RSA Authenticator (SecurID) vs Duo Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RSA Authenticator (SecurID)
This app provides multi-factor authentication for enterprises, offering passwordless security through device-bound passkeys. It supports various authentication methods like OTP, biometrics, and push notifications to secure digital access.
- Multi-Factor Authentication (MFA)
- Passwordless Security with Passkeys
- One-Time Passcodes (OTP)
- Push Notifications
- Biometric Authentication
- QR Code Authentication
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RSA Authenticator App Secure your digital life and streamline access with the RSA Authenticator App. Designed for enterprises and highly regulated industries, RSA offers a trusted way to secure authentication regardless of your environment. Multi-Factor Authentication (MFA) Made Easy Protect your accounts with RSA's diverse multi-factor authentication (MFA) options, including one-time passcodes (OTP), QR codes, code matching, push notifications, biometrics, and hardware authenticators for an extra layer of security. RSA provides device-bound passkeys that are seamless and phishing-resistant, ensuring a smooth experience across your apps and services. Passwordless Security, Simplified Forget passwords; use passkeys. Use your device-bound passkey for fast, secure, and frictionless authentication—perfect for organizations looking to reduce risks and boost workforce productivity. Note: Your company must be an RSA customer to use this app. Contact your help desk administrator if you did not receive the information required to register your device. The RSA Authenticator app is an update to the existing SecurID 4.X app and a replacement for SecurID Authenticate 3.9.x app. Please refer to the “What’s New” section on macOS and iOS App Store for further details.
Duo Mobile
Enhance login security with two-factor authentication. Generate passcodes or use one-tap push notifications for seamless access to your accounts. Manage authentication for multiple applications and web services.
- Two-factor authentication
- Passcode generation
- Push notification authentication
- One-tap login
- Manage multiple accounts
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Duo Mobile works with Duo Security's two-factor authentication service to make logins more secure. The application generates passcodes for login and can receive push notifications for easy, one-tap authentication on your iPhone, iPad, or Apple Watch. Additionally, you can use Duo Mobile to manage two-factor authentication for other application and web services that make use of passcodes. Note: For Duo accounts, Duo Mobile needs to be activated and linked to your account before it will work. You will receive an activation link as part of Duo's enrollment process. You may add third-party accounts at any time. License agreements for third-party Open Source libraries used in Duo Mobile can be found at https://www.duosecurity.com/legal/open-source-licenses.
Screenshots
Verdict
The clearest difference is rating: Duo Mobile at 4.9 against RSA Authenticator (SecurID)'s 2.7. Duo Mobile also leads on review sentiment (68% vs 27%) and update cadence (fortnightly vs every 3 months). 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.
Duo Mobile holds the better App Store score, 4.9 against 2.7. That said, the two scores are not equally well evidenced: Duo Mobile has 2.3M ratings behind it against 331, so its average is the more settled of the two. Written reviews point the same way: 27% of RSA Authenticator (SecurID)'s written reviews are positive against 68% of Duo Mobile's.
RSA Authenticator (SecurID) ships an update every 3 months, Duo Mobile fortnightly. Both last shipped on September 24, 2026.
| Parameter | RSA Authenticator (SecurID) | Duo Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (331 ratings) | 4.9 (2.3M ratings) — better |
| Positive reviews | 26.9% of reviews | 68.2% of reviews — better |
| Number of ratings | 331 | 2.3M — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #138 | #19 — better |
| Devices | iPhone, Mac | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 64 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | RSA Security | Duo Security LLC |
Customer experience
RSA Authenticator (SecurID)
Duo Mobile
User reviews
RSA Authenticator (SecurID)
From 331 App Store ratingsWhat we love
- 🚀 Works great
- 🔒 Secure authentication
- 👍 Easy to use
- 🚀 Convenient alternative to hardware token
Room to improve
- 🐛 Face ID bug
- 🐛 Persistent token disappearing issue
- 🐛 Buggy app
- 🤔 Confusing UI changes
- 🤔 Ugly app icon
Duo Mobile
From 2.3M App Store ratingsWhat we love
- 👍 Simple and easy to use
- 🔒 Provides an extra layer of security
- 🚀 Quick and convenient authentication
- 🔒 Secure login experience
- 👍 Straightforward and user-friendly
Room to improve
- 🐛 Unreliable notifications and push functionality
- 🐛 Compatibility issues when changing devices
- 🐛 Slow and frustrating authentication process
- 🐛 Confusing and non-intuitive user interface
- 🐛 Forced use of the app causing inconvenience
Bugs and requests
RSA Authenticator (SecurID)
Reported bugs
4 issues- App crashes on launch
- Token import/sync issues
- Incompatibility with newer iOS versions
- Incorrect token generation on wrong PIN entry
Requested features
5 requests- Add Apple Watch support
- Implement Face ID/Touch ID authentication
- Allow copying/pasting of token
- Provide option to customize notification sounds
- Add widget for quick token access
Duo Mobile
Reported bugs
5 issues- Notifications not working as expected
- App not recognizing new devices after replacement
- Authentication process getting stuck or timing out
- Inability to recover accounts after device changes
- Unexpected language changes in the app
Requested features
5 requests- Allow more control and customization for users
- Improve integration with other authentication methods
- Provide better support and guidance for new users
- Add an option to remember trusted devices
- Streamline the authentication flow for faster access
In-app purchases
RSA Authenticator (SecurID)
No in-app purchases
Duo Mobile
No in-app purchases
Questions
Is RSA Authenticator (SecurID) free?
Is Duo Mobile free?
Which has better reviews, RSA Authenticator (SecurID) or Duo Mobile?
Do RSA Authenticator (SecurID) or Duo Mobile have ads?
Which is updated more often, RSA Authenticator (SecurID) or Duo Mobile?
Which is more popular, RSA Authenticator (SecurID) or Duo Mobile?
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