Best Authenticator App Gratis

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated October 2026

The best authenticator app gratis on iPhone average 4.7★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Authenticator App Gratis (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoOct 2026
2Authenticator App - AuthkeyAuthenticator App - AuthkeyFree4.7★ (3.4K)NoYesOct 2026
3Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (719K)NoNoOct 2026
4Authenticator App "Authenticator App "Free5.0★ (1)YesYesMay 2026
5IDMe AuthenticatorIDMe AuthenticatorFree4.3★ (100K)NoNoOct 2026
6Tokens: 2FA AuthenticatorTokens: 2FA AuthenticatorFree——NoJul 2026
7Saint-Gobain AuthenticatorSaint-Gobain AuthenticatorFree—NoNoAug 2026
8Inalogy AuthenticatorInalogy AuthenticatorFree—NoNoMay 2026

Top Picks for Authenticator App Gratis

4.9😞(1.2M ratings)
Free
#5in Utilities
Google Authenticator screenshot 1
Google Authenticator screenshot 2
Google Authenticator screenshot 3
Google Authenticator screenshot 4
Google Authenticator screenshot 5
Google Authenticator screenshot 6

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
Authenticator App - Authkey#2

Authenticator App - Authkey by SkyRise Networks

Two factor authentication, 2fa
Strong Contender
🔧 Utilities
4.7😞(3.4K ratings)
FreeIn-App Purchases
Authenticator App - Authkey screenshot 1
Authenticator App - Authkey screenshot 2
Authenticator App - Authkey screenshot 3
Authenticator App - Authkey screenshot 4
Authenticator App - Authkey screenshot 5
Authenticator App - Authkey screenshot 6

Enhance your online security with this app, offering a secure and reliable method to protect your accounts. It generates unique codes for two-factor authentication, ensuring your personal information stays safe.

What We Love

  • 👍 Seamless functionality
  • 🚀 Quick and easy setup
  • 🔒 Robust security features

Room to Improve

  • 🐛 Compatibility issues
  • 💰 Expensive subscription
  • 🤯 Confusing user interface
  • 🔒 Unreliable authentication
Microsoft Authenticator#3

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Worth Considering
📊 Productivity
4.7😞(719K ratings)
Free
#8in Productivity
Microsoft Authenticator screenshot 1
Microsoft Authenticator screenshot 2
Microsoft Authenticator screenshot 3
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Microsoft Authenticator screenshot 5
Microsoft Authenticator screenshot 6

Securely sign into online accounts with multi-factor authentication, passwordless login, or password autofill. Manage multiple accounts, including non-Microsoft services, and access Microsoft products and services seamlessly.

What We Love

  • 🚀 Seamless authentication
  • 🔒 Secure login process
  • 👍 Convenient passwordless sign-in
  • 🚀 Smooth app performance

Room to Improve

  • 🐛 Broken Apple Watch functionality
  • 🐛 Backup and restore issues
  • 🐛 Confusing login flow
  • 🐛 Accounts disappearing after phone change

More Authenticator App Gratis apps to explore

FAQ about Authenticator App Gratis

What is the best authenticator app gratis for iPhone?
Google Authenticator tops our authenticator app gratis ranking as of October 2026, with a 4.9-star average from 1.2M App Store ratings, and it's free to download.
Yes — 20 of the top authenticator app gratis we rank are free to download, including Google Authenticator and Authenticator App - Authkey.
Google Authenticator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ authenticator app gratis on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.