Best App Authenicator Free

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

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

Compare top App Authenicator Free (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (677K)NoNoAug 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.1M)NoNoAug 2026
3Authenticator App ™Authenticator App ™Free4.4★ (24K)NoYesAug 2026
4Authenticator ℠ AppAuthenticator ℠ AppFree4.3★ (4.4K)YesYesAug 2026
5Duo MobileDuo MobileFree4.9★ (2.2M)NoNoAug 2026
6Authenticator app — 2FA, MFAAuthenticator app — 2FA, MFAFreeNoYesJul 2026
7QR Code Scanner - Easy ReaderQR Code Scanner - Easy ReaderFreeNoNoAug 2026
8Authenticator App 2FA — LokioAuthenticator App 2FA — LokioFreeNoYesJul 2026

Top Picks for App Authenicator Free

Microsoft Authenticator#1

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Editor's Choice
📊 Productivity
4.7😞(677K ratings)
Free
#10in Productivity
Microsoft Authenticator screenshot 1
Microsoft Authenticator screenshot 2
Microsoft Authenticator screenshot 3
Microsoft Authenticator screenshot 4
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
Google Authenticator#2

Google Authenticator by Google

Strong Contender
🔧 Utilities
4.9😞(1.1M 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

Room to Improve

  • 🐛 Randomly deleted all codes
  • 🐛 Unreliable, lost access to accounts
  • 🐛 Timing issues, codes didn't work
Authenticator App ™#3

Authenticator App ™ by Codenhagen.IO ApS

Two Factor Authentication
Worth Considering
🔧 Utilities
4.4😞(24K ratings)
FreeIn-App Purchases
Authenticator App ™ screenshot 1
Authenticator App ™ screenshot 2
Authenticator App ™ screenshot 3
Authenticator App ™ screenshot 4
Authenticator App ™ screenshot 5
Authenticator App ™ screenshot 6

This app provides a secure way to manage two-factor authentication (2FA) for your online accounts. It generates time-based one-time passwords (TOTP) that update every 30 seconds, offering an extra layer of security without needing an internet connection. Features include iCloud backup, cross-device synchronization, and biometric unlock.

What We Love

  • 👍 Easy to use
  • 🚀 Works well
  • 👍 Simple and straightforward
  • 🚀 Functional tool

Room to Improve

  • 🐛 Unable to remove accounts
  • 🐛 Difficult to cancel subscription
  • 🐛 Doesn't work as expected

More App Authenicator Free apps to explore

4
Authenticator ℠ App
Authenticator ℠ App
Authenticator ℠ App
Authentication App: 2FA, MFA
Free

Secure your online accounts with standards-based two-factor authentication. This app generates time-based one-time passwords directly on your device, offering a reliable second step for sign-ins without relying on SMS codes. Protect personal and work accounts across various platforms.

Secure TOTP verification codesFast and easy account setupFull control over 2FA accounts
🔧 Utilities
(4.4K)
free with in-app purchases
5
Duo Mobile
Duo Mobile
Duo Mobile
Security made simple
Free

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 authenticationPasscode generationPush notification authentication
💼 Business
(2.2M)
free
6
Authenticator app — 2FA, MFA
Authenticator app — 2FA, MFA
Authenticator app — 2FA, MFA
Two Factor Authenticatior TOTP
Free
🔧 Utilities
(0)
7
QR Code Scanner - Easy Reader
QR Code Scanner - Easy Reader
QR Code Scanner - Easy Reader
Barcode Scanner for Daily Use
Free
📊 Productivity
(0)
8
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
OTP, MFA & TOTP code manager
Free
🔧 Utilities
(0)
9
Authenticator App ․
Authenticator App ․
Authenticator App ․
Authentication App, 2FA, MFA
Free
📊 Productivity
(0)
10
Authenticator App++
Authenticator App++
Authenticator App++
Secure Sign in Your Accounts
Free
🔧 Utilities
(0)
11
authenticator app pro
authenticator app pro
authenticator app pro
2FA Authentication Code
Free
🔧 Utilities
(0)
12
Authenticator App : Auth 2FA
Authenticator App : Auth 2FA
Authenticator App : Auth 2FA
OTP , MFA Authentication TOTP
Free
🔧 Utilities
(0)
13
Authenticator App • 2FA & OTP
Authenticator App • 2FA & OTP
Authenticator App • 2FA & OTP
Two-Factor Verification
Free
📊 Productivity
(0)
14
Vibely App
Vibely App
Vibely App
by Giorgos Andreou
Free
🌟 Lifestyle
(0)
15
Authenticator App - 2FA App
Authenticator App - 2FA App
Authenticator App - 2FA App
by Temurbek Rakhimov
Free
🔧 Utilities
(0)
16
Authenticator App : 2FA & MFA
Authenticator App : 2FA & MFA
Authenticator App : 2FA & MFA
Secure login with 2FA OTP MFA
Free
🔧 Utilities
(0)
17
Authenticator App · 2FA, MFA
Authenticator App · 2FA, MFA
Authenticator App · 2FA, MFA
Secure OTP, Tokens & Passwords
Free
🔧 Utilities
(0)
18
Authenticator App ›
Authenticator App ›
Authenticator App ›
Authentication App, 2FA & MFA
Free
📊 Productivity
(0)
19
Authenticator App - 2FA PRO
Authenticator App - 2FA PRO
Authenticator App - 2FA PRO
Authenticator App - 2FA PRO
Free

This app provides two-factor authentication by generating time-based one-time passwords (TOTP) and push authentication. It adds an extra layer of security to your online accounts by creating unique codes that help protect against unauthorized access.

Two-factor authenticationTOTP & HOTP token generation30 & 60 second tokens
📊 Productivity
(1)
free with in-app purchases
20
Authenticator App‧‧
Authenticator App‧‧
Authenticator App‧‧
2FA, MFA Authenticator
Free
🔧 Utilities
(0)

FAQ about App Authenicator Free

What is the best app authenicator free for iPhone?
Microsoft Authenticator tops our app authenicator free ranking as of August 2026, with a 4.7-star average from 677K App Store ratings, and it's free to download.
Microsoft Authenticator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ app authenicator free on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Microsoft Authenticator is a mobile application designed to enhance online security. It provides multi-factor authentication (MFA), passwordless login options, and password autofill capabilities for various online accounts, including personal, work, and school accounts.
When MFA is enabled, after entering your password, you'll be prompted to verify your identity. This can be done by approving a notification sent to the app or by entering a time-based one-time password (OTP) generated by the app. These OTP codes refresh every 30 seconds and do not require a network connection.