2FA Authenticator (2FAS) vs Authenticator App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Authenticator App
This app provides secure and effortless two-factor authentication (2FA) and multi-factor authentication (MFA) by generating time-based one-time passwords (TOTP) for online accounts. It offers encrypted backup, cloud sync, and QR code integration for easy setup and cross-device access, serving as a reliable alternative to other authenticator apps.
- Secure 2FA/MFA code generation
- Encrypted backup and cloud sync
- QR code integration for easy setup
- Cross-device compatibility
- Fast and consistent performance
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Authenticator is an advanced authentication app built to provide secure and effortless two-factor authentication (2FA) and multi-factor authentication (MFA) for your online accounts. It enhances your digital security by generating time-based one-time passwords (TOTP) and OTP codes for any platform that supports 2FA. Designed as a reliable alternative to Google Authenticator, this app ensures strong protection for your personal and professional accounts. Whether you’re securing email, managing social media logins, accessing cryptocurrency exchanges, or logging into work platforms that require two-factor authentication, Authenticator keeps your credentials safe and easily accessible. It supports popular services like Google, Facebook, Instagram, Microsoft, Binance, and many others. Key Features: Secure Authentication: Create and manage your 2FA and TOTP codes compatible with thousands of online platforms. Fast and Consistent Performance: Quickly retrieve authentication codes, even when switching between multiple accounts. Encrypted Backup & Cloud Sync: Protect your auth data with end-to-end encryption and synchronize it seamlessly across all your iOS devices. QR Code Integration: Add new authenticator entries instantly by scanning QR codes with your device’s camera. Cross-Device Compatibility: Enjoy full synchronization and access to your MFA and TOTP codes on multiple devices. Download Authenticator now to strengthen your online security with simple, reliable, and powerful multi-factor authentication (MFA). Your trusted all-in-one auth solution — fast, secure, and always in sync. https://www.sanmobile.co/terms.html https://www.sanmobile.co/privacy.html
Screenshots
Verdict
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 8) and ads (none vs shown). Authenticator App's advantage is update cadence (weekly vs monthly) and iOS requirement (15.1 vs 18.6). On price 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
Both are free to download. Authenticator App sells 8 in-app purchases, starting at $0.99 per 7 days. 2FA Authenticator (2FAS) asks for nothing beyond the download.
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 86, 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.
2FA Authenticator (2FAS) ships an update monthly, Authenticator App weekly. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.
| Parameter | 2FA Authenticator (2FAS) | Authenticator App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (35K ratings) — better | 4.5 (86 ratings) |
| Positive reviews | 77.6% of reviews — better | 25.0% of reviews |
| Number of ratings | 35K — better | 86 |
| Update frequency | Monthly | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 18.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 80 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Two Factor Authentication Service Inc. | SAN MOBILE |
Customer experience
2FA Authenticator (2FAS)
Authenticator App
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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
2FA Authenticator (2FAS)
No in-app purchases
Authenticator App
- Authenticator 2FA Weekly Basic3 Days trial$0.997 Days
- Autenticador 2FA Weekly Pre3 Days trial$7.997 Days
- Authentication 2FA Weekly Plus3 Days trial$8.997 Days
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- FreeOTP Authenticator Weekly Pro3 Days trial$9.997 Days
- MFA Authenticator Monthly Basic$29.991 Month
- Yearly Pre Subscription$39.991 Year
- Yearly Plus Subscription$49.991 Year
- Yearly Pro Subscription$59.991 Year
Questions
Is 2FA Authenticator (2FAS) free?
Is Authenticator App free?
Which has better reviews, 2FA Authenticator (2FAS) or Authenticator App?
Do 2FA Authenticator (2FAS) or Authenticator App have ads?
Which is updated more often, 2FA Authenticator (2FAS) or Authenticator App?
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