Best Oauth Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good oauth apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Oauth Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoAug 2026
2Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (687K)NoNoAug 2026
3Authenticator App - OneAuthAuthenticator App - OneAuthFree4.7★ (33K)NoNoAug 2026
4Twilio AuthyTwilio AuthyFree4.7★ (53K)NoNoAug 2026
5Okta VerifyOkta VerifyFree4.8★ (37K)NoNoAug 2026
6OTP AuthOTP AuthFree4.6★ (463)NoYesJul 2026
7Authenticator ℠ AppAuthenticator ℠ AppFree4.3★ (4.7K)YesYesAug 2026
8Authgear ToolsAuthgear ToolsFreeNoNoAug 2026

Top Picks for Oauth

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😞(687K ratings)
Free
#4in 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 - OneAuth#3

Authenticator App - OneAuth by Zoho Corporation

Secure your online accounts
Worth Considering
🔧 Utilities
4.7😞(33K ratings)
Free
Authenticator App - OneAuth screenshot 1
Authenticator App - OneAuth screenshot 2
Authenticator App - OneAuth screenshot 3
Authenticator App - OneAuth screenshot 4
Authenticator App - OneAuth screenshot 5
Authenticator App - OneAuth screenshot 6

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.

What We Love

  • 🚀 Quick and efficient
  • 🔒 Very secure
  • 👍 Easy to use
  • 💡 Has Apple Watch app

Room to Improve

  • 🐛 Unreliable notifications
  • 🐛 Confusing user interface
  • 🐛 Inconsistent behavior

More Oauth apps to explore

4
Twilio Authy
Twilio Authy
Twilio Authy
by Authy Inc.
Free

This app provides a secure and convenient way to manage two-factor authentication tokens for your online accounts. It offers features like cloud backups, multi-device synchronization, and offline token generation to enhance account security and prevent lockouts.

Secure 2-step verification token generationEncrypted cloud backupsMulti-device synchronization
🔧 Utilities
(53K)
free
5
Okta Verify
Okta Verify
Okta Verify
by Okta, Inc.
Free

This app provides a secure way to verify your identity for account access. It offers two-factor authentication through temporary codes or push notifications. The app prioritizes privacy, only requesting camera access for initial device registration.

Two-step verificationGenerate 6-digit codesApprove sign-in requests via push notification
💼 Business
(37K)
free
6
OTP Auth
OTP Auth
OTP Auth
2-Factor Auth for Pros
Free

Enhance your account security with two-factor authentication on your iPhone and iPad. This app supports numerous popular services and offers robust encryption for all your data. It works offline and prioritizes user privacy by not collecting or transmitting personal information.

Two-factor authentication supportEncrypted iCloud SyncSiri and Apple Watch support
🔧 Utilities
(463)
free with in-app purchases
7
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
(4.7K)
free with in-app purchases
8
Authgear Tools
Authgear Tools
Authgear Tools
OIDC/OAuth integration tester
Free
🛠️ Developer Tools
(0)
9
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
10
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
11
Authenticator 2FA by GA
Authenticator 2FA by GA
Authenticator 2FA by GA
MFA & OTP Authentication App
Free

Securely store and generate authentication tokens for your online accounts. Encrypts all data on your device and iCloud, offering seamless import, export, and backup options. Access codes quickly via widgets and protect the app with biometric or PIN locks.

Encrypted token storageOffline code generationEasy import/export
🔧 Utilities
(19)
free with in-app purchases
12
HTTPBot: API & HTTP Client
HTTPBot: API & HTTP Client
HTTPBot: API & HTTP Client
API, MCP & WebSocket Debugger
Free

This app allows users to send HTTP/HTTPS requests and connect to WebSockets, making it easy to debug APIs on the go. It supports various response formats, collaboration features, and authentication methods, streamlining API development and testing.

Send HTTP/HTTPS and WebSocket requestsInspect JSON, HTML, and XML responsesImport/export Postman collections
🛠️ Developer Tools
(1.3K)
free with in-app purchases
13
Authenticator App: OTP 2FA
Authenticator App: OTP 2FA
Authenticator App: OTP 2FA
OTP Authenticator, MFA & 2FA
Free
🔧 Utilities
(0)
14
TrueAuth
TrueAuth
TrueAuth
Secure Authentication
Free

This utility app offers secure and private authorization processes. It focuses on providing a safe way to manage authentication flows.

Secure authorization flowsPrivate authenticationUser authentication management
🔧 Utilities
(0)
free
15
MS Authenticator App
MS Authenticator App
MS Authenticator App
2FA, Two Factor Authentication
Free
🔧 Utilities
(0)
16
Authenticator - OTP Security
Authenticator - OTP Security
Authenticator - OTP Security
Multi-Factor Authentication
Free

This app provides two-factor authentication (2FA) to secure your online accounts. It allows for quick setup, organization, and backup of your verification codes and passwords across devices. Enhance your digital security with this essential tool.

Two-Factor Authentication (2FA)Quick account setup and organizationBackup and sync across devices
🔧 Utilities
(1)
free with in-app purchases
17
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
(104)
freemium
18
LoginTC
LoginTC
LoginTC
by CYPHERCOR, INC.
Free

This app provides a secure and simple way to manage your digital logins. It uses two-factor authentication to protect your accounts, allowing you to approve or deny access requests with a single tap on your phone.

Two-factor authenticationSecure login managementPush notification access requests
🔧 Utilities
(2)
free
19
HTTP Client: Geturl
HTTP Client: Geturl
HTTP Client: Geturl
Send HTTP Requests
Free
🛠️ Developer Tools
(0)
20
IDExpert
IDExpert
IDExpert
by Changing Information Technology Inc.
Free

This app provides strong authentication for identity security, integrating biometric, push, and OTP methods. It requires a companion Auth Server and is registered by scanning a QR code.

Biometric authenticationPush notifications for authenticationOne-Time Password (OTP) support
🔧 Utilities
(1)
free

FAQ about Oauth

What are the best oauth apps for iPhone?
Google Authenticator tops our oauth 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 oauth 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+ oauth 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.