authenticator Premium Lifetime | $49.99 | one-time |
| Authenticator Premium Lifetime | $69.99 | one-time |
| Authenticator App Lifetime | $99.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🔒 Secure authentication
- 👍 Reliable and works well
- 🚀 Quick and efficient
- 👍 Helpful for account recovery

**What reviewers complain about**

- 🐛 Bugs and glitches
- 💰 Expensive or hidden fees
- 🤯 Confusing setup and usage
- 🔒 Issues with account access and recovery
- 🔋 Drains device battery

**Reported bugs**

- Codes not working or generating errors
- App crashing or freezing during use
- Accounts being deleted or inaccessible
- Compatibility issues with certain devices or platforms

**Requested features**

- Improved user interface and instructions
- Better compatibility with other apps and services
- Option to export/backup authentication codes
- Ability to easily manage and remove accounts


## Frequently asked questions

### Is Open Authenticator free?

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

### Is Authenticator app free?

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

### Which has better reviews, Open Authenticator or Authenticator app?

Open Authenticator is rated higher. Open Authenticator averages 5.0 out of 5 from 1 ratings, while Authenticator app averages 4.6 from 5.8K ratings.

### Do Open Authenticator or Authenticator app have ads?

Neither Open Authenticator nor Authenticator app shows ads.

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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.*