Auth0 Guardian vs Zip Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Auth0 Guardian
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.
- Push notification authentication
- Allow/deny account access
- One-time password generation
- Multi-factor authentication
- Secure login
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Auth0 Guardian is a mobile app that can deliver push notifications to a user’s pre-registered device (typically a mobile phone or tablet) from which a user can immediately allow or deny account access via the press of a button. It can also generate one-time passwords if that is preferred. Note for developers: Auth0 Guardian is one of the multi factor authentication options that can be used within the Auth0 identity platform (https://auth0.com). You can enable it with a single switch. You don’t have to change your apps to start supporting multi factor authentication.
Zip Authenticator
Enhance financial transaction security with multi-factor authentication for Zip users. Approve payments directly from your mobile device, receiving detailed transaction information before confirmation. Compliant with EU regulations for secure online payments.
- Multi-factor authentication for Zip payments
- Displays transaction details (amount, payee)
- EU Strong Customer Authentication (SCA) compliance
- Easy QR code setup
- PIN-based verification
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With Zip Authenticator, Zip users (ziphq.com) gain an added layer of security for financial transactions by authenticating payments that are approved in Zip. Zip Authenticator ensures you are fully aware of the transaction about to happen, providing the details of the type, value and payee of the transaction, and then allowing you to approve the transaction on your mobile device. This provides strong 2-factor authentication of financial transactions compliant with EU Secure Customer Authentication (SCA) regulations. Zip Authenticator is easy to configure. To set up your authentication, you’ll first link a mobile device and create a pin. As you complete various payment-related activities in Zip, you’ll be prompted to enter your pin, which will generate a QR code. Then, open up your Zip Authenticator app to scan the QR code and verify your identity. Features include - Provides multi-factor authentication for B2B payment transactions in Zip (ziphq.com) - Displays payment details within the payment authentication alert, including amount and payee - Allows organizations using Zip for payments to comply with EU Strong Customer Authentication (SCA) regulations - Easy setup via QR code To use Zip Authenticator with Zip, you need to set up a pin on Zip > Personal settings. Visit www.ziphq.com/personal-settings/payout-authentication to get started.
Screenshots
Verdict
The clearest difference is rating: Zip Authenticator at 5.0 against Auth0 Guardian's 2.4. Zip Authenticator also leads on iOS requirement (13.4 vs 15.0). Auth0 Guardian's advantage is update cadence (every 3 months vs every 13 months) and ratings volume (113 vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Zip Authenticator 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 6, so its average is the more settled of the two.
Auth0 Guardian ships an update every 3 months, Zip Authenticator every 13 months. Both last shipped on September 17, 2026.
| Parameter | Auth0 Guardian | Zip Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (113 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 14.6% of reviews | — |
| Number of ratings | 113 — better | 6 |
| Update frequency | Every 3 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 20 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Auth0 | ZipHQ, Inc. |
Customer experience
Auth0 Guardian
Zip Authenticator
In-app purchases
Auth0 Guardian
No in-app purchases
Zip Authenticator
No in-app purchases
Questions
Is Auth0 Guardian free?
Is Zip Authenticator free?
Which has better reviews, Auth0 Guardian or Zip Authenticator?
Do Auth0 Guardian or Zip Authenticator have ads?
Which is updated more often, Auth0 Guardian or Zip Authenticator?
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