Comparison

2FA Authenticator (2FAS) vs ID.me Authenticator

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

Head to head
About

2FA Authenticator (2FAS)

Securely log in to your online accounts with two-factor authentication. This app protects your personal data and passwords from cyber threats with a simple, private, and open-source solution. It offers easy token restoration, app protection, and offline functionality.

Highlights
  • Two-factor authentication
  • Token backup and restore
  • App protection with passcode/biometrics
  • Open-source and transparent
  • Offline functionality
  • Cross-device sync
  • One-tap authentication with browser extensions
Features
Read full description

2FAS is the easiest way to enable two-factor authentication (or multi-factor authentication) to verify your identity and securely log in to accounts to keep your personal data and passwords protected from cyber threats — all from one app, 100% free! The world’s most secure, private, and simple 2FA app. Secure: • Easily restore your tokens with backups. • Add app protection with your passcode or biometrics. • 2FAS is open-source, transparent, and community-driven. Simple: • 2FAS syncs across your mobile devices. • An interface designed for simplicity. • One-tap authentication with 2FAS Browser Extensions. • Multi-language support. • Quick guides for setup and support. Private: • 2FAS works offline. • 2FAS doesn't store any passwords or metadata. • 100% anonymous use, no account required. It’s not too late to protect your data, so what are you waiting for? Protect your online accounts and services now with TOTP and HOTP algorithms. Start using the 2FAS authenticator app today! If you have any questions, talk with us on our Discord server: https://discord.gg/q4cP6qh2g5 Learn more about 2FAS: • Check our GitHub repository: https://github.com/twofas • Visit our website at: https://2fas.com/ • Follow us on X: https://x.com/2FAS_com • Subscribe on YouTube: https://www.youtube.com/@2FAS

About

ID.me Authenticator

This app provides a free multi-factor authentication solution for your account, adding an extra security layer to prevent unauthorized access. It generates secure verification tokens, including time-based codes and push notifications, to confirm your identity during login.

Highlights
  • Multi-factor authentication (MFA)
  • Time-based one-time passwords (TOTP)
  • Push notification verification
  • Mobile security keys
  • Account protection from hackers
Features
Currently charting
Read full description

ID.me Authenticator is a simple and free multi-factor authentication (MFA) solution for your ID.me account, protecting your account from hackers by adding an additional layer of security. ID.me Authenticator generates secure 2-step verification tokens on your device, including time-based one-time passwords, (TOTP), push notifications, or mobile security keys, to verify your identity. When logging in, after entering in your password, you will be asked for an additional way to prove it is really you. Either approve the notification sent to the ID.me Authenticator by tapping ‘Yes’ to approve if it’s you (push notification), or enter the verification code generated by the app (TOTP).

Screenshots

2FA Authenticator (2FAS)4 screens
ID.me Authenticator4 screens

Verdict

The call

The clearest difference is review sentiment: 2FA Authenticator (2FAS) at 78% against ID.me Authenticator's 12%. 2FA Authenticator (2FAS) also leads on rating (4.7 vs 4.3) and update cadence (monthly vs every 2 months). ID.me Authenticator's advantage is chart position (#39 vs unranked) and iOS requirement (12.0 vs 18.6). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

2FA Authenticator (2FAS) holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 35K and 100K respectively. Written reviews point the same way: 78% of 2FA Authenticator (2FAS)'s written reviews are positive against 12% of ID.me Authenticator's.

UpkeepUpdate frequency

2FA Authenticator (2FAS) ships an update monthly, ID.me Authenticator every 2 months. Both last shipped on September 24, 2026.

Scorecard5 real differences · 6 level
2FA Authenticator (2FAS) versus ID.me Authenticator: the parameters behind the verdict, then further details
Parameter2FA Authenticator (2FAS)ID.me Authenticator
PriceFreeFree
Rating4.7 (35K ratings) — better4.3 (100K ratings)
Positive reviews77.6% of reviews — better12.3% of reviews
Number of ratings35K100K — better
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank—#39 — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS18.612.0 — better
Further details — not scored
Size80 MB22 MB
Age rating4+4+
DeveloperTwo Factor Authentication Service Inc.ID.me

Customer experience

2FA Authenticator (2FAS)

All ratings35,190 ratings
Positive93.2%
Neutral2.0%
Negative4.8%
Written reviews710 reviews
Positive77.6%
Neutral5.5%
Negative16.9%

ID.me Authenticator

All ratings99,653 ratings
Positive82.6%
Neutral2.9%
Negative14.5%
Written reviews204 reviews
Positive12.3%
Neutral4.4%
Negative83.3%

User reviews

2FA Authenticator (2FAS)

From 35K App Store ratings

What we love

  • 🚀 Efficient and fast
  • 🔒 Secure and private
  • 👍 Simple and intuitive UI
  • 💡 Customizable icons and folders
  • 🔒 iCloud backup and sync

Room to improve

  • 🐛 Occasional bugs and crashes
  • 🔒 Lack of password/PIN protection
  • 🕰 No Apple Watch app
  • 🐛 Issues with push notifications
  • 🕰 Missing desktop/web app

ID.me Authenticator

From 100K App Store ratings

What we love

  • 🚀 Easy to use
  • 💡 Comprehensive identity verification
  • 👍 Clean and straightforward interface

Room to improve

  • 🐛 Frequent technical issues
  • 🕰️ Slow and unresponsive support
  • 🤯 Confusing and frustrating workflow
  • 🔒 Privacy and security concerns
  • 🙍‍♀️ Poor user experience for non-tech-savvy individuals

Bugs and requests

2FA Authenticator (2FAS)

Reported bugs

3 issues
  • Tokens disappearing after device changes
  • Push notification failures
  • Incompatibility with older devices

Requested features

5 requests
  • Alphanumeric passcode option
  • Custom icon uploads
  • Apple Watch app
  • Desktop/web app
  • Improved support and communication

ID.me Authenticator

Reported bugs

4 issues
  • Repeated login failures
  • Inability to upload documents successfully
  • Inconsistent error messages
  • Compatibility issues with certain phone models

Requested features

4 requests
  • Improved customer support with live agents
  • Simplified identity verification process
  • Compatibility with more device types
  • Ability to reset passwords and accounts easily

In-app purchases

None

2FA Authenticator (2FAS)

No in-app purchases

None

ID.me Authenticator

No in-app purchases

Questions

Is 2FA Authenticator (2FAS) free?
2FA Authenticator (2FAS) is free to download, with no in-app purchases.
Is ID.me Authenticator free?
ID.me Authenticator is free to download, with no in-app purchases.
Which has better reviews, 2FA Authenticator (2FAS) or ID.me Authenticator?
2FA Authenticator (2FAS) is rated higher. 2FA Authenticator (2FAS) averages 4.7 out of 5 from 35K ratings, while ID.me Authenticator averages 4.3 from 100K ratings.
Do 2FA Authenticator (2FAS) or ID.me Authenticator have ads?
Neither 2FA Authenticator (2FAS) nor ID.me Authenticator shows ads.
Which is updated more often, 2FA Authenticator (2FAS) or ID.me Authenticator?
2FA Authenticator (2FAS) ships an update monthly, and ID.me Authenticator every 2 months. Most recently, 2FA Authenticator (2FAS) was updated on September 24, 2026 and ID.me Authenticator on September 24, 2026.

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