250+ iOS apps curated and reviewed
The best authenticator app oneauth on iPhone average 4.3★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (33K) | No | No | Sep 2026 |
| 2 |  | Free | 4.9★ (1.2M) | No | No | Sep 2026 |
| 3 |  | Free | 4.7★ (690K) | No | No | Sep 2026 |
| 4 |  | Free | 3.0★ (3) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.9★ (2.2M) | No | No | Sep 2026 |
| 6 |  | Free | 4.3★ (100K) | No | No | Sep 2026 |
| 7 |  | Free | 4.6★ (5.7K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.7★ (35K) | No | No | Sep 2026 |
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.
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.
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.
This app provides a secure way to manage your online accounts with two-factor authentication (2FA). It generates time-based one-time passwords (TOTP) to protect against unauthorized access and offers features like cloud synchronization, a private photo album, and a security center for enhanced digital safety.
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.
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.
This app provides secure two-factor authentication for over 1000 popular online accounts. It offers quick access via widgets and Apple Watch, and ensures your data is safe with no internet exchange. Easily set up accounts by scanning QR codes or entering secret keys.
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.
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.
This app helps you securely manage two-factor authentication (2FA) and one-time password (OTP) codes for all your accounts. It offers features like code preview, secure data backup and transfer, and a password vault for enhanced digital security.
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.
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.
This app provides secure mobile authentication for accessing cloud apps, VPNs, and other services. It offers one-tap push authentication, secure one-time passcodes, and biometric unlock options for enhanced security and user experience. The app supports quick self-enrollment and can manage multiple authenticators.
This app provides a secure and convenient way to manage your two-factor authentication codes. It supports both manual entry of 16-digit keys and scanning QR codes for easy setup.
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.
This app provides a secure and straightforward way to protect your online accounts. It generates one-time passwords that, when combined with your regular password, significantly enhance your account security. The app operates offline, ensuring your sensitive data remains on your device.
Enhance your online security by generating secure one-time passwords for social media, email, and crypto wallets. This app offers a fast QR code scanner, biometric security, and works offline. It also includes a robust password manager and strong password generator.
This app provides secure two-factor authentication (2FA) for all your online accounts. It generates time-based one-time passwords (TOTP) quickly and offers features like biometric security and cross-device sync. It's a reliable alternative for protecting your digital life.