# Auth0 Guardian vs TruGrid Authenticator

The clearest difference is review sentiment: TruGrid Authenticator at 83% against Auth0 Guardian's 15%. TruGrid Authenticator also leads on rating (4.7 vs 2.4) and update cadence (monthly vs every 3 months). Auth0 Guardian's advantage is ratings volume (114 vs 16). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TruGrid Authenticator holds the better App Store score, 4.7 against 2.4. That said, the two scores are not equally well evidenced: Auth0 Guardian has 114 ratings behind it against 16, 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 83% of TruGrid Authenticator's.

Auth0 Guardian ships an update every 3 months, TruGrid Authenticator monthly. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Auth0 Guardian | TruGrid Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (114 ratings)](https://appshunter.io/ios/app/auth0-guardian/id1093447833/reviews) | **[4.7 (16 ratings)](https://appshunter.io/ios/app/trugrid-authenticator/id1383287900/reviews)** |
| Number of ratings | **114** | 16 |
| Positive reviews | 14.6% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 20 MB | 33 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Auth0](https://appshunter.io/developer/1076692516) | [N.E. Desktop Software, Inc. ("TruGrid")](https://appshunter.io/developer/1372930779) |

## 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


### TruGrid Authenticator

[App page](https://appshunter.io/ios/app/trugrid-authenticator/id1383287900)

Enhance your online security with this multi-factor authentication app. It generates one-time passcodes for logging into accounts, providing an extra security layer even if your password is compromised. Works offline and supports any TOTP-compatible sites.

**Highlights:** Multi-factor authentication, TOTP-based security, Offline passcode generation, QR code setup, Multiple account support, Account nickname editing, PIN code protection

**In-app purchases:** none


## Frequently asked questions

### Is Auth0 Guardian free?

Auth0 Guardian is free to download, with no in-app purchases.

### Is TruGrid Authenticator free?

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

### Which has better reviews, Auth0 Guardian or TruGrid Authenticator?

TruGrid Authenticator is rated higher. Auth0 Guardian averages 2.4 out of 5 from 114 ratings, while TruGrid Authenticator averages 4.7 from 16 ratings.

### Do Auth0 Guardian or TruGrid Authenticator have ads?

Neither Auth0 Guardian nor TruGrid Authenticator shows ads.

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

Auth0 Guardian ships an update every 3 months, and TruGrid Authenticator monthly. Most recently, Auth0 Guardian was updated on October 20, 2026 and TruGrid Authenticator on October 19, 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.*