Comparison

Auth0 Guardian vs Authenticator app

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Push notification authentication
  • Allow/deny account access
  • One-time password generation
  • Multi-factor authentication
  • Secure login
Features
Read full description

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.

About

Authenticator app

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
Read full description

Authenticator app is a highly recommended free 2FA app used for securing your accounts on different platforms such as Instagram, Google, Facebook, Github, Twitter and many more. We support 1000+ apps for authentication! Take a look at the unique features of the app: - Apple Watch Support Now access your 2-factor & multi-factor authentication codes from your Apple watch for faster accessibility. - Quick Widget Support Add widgets to your screen for faster, easier 2FA & Multi-Factor Authentication. - Super Safe & Secure: Your passwords are safe and sound as the app has no data exchange with the internet, so no one can get to know it except you. - Scan QR Code: Just one tap QR scan for easy access and hassle-free registration. - Enter Code Manually: Enter a secret key to the app for secure authentication. - Supports All Popular Accounts: Authenticator app supports the most popular services including Facebook, Coinbase, Amazon, Google, Instagram, Roblox and thousands of other providers. - No Password Stored: The application generates Time-based One-time Passwords (TOTP), stored on the user's phone without internet access. This solution dramatically increases login security. - Encrypted Backup: In Authenticator, you can always make a secure encrypted backup, in case you lose your device or switch to a new one. For a safe and secure experience try the application NOW! Privacy Policy: https://maximaapps.com/authenticator/privacy/ Terms of Use: https://maximaapps.com/authenticator/terms_of_use/ For any questions or requests, please use our customer support: feedback@maximaapps.com

Screenshots

Auth0 Guardian4 screens
Authenticator app4 screens

Verdict

The call

The clearest difference is review sentiment: Authenticator app at 68% against Auth0 Guardian's 15%. Authenticator app also leads on rating (4.6 vs 2.4) and ratings volume (5.8K vs 114). Auth0 Guardian's advantage is in-app purchases (none vs 11). On price, ads and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Authenticator app sells 11 in-app purchases, starting at $4.99 per month. Auth0 Guardian asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Authenticator app holds the better App Store score, 4.6 against 2.4. That said, the two scores are not equally well evidenced: Authenticator app has 5.8K 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 68% of Authenticator app's.

UpkeepUpdate frequency

Auth0 Guardian ships an update every 3 months, Authenticator app monthly. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

Scorecard7 real differences · 3 level
Auth0 Guardian versus Authenticator app: the parameters behind the verdict, then further details
ParameterAuth0 GuardianAuthenticator app
PriceFreeFree
Rating2.4 (114 ratings)4.6 (5.8K ratings) — better
Positive reviews14.6% of reviews67.6% of reviews — better
Number of ratings1145.8K — better
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Mac, Apple Watch — better
Requires iOS15.0 — better16.0
Further details — not scored
Size20 MB279 MB
Age rating4+4+
DeveloperAuth0Maxima Apps

Customer experience

Auth0 Guardian

All ratings114 ratings
Positive28.9%
Neutral6.1%
Negative64.9%
Written reviews48 reviews
Positive14.6%
Neutral10.4%
Negative75.0%

Authenticator app

All ratings5,792 ratings
Positive89.6%
Neutral3.4%
Negative6.9%
Written reviews407 reviews
Positive67.6%
Neutral4.4%
Negative28.0%

User reviews

Auth0 Guardian

From 114 App Store ratings

What we love

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

Room to improve

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

Authenticator app

From 5.8K App Store ratings

What we love

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

Room to improve

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

Bugs and requests

Auth0 Guardian

Reported bugs

37 issues
  • 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
Show 32 more
  • Cannot approve MFA with Apple Watch
  • Cannot long press on push notification to approve login
  • Push Notification not working
  • Push notifications stopped working
  • Update fixed push notifications, now requires manual code entry
  • New update still no notification sounds
  • Receiving same code for different accounts
  • iPhone does not show all numbers
  • Only shows 4 numbers, need to copy and paste to see all
  • Cannot see all 6 digits after update
  • Cannot see ALL 6 numbers to log onto computer
  • New phone transfer issues
  • App did not transfer over to new phone
  • QR code does not exist for new phone setup
  • Won't let me transfer my account to a different phone
  • Notifications are not working
  • No notification sound
  • No sound when notification comes up
  • No sound with the notification
  • Confirmations never come up, have to go into the app for codes
  • App prompts to start without instructions, link, or QR code
  • App did not transfer well and was unusable on new phone
  • Cannot install application on telephone
  • Poor migration, no way to migrate Authenticator app to a new device
  • Doesn't work—won't scan any QR code’s
  • Confirmation page doesn’t show immediately
  • Crashes immediately upon launch
  • Unable to remove tokens
  • Push authorization no longer works, app just turns off
  • Client won’t even open
  • App doesn't launch
  • Always crashes on startup

Requested features

12 requests
  • 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
Show 7 more
  • Restore Apple Watch approval
  • Restore lock screen approval
  • Add sound to notifications
  • Allow users to see all 6 digits on iPhone
  • Improve app startup process
  • Provide instructions or QR code for initial setup
  • Allow deletion of retired tokens

Authenticator app

Reported bugs

4 issues
  • 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

4 requests
  • 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

In-app purchases

None

Auth0 Guardian

No in-app purchases

11 purchases

Authenticator app

Subscriptions8
  • Authenticator Premium Monthly$4.991 Month
  • Authenticator App Premium Weekly7 Days trial$5.997 Days
  • Authenticator Premium Monthly$9.991 Month
Show 5 more
  • Authenticator App Weekly Premium3 Days trial$9.997 Days
  • Authenticator Premium Yearly$29.991 Year
  • Authenticator Premium Yearly$49.991 Year
  • Authenticator App Premium Yearly$59.991 Year
  • Premium Access 3 Month Trial3 Months trial$69.991 Year
One-time3
  • Authenticator Premium Lifetime$49.99
  • Authenticator Premium Lifetime$69.99
  • Authenticator App Lifetime$99.99

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 4.6 from 5.8K 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 monthly. Most recently, Auth0 Guardian was updated on October 8, 2026 and Authenticator app on October 13, 2026.

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