Comparison

Duo Mobile vs Oracle Mobile Authenticator

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

Head to head
About

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.

Highlights
  • Two-factor authentication
  • Passcode generation
  • Push notification authentication
  • One-tap login
  • Manage multiple accounts
Features
Currently charting
Read full description

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.

About

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.

Highlights
  • 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
Features
Currently charting
Read full description

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

Duo Mobile4 screens
Oracle Mobile Authenticator2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Duo Mobile ships an update fortnightly, Oracle Mobile Authenticator every 3 months. Both last shipped on September 24, 2026.

Scorecard6 real differences · 5 level
Duo Mobile versus Oracle Mobile Authenticator: the parameters behind the verdict, then further details
ParameterDuo MobileOracle Mobile Authenticator
PriceFreeFree
Rating4.9 (2.3M ratings) — better2.6 (90 ratings)
Positive reviews68.2% of reviews — better14.1% of reviews
Number of ratings2.3M — better90
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#19 — better#197
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.014.0 — better
Further details — not scored
Size46 MB4 MB
Age rating4+4+
DeveloperDuo Security LLCOracle America, Inc.

Customer experience

Duo Mobile

All ratings2,287,869 ratings
Positive97.6%
Neutral1.5%
Negative0.9%
Written reviews1,985 reviews
Positive68.2%
Neutral3.6%
Negative28.2%

Oracle Mobile Authenticator

All ratings90 ratings
Positive33.3%
Neutral11.1%
Negative55.6%
Written reviews71 reviews
Positive14.1%
Neutral19.7%
Negative66.2%

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

None

Duo Mobile

No in-app purchases

None

Oracle Mobile Authenticator

No in-app purchases

Questions

Is Duo Mobile free?
Duo Mobile is free to download, with no in-app purchases.
Is Oracle Mobile Authenticator free?
Oracle Mobile Authenticator is free to download, with no in-app purchases.
Which has better reviews, Duo Mobile or Oracle Mobile Authenticator?
Duo Mobile is rated higher. Duo Mobile averages 4.9 out of 5 from 2.3M ratings, while Oracle Mobile Authenticator averages 2.6 from 90 ratings.
Do Duo Mobile or Oracle Mobile Authenticator have ads?
Neither Duo Mobile nor Oracle Mobile Authenticator shows ads.
Which is updated more often, Duo Mobile or Oracle Mobile Authenticator?
Duo Mobile ships an update fortnightly, and Oracle Mobile Authenticator every 3 months. Most recently, Duo Mobile was updated on September 24, 2026 and Oracle Mobile Authenticator on September 24, 2026.
Which is more popular, Duo Mobile or Oracle Mobile Authenticator?
Duo Mobile currently peaks at #19 in the App Store charts, and Oracle Mobile Authenticator at #197. Chart position reflects recent download velocity rather than total install base.

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