Comparison

Notakey Authenticator vs 2Element

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

Head to head
About

Notakey Authenticator

Features
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Typical uses cases include: - VPN & workstation login protection; - mobile and web transaction approval for finance companies; - legal document signing; - passwordless web login. Compared to other solutions Notakey Authenticator is: - Lighting fast - uses push notifications and there is no need for manual code retyping; - Extremely secure - instead of shared secrets uses Public Key cryptography, where private key is generated and protected by phone's hardware; - Private & legally binding - user identification information is distributed on the phones. Previously only this has been available on eID card. Check out https://demobank.notakey.com/registration for possible use cases.

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.

Screenshots

Notakey Authenticator4 screens
2Element3 screens

Verdict

The call

Notakey Authenticator and 2Element are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Notakey Authenticator ships an update every 6 weeks, 2Element monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

ScorecardNo meaningful differences
Notakey Authenticator versus 2Element: the parameters behind the verdict, then further details
ParameterNotakey Authenticator2Element
PriceFreeFree
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size89 MB25 MB
Age rating4+4+
DeveloperNotakey LatviaSonpo, a.s.

In-app purchases

None

Notakey Authenticator

No in-app purchases

None

2Element

No in-app purchases

Questions

Is Notakey Authenticator free?
Notakey Authenticator is free to download, with no in-app purchases.
Is 2Element free?
2Element is free to download, with no in-app purchases.
Do Notakey Authenticator or 2Element have ads?
Neither Notakey Authenticator nor 2Element shows ads.
Which is updated more often, Notakey Authenticator or 2Element?
Notakey Authenticator ships an update every 6 weeks, and 2Element monthly. Most recently, Notakey Authenticator was updated on October 24, 2026 and 2Element on October 25, 2026.

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