Comparison

2Element vs OTAC auth

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

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.

About

OTAC auth

Features
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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

2Element3 screens
OTAC auth4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

2Element ships an update monthly, OTAC auth every 6 weeks. Both last shipped on September 17, 2026.

ScorecardNo meaningful differences
2Element versus OTAC auth: the parameters behind the verdict, then further details
Parameter2ElementOTAC auth
PriceFreeFree
Update frequencyMonthly โ€” betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size25 MB10 MB
Age rating4+4+
DeveloperSonpo, a.s.swIDch Limited

In-app purchases

None

2Element

No in-app purchases

None

OTAC auth

No in-app purchases

Questions

Is 2Element free?
2Element is free to download, with no in-app purchases.
Is OTAC auth free?
OTAC auth is free to download, with no in-app purchases.
Do 2Element or OTAC auth have ads?
Neither 2Element nor OTAC auth shows ads.
Which is updated more often, 2Element or OTAC auth?
2Element ships an update monthly, and OTAC auth every 6 weeks. Most recently, 2Element was updated on September 17, 2026 and OTAC auth on September 17, 2026.

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