249+ iOS apps curated and reviewed
The best authenticator app oneauth on iPhone average 4.1★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (34K) | No | No | Sep 2026 | |
| 2 |  | Free | 4.9★ (1.2M) | No | No | Sep 2026 | |
| 3 |  | Free | 4.7★ (694K) | No | No | Sep 2026 | |
| 4 |  | Free | 4.9★ (2.3M) | No | No | Sep 2026 | |
| 5 |  | Free | 4.3★ (100K) | No | No | Sep 2026 | |
| 6 |  | Free | 3.0★ (3) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.7★ (35K) | No | No | Sep 2026 | |
| 8 |  | Free | 4.6★ (4.3K) | 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.
