# Auth0 Guardian vs FactorCat

The clearest difference is rating: FactorCat at 5.0 against Auth0 Guardian's 2.4. Auth0 Guardian's advantage is in-app purchases (none vs 2) and ratings volume (113 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FactorCat sells 2 in-app purchases, starting at $12.99 per year. Auth0 Guardian asks for nothing beyond the download.

FactorCat holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: Auth0 Guardian has 113 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Auth0 Guardian | FactorCat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (113 ratings)](https://appshunter.io/ios/app/auth0-guardian/id1093447833/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/factorcat-mfa-authenticator/id6760269296/reviews)** |
| Number of ratings | **113** | 1 |
| Positive reviews | 14.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Freemium |
| Size | 20 MB | 47 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Auth0](https://appshunter.io/developer/1076692516) | [Capital F](https://appshunter.io/developer/1614080688) |

## 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


### FactorCat

[App page](https://appshunter.io/ios/app/factorcat-mfa-authenticator/id6760269296)

This app streamlines multi-factor authentication by replacing manual code entry with a single tap approval via push notification. It offers secure, encrypted storage of your authentication secrets and supports two vault types for flexible recovery and enhanced security.

**Highlights:** One-tap MFA approval, Automatic code filling via browser extension, Encrypted TOTP secrets storage, Cloud Vault for easy recovery, Locked Vault with zero-trust encryption, Standalone authenticator functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FactorCat Supporter | $12.99 | per year |
| FactorCat Pro | $24.99 | per year |


## Frequently asked questions

### Is Auth0 Guardian free?

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

### Is FactorCat free?

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

### Which has better reviews, Auth0 Guardian or FactorCat?

FactorCat is rated higher. Auth0 Guardian averages 2.4 out of 5 from 113 ratings, while FactorCat averages 5.0 from 1 ratings.

### Do Auth0 Guardian or FactorCat have ads?

Neither Auth0 Guardian nor FactorCat shows ads.

### Which is updated more often, Auth0 Guardian or FactorCat?

Auth0 Guardian ships an update every 3 months, and FactorCat every 3 months. Most recently, Auth0 Guardian was updated on September 17, 2026 and FactorCat on September 18, 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.*