Best Duo Mobile Ios Apps

250+ iOS apps curated and reviewed

3.0 avg rating
20 free apps
Updated September 2026

Duo Mobile is the household name in duo mobile ios, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Duo Mobile Ios Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Duo MobileDuo MobileFree4.9★ (2.3M)NoNoSep 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
3SmartShare Mobile 7.8SmartShare Mobile 7.8Free1.0★ (2)NoNoMay 2026
4BizMLC MobileBizMLC MobileFree1.0★ (5)NoNoMay 2026
5DOX client for iOSDOX client for iOSFreeNoNoAug 2026
6AbsoluteVOICE MobileAbsoluteVOICE MobileFreeNoNoMay 2026
7FirstClass MobileFirstClass MobileFree1.8★ (94)NoNoMay 2026
8OpenScape MobileOpenScape MobileFree5.0★ (1)NoNoMay 2026

Top Picks for Duo Mobile Ios

Duo Mobile#1

Duo Mobile by Duo Security LLC

Security made simple
Editor's Choice
💼 Business
4.9😐(2.3M ratings)
Free
#20in Business
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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.

What We Love

  • 👍 Simple and easy to use
  • 🔒 Provides an extra layer of security
  • 🚀 Quick and convenient authentication
  • 🔒 Secure login experience
  • 👍 Straightforward and user-friendly
  • 👍 Easy to set up and use

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
  • 🐛 Inability to remove or deactivate the app
4.9😞(1.2M ratings)
Free
#3in Utilities
Google Authenticator screenshot 1
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Enhance your online security with a second verification step for your accounts. Generate codes directly on your phone, even offline, to protect against unauthorized access. Sync codes across devices for easy access and manage multiple accounts securely.

What We Love

  • 👍 User-friendly
  • 🔒 Secure authentication
  • 🚀 Simple and fast
  • 🔒 Reliable security
  • 👍 Easy to use

Room to Improve

  • 🐛 Randomly deleted all codes
  • 🐛 Unreliable, lost access to accounts
  • 🐛 Timing issues, codes didn't work
  • 🐛 Accounts duplicated then deleted
  • 🐛 Wiped all accounts after update
SmartShare Mobile 7.8#3

SmartShare Mobile 7.8 by EASI

Collaborative software
Worth Considering
📊 Productivity
1.0(2 ratings)
Free
SmartShare Mobile 7.8 screenshot 1
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This collaborative software suite extends CRM, HRM, and document management functionalities to mobile devices. It integrates seamlessly with IBM Notes messaging for enhanced productivity on the go. Requires a server hosting SmartShare v6.6 or higher.

More Duo Mobile Ios apps to explore

FAQ about Duo Mobile Ios

What are the best duo mobile ios apps for iPhone?
Duo Mobile tops our duo mobile ios apps ranking as of September 2026, with a 4.9-star average from 2.3M App Store ratings, and it's free to download.
Yes — 20 of the top duo mobile ios apps we rank are free to download, including Duo Mobile and Google Authenticator.
Duo Mobile has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ duo mobile ios apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Duo Mobile enhances login security by providing two-factor authentication. It generates passcodes and allows for one-tap authentication via push notifications to secure your accounts.
The application works with Duo Security's service to offer secure logins. You can generate passcodes directly within the app or approve login requests with a simple tap on a push notification.