Duo Mobile vs Oracle Mobile Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Oracle Mobile Authenticator
Securely verify your identity with your mobile device. This app generates one-time passcodes for logins or sends push notifications for approval, adding a vital layer of security to online applications beyond standard username and password.
- Generate one-time passwords offline
- Push notification approval
- App protection with Touch ID or PIN
- Setup via QR code, URL, or manual key
- Support for multiple accounts
- Generate OTP for other RFC 6238 compliant apps
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Oracle Mobile Authenticator enables you to securely verify your identity by using your mobile device as an authentication factor. The app generates one-time passcode for login. Or it can receive notifications for login, which can be approved with a simple tap. When this authentication is used on top of username-password, it adds an additional layer of security that is essential for today's online applications. Features: • Generate one-time passwords even when the device is offline • Push Notification based approval • Touch ID or App PIN for app protection • Set up via QR code, Config URL, or by entering key manually • Multiple account support • Generate OTP for other applications that make use of Passcode as per RFC 6238 By installing this app you agree to the End User License Agreement terms at http://www.oracle.com/webfolder/technetwork/cloud/documents/eula.html. See Oracle's Privacy Policy at http://www.oracle.com/us/legal/privacy/index.html.
Screenshots
Verdict
The clearest difference is review sentiment: Duo Mobile at 68% against Oracle Mobile Authenticator's 14%. Duo Mobile also leads on rating (4.9 vs 2.6) and update cadence (fortnightly vs every 3 months). Oracle Mobile Authenticator's advantage is iOS requirement (14.0 vs 17.0). 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 2.6. That said, the two scores are not equally well evidenced: Duo Mobile has 2.3M ratings behind it against 90, so its average is the more settled of the two. Written reviews point the same way: 68% of Duo Mobile's written reviews are positive against 14% of Oracle Mobile Authenticator's.
Duo Mobile ships an update fortnightly, Oracle Mobile Authenticator every 3 months. Both last shipped on September 24, 2026.
| Parameter | Duo Mobile | Oracle Mobile Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (2.3M ratings) — better | 2.6 (90 ratings) |
| Positive reviews | 68.2% of reviews — better | 14.1% of reviews |
| Number of ratings | 2.3M — better | 90 |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #19 — better | #197 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 46 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Duo Security LLC | Oracle America, Inc. |
Customer experience
Duo Mobile
Oracle Mobile Authenticator
Bugs and requests
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
Oracle Mobile Authenticator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Duo Mobile
No in-app purchases
Oracle Mobile Authenticator
No in-app purchases
Questions
Is Duo Mobile free?
Is Oracle Mobile Authenticator free?
Which has better reviews, Duo Mobile or Oracle Mobile Authenticator?
Do Duo Mobile or Oracle Mobile Authenticator have ads?
Which is updated more often, Duo Mobile or Oracle Mobile Authenticator?
Which is more popular, Duo Mobile or Oracle Mobile Authenticator?
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