Best Alpaca Authenticator Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

Out of 250+ alpaca authenticator apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Alpaca Authenticator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
2Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (690K)NoNoSep 2026
3Authenticator AppAuthenticator AppFree4.6★ (48K)NoYesSep 2026
42FA Authenticator (2FAS)2FA Authenticator (2FAS)Free4.7★ (35K)NoNoSep 2026
5Authenticator App: OTP 2FAAuthenticator App: OTP 2FAFreeNoYesAug 2026
6Authenticator App - 2FA / OTPAuthenticator App - 2FA / OTPFree3.9★ (12)YesYesAug 2026
7ID.me AuthenticatorID.me AuthenticatorFree4.3★ (100K)NoNoAug 2026
8Duo MobileDuo MobileFree4.9★ (2.2M)NoNoSep 2026

Top Picks for Alpaca Authenticator

Google Authenticator#1

Google Authenticator by Google

Editor's Choice
🔧 Utilities
4.9😞(1.2M ratings)
Free
#3in 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
Microsoft Authenticator#2

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Strong Contender
📊 Productivity
4.7😞(690K ratings)
Free
#2in 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
Authenticator App#3

Authenticator App by 2Stable

2FA Authentication MFA & OTP
Worth Considering
📊 Productivity
4.6😊(48K ratings)
FreeIn-App Purchases
#39in Productivity
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 secure two-factor authentication codes for your online accounts, enhancing security with encryption and backups. It offers seamless synchronization across Apple devices and quick access via widgets, even when offline.

What We Love

  • 🚀 Works well
  • 🔒 Secure and reliable
  • 👍 Easy to use and set up
  • 💡 Excellent cross-device sync and backup

Room to Improve

  • 🐛 Compatibility issues with newer devices
  • 💰 Expensive subscription
  • 🔒 Limited free version

More Alpaca Authenticator apps to explore

4
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
#1 Rated 2FA Authenticator
Free

Securely log in to your online accounts with two-factor authentication. This app protects your personal data and passwords from cyber threats with a simple, private, and open-source solution. It offers easy token restoration, app protection, and offline functionality.

Two-factor authenticationToken backup and restoreApp protection with passcode/biometrics
📊 Productivity
(35K)
free
5
Authenticator App: OTP 2FA
Authenticator App: OTP 2FA
Authenticator App: OTP 2FA
OTP Authenticator, MFA & 2FA
Free
🔧 Utilities
(0)
6
Authenticator App - 2FA / OTP
Authenticator App - 2FA / OTP
Authenticator App - 2FA / OTP
Two-Factor Login & Secure MFA
Free

This app provides secure two-factor authentication (2FA) and multi-factor authentication (MFA) by generating time-based one-time passwords (TOTP) for online accounts. It offers encrypted backups, cloud sync, and QR code support for easy account management across multiple devices.

Secure 2FA/MFA code generationEncrypted backup and cloud syncQR code account addition
📊 Productivity
(12)
free with in-app purchases
7
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me
Free

This app provides a free multi-factor authentication solution for your account, adding an extra security layer to prevent unauthorized access. It generates secure verification tokens, including time-based codes and push notifications, to confirm your identity during login.

Multi-factor authentication (MFA)Time-based one-time passwords (TOTP)Push notification verification
📊 Productivity
(100K)
free
8
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
9
Simeio Authenticator
Simeio Authenticator
Simeio Authenticator
Protect your online identity
Free
📊 Productivity
(0)
10
Authenticator App Vault+
Authenticator App Vault+
Authenticator App Vault+
2FA, TOTP, MFA, OTP & Passkey
Free

Secure your digital life by generating time-based one-time passwords for your accounts. This app provides offline access to verification codes, instant setup via QR code scanning, and encrypted backups for seamless device switching. It offers a distraction-free experience without advertisements.

Generate 6-digit verification codesOffline code generationInstant QR code setup
🔧 Utilities
(4)
free with in-app purchases
11
ArmorScan
ArmorScan
ArmorScan
by SYMO SOLUTIONS LIMITED
Free
📊 Productivity
(0)
12
Authenticator App · 2FA, MFA
Authenticator App · 2FA, MFA
Authenticator App · 2FA, MFA
Secure OTP, Tokens & Passwords
Free

Secure your online accounts with time-based one-time passwords (TOTP) instead of SMS. Protect emails, social media, crypto wallets, and more with biometric locks and encrypted backups. Offers fast QR code setup and works offline.

Universal account support (10,000+ services)Face ID & Biometric lockEncrypted iCloud backup
🔧 Utilities
(4)
free with in-app purchases
13
Authenticator 2FA & OTP – Ring
Authenticator 2FA & OTP – Ring
Authenticator 2FA & OTP – Ring
Secure OTP & Two Factor Codes
Free
📊 Productivity
(0)
14
Inalogy Authenticator
Inalogy Authenticator
Inalogy Authenticator
Keycloak Push Authenticator
Free
🔧 Utilities
(0)
15
Authenticator-2FA Code
Authenticator-2FA Code
Authenticator-2FA Code
2-Step Verification-Secure ID
Free

Enhance your online security with two-factor authentication. This app acts as a password manager, generating strong passwords and offering auto-fill for convenient and secure logins. It supports a wide range of services and securely backs up your data with encryption.

Two-factor authenticationPassword managerQR code scanning
📊 Productivity
(1)
free with in-app purchases
16
Authenticator App++
Authenticator App++
Authenticator App++
Secure Sign in Your Accounts
Free
🔧 Utilities
(0)
17
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
by RSA Security
Free

This app provides multi-factor authentication for enterprises, offering passwordless security through device-bound passkeys. It supports various authentication methods like OTP, biometrics, and push notifications to secure digital access.

Multi-Factor Authentication (MFA)Passwordless Security with PasskeysOne-Time Passcodes (OTP)
💼 Business
(327)
free
18
Safe Access 2FA
Safe Access 2FA
Safe Access 2FA
Enhance Your Security
Free
🔧 Utilities
(0)
19
ScanIt — QR & Barcode
ScanIt — QR & Barcode
ScanIt — QR & Barcode
by CYNTHIA LACHELLE FRYAR
Free
🔧 Utilities
(0)
20
Authenticator App : Keyzy
Authenticator App : Keyzy
Authenticator App : Keyzy
2fa, Two Factor Authentication
Free

This app generates secure, offline two-factor authentication codes for all your major online accounts. It offers iCloud sync for Apple devices and allows for easy organization and deletion of codes. Upgrade for unlimited accounts and advanced categorization.

Supports major platforms (Google, Instagram, Facebook, GitHub)Import 2FA codes from screenshotsiCloud Sync across Apple devices
🔧 Utilities
(2)
free with in-app purchases

FAQ about Alpaca Authenticator

What are the best alpaca authenticator apps for iPhone?
Google Authenticator tops our alpaca authenticator apps ranking as of August 2026, with a 4.9-star average from 1.2M App Store ratings, and it's free to download.
Yes — 20 of the top alpaca authenticator apps we rank are free to download, including Google Authenticator and Microsoft Authenticator.
Google Authenticator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ alpaca authenticator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Google Authenticator adds an extra layer of security to your online accounts by generating a second verification code needed to sign in, in addition to your password. This code is generated on your phone.
You can set up your Authenticator accounts automatically by scanning a QR code provided by the service you wish to secure. This is a quick and easy process that ensures correct setup.