Best Otp Generator Apps

220+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

The best otp generator apps on iPhone average 4.5★ across 220+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Otp Generator

Google Authenticator#1

Google Authenticator by Google LLC

Editor's Choice
🔧 Utilities
4.9😞(1M 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

A secure two-step verification app that generates codes for logging into online accounts, adding an extra layer of security beyond passwords. Easily sync codes across devices, set up accounts with QR codes, and manage multiple accounts in one place. To start securing your accounts, enable 2-Step Verification on your Google Account.

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
OTP Auth#2

OTP Auth by Roland Moers

2-Factor Auth for Pros
Strong Contender
🔧 Utilities
4.6😊(463 ratings)
FreeIn-App Purchases
OTP Auth screenshot 1
OTP Auth screenshot 2
OTP Auth screenshot 3
OTP Auth screenshot 4

A secure 2-factor authentication app for iOS devices with features like encrypted iCloud sync, Siri support, and offline functionality. Protect accounts with AES-256 encryption and no data collection or internet connection. Keep your accounts safe—try it now!

What We Love

  • 🚀 Simple and effective
  • 🔒 Secure with backup/restore
  • 👍 Great Apple Watch support
  • 👍 Intuitive and user-friendly

Room to Improve

  • 🐛 Occasional sync and widget issues
  • 🐛 Apple Watch app needs improvements
  • 🐛 Unreliable backup/restore for some users
Authenticator App#3

Authenticator App by UNSTABLE, SL

2FA Authentication MFA & OTP
Worth Considering
📊 Productivity
4.6😊(46K ratings)
FreeIn-App Purchases
#43in 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

Protect your accounts with an advanced authentication app offering both Two-Factor Authentication (2FA) and Multi-Factor Authentication (MFA) features. Secure your online presence now.

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 Otp Generator apps to explore

4
FreeOTP Authenticator
FreeOTP Authenticator
FreeOTP Authenticator
by Red Hat, Inc.
Free

FreeOTP Authenticator enhances online account security by generating one-time passwords on mobile devices, offering extra protection beyond regular passwords. It supports popular online services like Google and Facebook, and can be used for corporate security with TOTP or HOTP protocols. Open source under the Apache 2.0 license.

🔧 Utilities
(166)
5
OTP Manager
OTP Manager
OTP Manager
2FA Authenticator and Manager
Free
📊 Productivity
(164)
6
Authenticator ·
Authenticator ·
Authenticator ·
2FA, Two Factor Authentication
Free

Secure your online accounts with Authenticator 7, an app that stores and generates secure 2FA tokens for added account protection. Safeguard your accounts from hackers with this easy-to-use two-factor authentication solution.

🔧 Utilities
(26K)
7
Microsoft Authenticator
Microsoft Authenticator
Microsoft Authenticator
Protects your online identity
Free

A secure app for easy online account sign-ins, offering multi-factor authentication, passwordless login, and password autofill features. Manage Microsoft and non-Microsoft accounts with added security layers like fingerprint, face ID, or PIN. Stay protected and simplify access to various online services.

📊 Productivity
(655K)
8
Duo Mobile
Duo Mobile
Duo Mobile
Security made simple
Free

"Duo Mobile simplifies security by generating passcodes for two-factor authentication and providing easy, one-tap login authentication through push notifications on iOS devices. It also manages two-factor authentication for various other services and applications. Activate and link the app to your Duo account to start using its features."

💼 Business
(2.2M)
9
iPwR OTP Generator
iPwR OTP Generator
iPwR OTP Generator
by DXC Technology Company
Free
🔧 Utilities
(0)
10
Singalarity Advanced OTP
Singalarity Advanced OTP
Singalarity Advanced OTP
Generate Advanced OTP
Free
🔧 Utilities
(0)
11
GCM One Time Password
GCM One Time Password
GCM One Time Password
by GrapeCity Mongolia Limited Liability Company
Free
💰 Finance
(0)
12
Authenticator App - 2FA Auth +
Authenticator App - 2FA Auth +
Authenticator App - 2FA Auth +
OTP Two Factor for ID Verify
Free

This application provides secure two-factor authentication for your accounts, ensuring added protection against unauthorized access. Safeguard your online presence with ease by downloading the app now.

📊 Productivity
(2.2K)
13
OTP-Auth
OTP-Auth
OTP-Auth
Secure 2FA Code Generator
Free

This simple and secure two-step authentication app generates one-time passwords on your mobile phone, supporting TOTP and HOTP authentication to protect your account security. With features like code hiding, simultaneous clicks and copying to clipboard, and offline verification code generation, it adds an extra layer of security to your login process.

🔧 Utilities
(18)
14
multiOTP token
multiOTP token
multiOTP token
TOTP code generator
Free
📊 Productivity
(0)
15
Authenticator App+
Authenticator App+
Authenticator App+
2FA Two Factor Authentication
Free

Secure all your online accounts with our Authenticator App. Easily scan, generate, and save 2FA codes for enhanced security. Download now for peace of mind online!

📊 Productivity
(12K)
16
Namirial OTP
Namirial OTP
Namirial OTP
by Namirial Spa
Free

This application adds an extra layer of security to your accounts by generating one-time passwords for two-factor authentication, allowing you to securely access various services such as digital transaction management and e-signature. Download the app to enhance your account security with 6-digit codes for a second step of verification when signing in.

💼 Business
(272)
17
CKBank OTP
CKBank OTP
CKBank OTP
One Time Password generator
Free
🔧 Utilities
(0)
18
GTJAI Mobile OTP
GTJAI Mobile OTP
GTJAI Mobile OTP
Generate OTP
Free
💰 Finance
(0)
19
2FA Authenticator App MFA, OTP
2FA Authenticator App MFA, OTP
2FA Authenticator App MFA, OTP
2FA Authenticator App MFA, OTP
Free
🔧 Utilities
(0)
20
TOTP Authenticator
TOTP Authenticator
TOTP Authenticator
6-digit code for your account
Free

This application generates 6-digit TOTP codes for two-factor authentication, providing an additional layer of security for online accounts. By enabling TOTP login and scanning a QR code or entering a secret key, users can easily set up and use the app to access their accounts securely.

🔧 Utilities
(133)

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