Best Octopus Authenticator Apps

239+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated June 2026

Looking for free octopus authenticator apps? 20 of our 239+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Octopus Authenticator

Octopus Authenticator#1

Octopus Authenticator by SECRET DOUBLE OCTOPUS LTD

Editor's Choice
📊 Productivity
2.4(149 ratings)
Free
Octopus Authenticator screenshot 1
Octopus Authenticator screenshot 2
Octopus Authenticator screenshot 3

This app eliminates the need for passwords, offering a seamless and consistent login experience for users throughout their workday. Organizations benefit from enhanced security and control over credentials for various accounts and applications.

Authenticator: Secure 2FA Auth#2

Authenticator: Secure 2FA Auth by SEVERIN BARTOSZ TATUSCH

2 Factor Authentication: MFA
Strong Contender
🔧 Utilities
3.7(3 ratings)
FreeAdsIn-App Purchases
Authenticator: Secure 2FA Auth screenshot 1
Authenticator: Secure 2FA Auth screenshot 2
Authenticator: Secure 2FA Auth screenshot 3
Authenticator: Secure 2FA Auth screenshot 4
Authenticator: Secure 2FA Auth screenshot 5

Securely manage your two-factor authentication tokens and passwords in one place. This app offers offline code generation and a private in-app browser. Free users can manage existing codes and passwords, while premium subscribers gain unlimited creation and secure browsing.

Authenticator App - 2FA Totp#3

Authenticator App - 2FA Totp by DAMOI SRL

MFA Authentication 2 Factor
Worth Considering
🔧 Utilities
4.5(24 ratings)
FreeIn-App Purchases
Authenticator App - 2FA Totp screenshot 1
Authenticator App - 2FA Totp screenshot 2
Authenticator App - 2FA Totp screenshot 3
Authenticator App - 2FA Totp screenshot 4

This app generates secure one-time passwords for your online accounts, offering an extra layer of protection for email, social media, banking, and work platforms. It supports TOTP and HOTP standards, allows easy account setup via QR code or manual entry, and ensures your data stays private and encrypted on your device.

More Octopus Authenticator apps to explore

4
Authenticator: Secure 2FA, MFA
Authenticator: Secure 2FA, MFA
Authenticator: Secure 2FA, MFA
2 Step Verification Auth: TOTP
Free

This app provides two-factor authentication to secure your online accounts. It generates time-based one-time passwords for various services, offering features like cloud backup, biometric protection, and offline code generation. Protect your digital life with this reliable and user-friendly security solution.

Time-based one-time passwords (TOTP)Secure cloud backup and syncBiometric and PIN protection
🔧 Utilities
(61)
free with in-app purchases
5
Microsoft Authenticator
Microsoft Authenticator
Microsoft Authenticator
Protects your online identity
Free

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.

Multi-factor authentication (MFA)Passwordless sign-inPassword autofill
📊 Productivity
(655K)
free
6
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
7
MFA Authenticator: Secure 2FA
MFA Authenticator: Secure 2FA
MFA Authenticator: Secure 2FA
2 Factor Auth: OTP & Verify
Free

This app simplifies online security by enabling two-factor authentication for all your accounts in one place. It offers secure backups, biometric locks, and seamless device syncing for a private and user-friendly experience.

Two-factor authentication managementSecure token backupsPasscode and biometric app lock
🔧 Utilities
(29)
freemium
8
Authenticator: AuthSnap
Authenticator: AuthSnap
Authenticator: AuthSnap
Fast. Safe. Verified.
Free

This app simplifies online security by generating one-time passcodes for two-factor authentication. It supports both time-based and counter-based algorithms and offers easy setup via QR code scanning.

QR code scanning for setupTOTP and HOTP supportUser-friendly interface
🔧 Utilities
(11)
freemium
9
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me, Inc.
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
10
Authenticator App  #1
Authenticator App  #1
Authenticator App #1
Sign In to All Your Accounts
Free

Securely manage your online accounts with a fast and intuitive authenticator and QR scanner. Easily set up two-factor authentication and access your codes quickly. Keep track of your scan history for convenient access.

Setup 2FA accounts easilyScan QR code & BarcodeManage scan history
🔧 Utilities
(1.3K)
free with in-app purchases
11
Multi Authenticator: OTP, MFA
Multi Authenticator: OTP, MFA
Multi Authenticator: OTP, MFA
Mobile 2FA for your Security
Free

This app provides secure storage and management of two-factor authentication codes directly on your device. It offers end-to-end encryption for all data, including cloud backups, ensuring your online accounts are protected without needing an internet connection.

Secure 2FA code storageEnd-to-end encryptionEncrypted cloud backups
📰 Magazines & Newspapers
(34)
subscription
12
Authenticator App - OneAuth
Authenticator App - OneAuth
Authenticator App - OneAuth
Secure your online accounts
Free

Secure your online accounts with industry-standard two-factor authentication. Easily add accounts, generate time-based OTPs, and benefit from encrypted backups. Organize and manage your TFA with features like folders, brand logos, and search.

Add accounts via QR code or manual entryTime-based OTPs (offline access)Encrypted backup and secure recovery
🔧 Utilities
(33K)
free
13
Authenticator App+
Authenticator App+
Authenticator App+
2FA Two Factor Authentication
Free

Secure your online accounts with this app. It generates and stores two-factor authentication codes for popular services. Features include QR code scanning, end-to-end encryption, and device syncing.

Generate and store 2FA/MFA codesScan QR codes or enter manuallyEnd-to-end encryption
📊 Productivity
(12K)
subscription
14
OneSpan Mobile Authenticator
OneSpan Mobile Authenticator
OneSpan Mobile Authenticator
by OneSpan International GmbH
Free

Securely log in to your accounts with a user-friendly interface. Choose your preferred authentication method, including PIN, push notifications, or biometrics. Activate instantly and authenticate with confidence thanks to advanced mobile app shielding.

Intuitive designPIN, push, or biometric authenticationInstant and secure activation
💰 Finance
(1.4K)
free
15
Authenticator App†
Authenticator App†
Authenticator App†
2FA Authentication MFA OTP
Free

Secure your online accounts with a versatile two-factor authentication solution. Manage all your authentication codes in one place, offering enhanced security for websites, services, and crypto wallets. Supports biometric access and offline code generation.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Time-based one-time passwords (TOTP)
🔧 Utilities
(1.8K)
free with in-app purchases
16
Authenticator App Plus
Authenticator App Plus
Authenticator App Plus
2FA Security, OTP Verification
Free

Secure your online accounts with this app, offering robust two-factor authentication (2FA) and time-based one-time password (TOTP) generation. It provides advanced security features like end-to-end encryption, privacy mode, and break-in alerts, alongside convenient multi-device sync and quick QR code scanning for effortless account protection across all your Apple devices.

Time-based one-time password (TOTP) generationEnd-to-end encryption for codesPrivacy Mode to hide codes
📊 Productivity
(171)
freemium
17
Authenticator â„  App
Authenticator â„  App
Authenticator â„  App
2FA, Two Factor Authentication
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
(4K)
free with in-app purchases
18
Salesforce Authenticator
Salesforce Authenticator
Salesforce Authenticator
by salesforce.com
Free

Enhance your online security with multi-factor authentication. This app sends push notifications to your device for identity verification, allowing you to approve or deny login attempts with a simple tap. It also offers one-time verification codes for offline use and can automate approvals for trusted locations.

Multi-factor authenticationPush notification approvalsOne-time verification codes
💼 Business
(4.1K)
free
19
Authenticator App
Authenticator App
Authenticator App
2FA Authentication MFA & OTP
Free

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.

Secure & Private EncryptionEncrypted BackupAutomatic Synchronization
📊 Productivity
(46K)
subscription
20
OTP Manager
OTP Manager
OTP Manager
2FA Authenticator and Manager
Free

Securely manage your two-factor authentication tokens across all your Apple devices. Automatically sync codes via iCloud Keychain, making access seamless from iPhone to Apple Watch and desktop.

2 Factor AuthenticationToken ManagementHMAC Time Based One Time Passwords
📊 Productivity
(164)
free with in-app purchases