Comparison

One vs Authenticator 2FA, MFA, OTP

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

Head to head
About

One

This utility generates a secure, eight-digit disposable password every minute. These one-time passwords are ideal for enhancing security across various online services, as they become invalid after a short period, even if compromised.

Highlights
  • Generates eight-digit passwords
  • Passwords valid for one minute
  • Enhances online service security
  • Disposable password functionality
  • Requires OTP application at service
Features
Read full description

What is One-Time Password? One-Time Password is the disposable password which is effective solely once. In this Application, a random eight digit password is generated every one minute. You can securely use the various kinds of services because the password is invalidated in one minute even if the password is stolen. For using this App, it is required to apply for the OTP at the service which adopted this App. As applying for the OTP, the email notification about the App procedure will be delivered at the email address registered.

About

Authenticator 2FA, MFA, OTP

Secure your online accounts with a fast and easy two-factor authentication app. It supports quick setup via QR code scanning, Face ID, and includes a built-in password manager for auto-filling credentials. Compatible with all major 2FA-enabled platforms.

Highlights
  • Quick setup with QR code scanning
  • Face ID support
  • Built-in password manager
  • AutoFill capabilities
  • Compatible with major 2FA platforms
Features
Read full description

Authenticator 2FA, MFA, OTP – Simple, Secure 2FA Protect your accounts with a fast and easy two-factor authentication (2FA) app. Scan QR codes and manage time-based one-time passwords (TOTP) for all your supported services. Key Features: - Quick setup with QR code scanning - Face ID support - Built-in password manager & AutoFill - Compatible with all major 2FA-enabled platforms Premium Access: Unlock all features with a premium subscription. Some tools and advanced options are available only to premium users. Subscription Terms: Payment charged to your iTunes account at confirmation Auto-renews unless canceled 24h before renewal Manage or cancel in Account Settings Download Authenticator app today and take control of your security. Privacy Policy: https://sites.google.com/view/authenticator2famfaotp/privacy-policy Terms of Service: https://sites.google.com/view/authenticator2famfaotp/terms-of-service Support: support@velari.site

Screenshots

One4 screens
Authenticator 2FA, MFA, OTP4 screens

Verdict

The call

The clearest difference is review sentiment: Authenticator 2FA, MFA, OTP at 100% against One's 13%. Authenticator 2FA, MFA, OTP also leads on update cadence (every 2 weeks vs every 5 months). One's advantage is in-app purchases (none vs 9) and iOS requirement (14.0 vs 17.6). On price, ads and device support there is nothing between them.

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. Authenticator 2FA, MFA, OTP sells 9 in-app purchases, starting at $2.99 per 7 days. One asks for nothing beyond the download.

UpkeepUpdate frequency

One ships an update every 5 months, Authenticator 2FA, MFA, OTP every 2 weeks. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
One versus Authenticator 2FA, MFA, OTP: the parameters behind the verdict, then further details
ParameterOneAuthenticator 2FA, MFA, OTP
PriceFreeFree
Rating—4.5 (128 ratings) — better
Positive reviews12.5% of reviews100.0% of reviews — better
Number of ratings—128 — better
Update frequencyEvery 5 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS14.0 — better17.6
Further details — not scored
Size49 MB118 MB
Age rating4+4+
DeveloperNTT DATA GROUP CORPORATIONMaksym Holoborodko

Customer experience

One

Written reviews8 reviews
Positive12.5%
Neutral12.5%
Negative75.0%

Authenticator 2FA, MFA, OTP

All ratings128 ratings
Positive85.9%
Neutral4.7%
Negative9.4%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

One

No in-app purchases

9 purchases

Authenticator 2FA, MFA, OTP

Subscriptions7
  • Unlock all features7 Days trial$2.997 Days
  • Unlock all features3 Days trial$9.997 Days
  • Unlock all features$9.997 Days
Show 4 more
  • Unlock all features$19.991 Year
  • Unlock all features$59.991 Year
  • Unlock all features$69.991 Year
  • Unlock all features$79.991 Year
One-time2
  • Unlock all features$69.99
  • Unlock all features$99.99

Questions

Is One free?
One is free to download, with no in-app purchases.
Is Authenticator 2FA, MFA, OTP free?
Authenticator 2FA, MFA, OTP is free to download, with in-app purchases available.
Do One or Authenticator 2FA, MFA, OTP have ads?
Neither One nor Authenticator 2FA, MFA, OTP shows ads.
Which is updated more often, One or Authenticator 2FA, MFA, OTP?
One ships an update every 5 months, and Authenticator 2FA, MFA, OTP every 2 weeks. Most recently, One was updated on October 6, 2026 and Authenticator 2FA, MFA, OTP on October 12, 2026.

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