2Element vs OTAC auth
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
2Element
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This mobile application serves as a universal authenticator for multifactor authentication (MFA) of users. To work it requires a registration on the 2Element server of the organization, where the user's account is to be authenticated. It supports modern methods of authentication, including push notifications secured by biometrics. It also supports OTP codes.
OTAC auth
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Experience rapid and secure user/device authentication through OTAC's 8-character code. โ Quick and Easy, No Registration: Streamlined authentication without the hassle of sign-up or login processes. Your privacy is paramount; no personal information required. โ Secure Authentication with OTAC Code: Ensure robust security with time-sensitive OTAC codes. Safely access your accounts using a code that expires after a specific duration. โ Manage Multiple Accounts Easily: Effortlessly authenticate multiple accounts using a single OTAC auth app. Register and manage up to 20 accounts securely.
Screenshots
Verdict
2Element and OTAC auth are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
2Element ships an update monthly, OTAC auth every 6 weeks. Both last shipped on September 17, 2026.
| Parameter | 2Element | OTAC auth |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly โ better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 25 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Sonpo, a.s. | swIDch Limited |
In-app purchases
2Element
No in-app purchases
OTAC auth
No in-app purchases









