Comparison

2FA Authenticator (2FAS) vs Authenticator App

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

Authenticator App

This app provides secure two-factor authentication (2FA) codes for thousands of online accounts. It also offers a password manager with autofill, encrypted backups, and cross-device sync for enhanced digital security.

Highlights
  • Two-Factor Authentication (2FA) codes
  • Password Manager with Autofill
  • Encrypted Backups
  • Cross-Device Sync
  • Offline Access for codes
  • Built-In VPN Protection
Features
Read full description

Authenticator App by KeyGuard is the ultimate free authenticator app for managing two-factor authentication (2FA) and multi-factor authentication (MFA) on your iPhone and iPad. Protect your online accounts, including Facebook, Google, Instagram, Microsoft, Roblox, and thousands more, with secure 2FA codes. Whether you're securing emails, social media, or financial accounts, KeyGuard Authenticator App is your trusted solution for reliable and free two-factor authentication. Download today on your iPhone or iPad and take control of your online security! Why Choose KeyGuard? KeyGuard goes beyond basic two-step verification. It’s a comprehensive tool for managing your 2FA codes, passwords, and digital security. Whether you need an authenticator app, password manager with autofill, or a built-in VPN, KeyGuard App delivers unmatched convenience and peace of mind. Key Features: Two-Factor Authentication (2FA): Protect your accounts with time-based codes (OTP, TOTP). Works seamlessly with Google, Facebook, Microsoft, Instagram, and more. Password Manager with Autofill: Securely store, organize, and autofill your passwords. Generate strong, unique passwords effortlessly. Encrypted Backups: Keep your 2FA codes and passwords safe with end-to-end encrypted iCloud backups. Cross-Device Sync: Access your 2FA codes and passwords across iPhone, iPad, and other Apple devices in real time. Offline Access: Generate 2FA codes even without an internet connection, ensuring constant protection. Advanced Security Options: Lock your app with Touch ID, Face ID, or a secure PIN to ensure only you can access your data. Built-In VPN Protection: Secure your internet connection and browse safely with an integrated VPN. Getting Started is Easy: - Log in to the account you want to secure (e.g., Google, Facebook, Amazon). - Go to the account's security settings and enable Two-Factor Authentication (2FA). - Select the “Authentication App” option. - Scan the QR code using KeyGuard App. - Enter the generated code to confirm setup. - Enable encrypted backups for added peace of mind. Your Data, Fully Protected KeyGuard Authenticator App uses end-to-end encryption to secure your sensitive information, ensuring only you can access it—even when it’s stored in the cloud. With offline access, secure backups, and cross-device sync, staying safe has never been easier. Compatible with Thousands of Services Secure your favorite accounts, including Gmail, Discord, Reddit, Twitch, PlayStation, Binance, Coinbase, Shopify, Salesforce, PayPal, LinkedIn and many more. Download KeyGuard Authenticator App Now! Take control of your online security today. With features like password manager, VPN, and encrypted backups, KeyGuard App is the ultimate tool for protecting your accounts. Subscription Details Upgrade to premium for unlimited tokens, advanced password management, and enhanced VPN protection. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage subscriptions in your App Store settings. Support & Contact Need help? Reach out to us anytime at: https://appshub.com.tr/support-authenticator/ Terms of Service: https://appshub.com.tr/terms-of-use-authenticator/ Privacy Policy: https://appshub.com.tr/privacy-policy-authenticator/

Screenshots

2FA Authenticator (2FAS)4 screens
Authenticator App4 screens

Verdict

The call

The clearest difference is review sentiment: 2FA Authenticator (2FAS) at 78% against Authenticator App's 25%. 2FA Authenticator (2FAS) also leads on in-app purchases (none vs 22) and ratings volume (35K vs 1.8K). Authenticator App's advantage is iOS requirement (16.4 vs 18.6). On price, update cadence, 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 App sells 21 in-app purchases, starting at $4.99 per 7 days. 2FA Authenticator (2FAS) asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

2FA Authenticator (2FAS) holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: 2FA Authenticator (2FAS) has 35K ratings behind it against 1.8K, so its average is the more settled of the two. Written reviews point the same way: 78% of 2FA Authenticator (2FAS)'s written reviews are positive against 25% of Authenticator App's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard6 real differences · 4 level
2FA Authenticator (2FAS) versus Authenticator App: the parameters behind the verdict, then further details
Parameter2FA Authenticator (2FAS)Authenticator App
PriceFreeFree
Rating4.7 (35K ratings) — better4.5 (1.8K ratings)
Positive reviews77.6% of reviews — better25.1% of reviews
Number of ratings35K — better1.8K
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.616.4 — better
Further details — not scored
Size80 MB45 MB
Age rating4+4+
DeveloperTwo Factor Authentication Service Inc.Appshub Bilgi Teknolojileri Limited Sirketi

Customer experience

2FA Authenticator (2FAS)

All ratings35,401 ratings
Positive93.2%
Neutral2.1%
Negative4.8%
Written reviews713 reviews
Positive77.6%
Neutral5.5%
Negative17.0%

Authenticator App

All ratings1,777 ratings
Positive86.9%
Neutral5.0%
Negative8.2%
Written reviews287 reviews
Positive25.1%
Neutral2.1%
Negative72.8%

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

Authenticator App

From 1.8K App Store ratings

What we love

  • 🔒 100% secure
  • 🔒 Ensures safety for financial applications

Room to improve

  • 🤯 Not intuitive
  • 💰 Expensive with no trial
  • 🤖 Constant sales/VPN prompts
  • 🚫 Difficult to uninstall
  • 🤔 Confusing with too many options

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

Authenticator App

Reported bugs

2 issues
  • Can't read QR codes
  • App URLs don't work

Requested features

2 requests
  • Option to disable annoying prompts
  • Improve user-friendliness

In-app purchases

None

2FA Authenticator (2FAS)

No in-app purchases

21 purchases

Authenticator App

Subscriptions19
  • Authenticator App3 Days trial$4.997 Days
  • Authenticator App Premium$6.997 Days
  • Authenticator App Premium3 Days trial$6.997 Days
Show 16 more
  • Authenticator Monthly Plan$6.991 Month
  • Two Factor Authentication App$9.991 Month
  • Authenticator App Premium3 Days trial$9.997 Days
  • Authenticator App Premium$9.997 Days
  • Authenticator Yearly Access$12.991 Year
  • Authenticator App Premium$14.991 Month
  • Authenticator App Premium3 Days trial$19.991 Year
  • 2FA Authentication App$19.991 Year
  • 2FA Authenticator Premium$24.991 Year
  • AuthOne Authenticator Premium$29.991 Year
  • Authenticator App Premium3 Days trial$29.991 Year
  • Authenticator App Premium$39.991 Year
  • Authenticator App Premium3 Days trial$39.991 Year
  • Authenticator App Premium2 variants$49.993 Months
  • Authenticator App Premium3 Days trial$49.991 Year
  • Authenticator App Premium$59.991 Year
One-time2
  • Lifetime Special Offer$19.99
  • Authenticator Lifetime Deal$39.99

Questions

Is 2FA Authenticator (2FAS) free?
2FA Authenticator (2FAS) is free to download, with no in-app purchases.
Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Which has better reviews, 2FA Authenticator (2FAS) or Authenticator App?
2FA Authenticator (2FAS) is rated higher. 2FA Authenticator (2FAS) averages 4.7 out of 5 from 35K ratings, while Authenticator App averages 4.5 from 1.8K ratings.
Do 2FA Authenticator (2FAS) or Authenticator App have ads?
Neither 2FA Authenticator (2FAS) nor Authenticator App shows ads.
Which is updated more often, 2FA Authenticator (2FAS) or Authenticator App?
2FA Authenticator (2FAS) ships an update monthly, and Authenticator App monthly. Most recently, 2FA Authenticator (2FAS) was updated on October 2, 2026 and Authenticator App on October 1, 2026.

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