# Auth0 Guardian vs Authenticator App ™

The clearest difference is rating: Authenticator App ™ at 4.4 against Auth0 Guardian's 2.4. Authenticator App ™ also leads on update cadence (every 2 weeks vs every 3 months) and ratings volume (25K vs 114). Auth0 Guardian's advantage is in-app purchases (none vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator App ™ sells 2 in-app purchases, starting at $9.99 per month. Auth0 Guardian asks for nothing beyond the download.

Authenticator App ™ holds the better App Store score, 4.4 against 2.4. That said, the two scores are not equally well evidenced: Authenticator App ™ has 25K ratings behind it against 114, so its average is the more settled of the two. Written reviews point the same way: 15% of Auth0 Guardian's written reviews are positive against 30% of Authenticator App ™'s.

Auth0 Guardian ships an update every 3 months, Authenticator App ™ every 2 weeks. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Auth0 Guardian | Authenticator App ™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (114 ratings)](https://appshunter.io/ios/app/auth0-guardian/id1093447833/reviews) | **[4.4 (25K ratings)](https://appshunter.io/ios/app/authenticator-app/id6443508147/reviews)** |
| Number of ratings | 114 | **25K** |
| Positive reviews | 14.6% of reviews | **29.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 19 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Auth0](https://appshunter.io/developer/1076692516) | [Codenhagen.IO ApS](https://appshunter.io/developer/1617641724) |

## What reviewers say

### Auth0 Guardian

[App page](https://appshunter.io/ios/app/auth0-guardian/id1093447833)

This app provides multi-factor authentication by sending push notifications to your device for easy approval or denial of account access. It can also generate one-time passwords for secure logins.

**Highlights:** Push notification authentication, Allow/deny account access, One-time password generation, Multi-factor authentication, Secure login

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Generally reliable authenticator
- 👍 Intuitive and simple
- 👍 Clean easy to use app
- 👍 Beautiful app that works
- 👍 Worked just fine

**What reviewers complain about**

- 🐛 Notifications not working properly
- 🐛 No more Apple Watch or lock screen approval
- 🐛 Cannot approve from Apple Watch
- 🐛 Push notifications stopped working
- 🐛 App is garbage

**Reported bugs**

- Notifications not working properly on iPhone iOS
- Limited notification configuration settings
- Apple Watch notification not working
- Push notifications not working
- New update broke Apple Watch approvals

**Requested features**

- Allow account transfer to another phone
- Create a feature to transfer connected accounts to the same app on another phone
- Add watch capability
- Needs a watch version
- Add Apple Watch notification support


### Authenticator App ™

[App page](https://appshunter.io/ios/app/authenticator-app/id6443508147)

This app provides a secure way to manage two-factor authentication (2FA) for your online accounts. It generates time-based one-time passwords (TOTP) that update every 30 seconds, offering an extra layer of security without needing an internet connection. Features include iCloud backup, cross-device synchronization, and biometric unlock.

**Highlights:** Time-based one-time password (TOTP) generation, Secure iCloud backup and encryption, Synchronization across all devices, Unlock with FaceID or password, 100% Ad-Free experience, Compatible with over 2,500 websites and services

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium | $9.99 | per month |
| Authenticator Premium | $39.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Works well
- 👍 Simple and straightforward
- 🚀 Functional tool

**What reviewers complain about**

- 🐛 Unable to remove accounts
- 🐛 Difficult to cancel subscription
- 🐛 Doesn't work as expected
- 🐛 Not user friendly
- 🐛 Unreliable

**Reported bugs**

- Login screen freezes
- QR code scanning issues
- Accounts not syncing properly
- Subscription not cancelling

**Requested features**

- Dark mode option
- Better customer support
- Easier subscription management


## Frequently asked questions

### Is Auth0 Guardian free?

Auth0 Guardian 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, Auth0 Guardian or Authenticator App ™?

Authenticator App ™ is rated higher. Auth0 Guardian averages 2.4 out of 5 from 114 ratings, while Authenticator App ™ averages 4.4 from 25K ratings.

### Do Auth0 Guardian or Authenticator App ™ have ads?

Neither Auth0 Guardian nor Authenticator App ™ shows ads.

### Which is updated more often, Auth0 Guardian or Authenticator App ™?

Auth0 Guardian ships an update every 3 months, and Authenticator App ™ every 2 weeks. Most recently, Auth0 Guardian was updated on October 8, 2026 and Authenticator App ™ on October 14, 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.*