Twilio Authy vs Auth0 Guardian
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Twilio Authy
This app provides a secure and convenient way to manage two-factor authentication tokens for your online accounts. It offers features like cloud backups, multi-device synchronization, and offline token generation to enhance account security and prevent lockouts.
- Secure 2-step verification token generation
- Encrypted cloud backups
- Multi-device synchronization
- Offline token generation
- Supports thousands of providers
- 8-digit token support
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Your use of the Authy App is subject to these Authy App Terms (https://www.twilio.com/en-us/legal/authy-app-terms) Authy brings the future of two-factor authentication to the convenience of your iPhone or iPad. The Authy app generates secure 2 step verification tokens on your device. It helps you protect your account from hackers and hijackers by adding an additional layer of security. Why Authy is the best multi factor authentication app: - Secure Cloud Backups: Did you lose your device and get locked out of all of your accounts? Authy provides secure cloud encrypted backups so you will never lose access to your tokens again. We use the same algorithm that banks and the NSA use to protect their information. - Multi Device Synchronization: Are you re-scanning all your QR codes just to add them to your tablet and smartphone? With Authy you can simply add devices to your account and all of your 2fa tokens will automatically synchronize. - Offline: Still waiting for an SMS to arrive? Do you travel constantly and lose access to your accounts? Authy generates secure tokens offline from the safety of your device, this way you can authenticate securely even when in airplane mode. - All of your accounts: We support most major multi-factor authentication accounts including Facebook, Dropbox, Amazon, Gmail, and thousands of other providers. We also support 8 digit tokens. - Protect your bitcoins: Authy is the preferred two factor authentication solution to protect your bitcoin wallet. We are the default 2fa provider for trusted companies like Coinbase, CEX.IO, BitGo and many others. Official website: https://www.authy.com
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.
Screenshots
Verdict
The clearest difference is rating: Twilio Authy at 4.7 against Auth0 Guardian's 2.4. Twilio Authy also leads on ratings volume (53K vs 116) and review sentiment (36% vs 14%). 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.
Twilio Authy holds the better App Store score, 4.7 against 2.4. That said, the two scores are not equally well evidenced: Twilio Authy has 53K ratings behind it against 116, so its average is the more settled of the two. Written reviews point the same way: 36% of Twilio Authy's written reviews are positive against 14% of Auth0 Guardian's.
Twilio Authy ships an update every 3 weeks, Auth0 Guardian every 3 months. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.
| Parameter | Twilio Authy | Auth0 Guardian |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (53K ratings) — better | 2.4 (116 ratings) |
| Positive reviews | 35.8% of reviews — better | 14.3% of reviews |
| Number of ratings | 53K — better | 116 |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #160 — better | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 50 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Authy Inc. | Auth0 |
Customer experience
Twilio Authy
Auth0 Guardian
User reviews
Twilio Authy
From 53K App Store ratingsWhat we love
- 🚀 Reliable and secure
- 🔒 Robust backup and sync features
- 👍 Convenient Apple Watch integration
- 🚀 Fast and responsive
- 🔒 Secure cloud backup
Room to improve
- 🐛 Occasional app freezes and crashes
- 🔍 Limited customization options for account icons
- 🔍 Confusing account management
- 🔍 Slow app load times
- 🔍 Lack of dark mode support
Auth0 Guardian
From 116 App Store ratingsWhat 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
Bugs and requests
Twilio Authy
Reported bugs
4 issues- App freezes when switching between accounts
- Sync issues between devices
- Incorrect code generation on Apple Watch
- Account deletion process not working as expected
Requested features
5 requests- Ability to sort and categorize accounts
- Customizable account icons
- Dark mode support
- Improved Apple Watch integration with complications
- Faster app load times
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 moreShow fewer
- 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 moreShow fewer
- 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
In-app purchases
Twilio Authy
No in-app purchases
Auth0 Guardian
No in-app purchases
Questions
Is Twilio Authy free?
Is Auth0 Guardian free?
Which has better reviews, Twilio Authy or Auth0 Guardian?
Do Twilio Authy or Auth0 Guardian have ads?
Which is updated more often, Twilio Authy or Auth0 Guardian?
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