Comparison

2FA Authenticator (2FAS) vs connexo 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

connexo Authenticator

Features
Read full description

2-Faktor-Authenticator – Sicher. Klar. Lesbar. Schütze deine Online-Konten mit zeitbasierten Einmalpasswörtern (TOTP) – direkt auf deinem iPhone, ohne Cloud, ohne Kompromisse bei der Sicherheit. Dein Sicherheitsvorteil Alle geheimen Schlüssel werden ausschließlich in der verschlüsselten iOS Keychain gespeichert – auf deinem Gerät, niemals auf fremden Servern. Kein Account, kein Abo, keine Datenweitergabe. Neu: Dynamische Schriftgröße Du bestimmst, wie groß dein Code angezeigt wird. Mit einem einzigen Tipp auf das aA-Symbol wechselst du zwischen normaler und großer Darstellung – ideal für entspanntes Ablesen ohne Brille oder in stressigen Situationen. Die Einstellung bleibt auch nach einem Neustart der App gespeichert.

Screenshots

2FA Authenticator (2FAS)4 screens
connexo Authenticator4 screens

Verdict

The call

2FA Authenticator (2FAS) and connexo Authenticator 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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

ScorecardNo meaningful differences
2FA Authenticator (2FAS) versus connexo Authenticator: the parameters behind the verdict, then further details
Parameter2FA Authenticator (2FAS)connexo Authenticator
PriceFreeFree
Rating4.7 (35K ratings) — better—
Positive reviews77.4% of reviews—
Number of ratings35K — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.617.6 — better
Further details — not scored
Size80 MB2 MB
Age rating4+4+
DeveloperTwo Factor Authentication Service Inc.connexo GmbH

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

connexo Authenticator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

2FA Authenticator (2FAS)

No in-app purchases

None

connexo Authenticator

No in-app purchases

Questions

Is 2FA Authenticator (2FAS) free?
2FA Authenticator (2FAS) is free to download, with no in-app purchases.
Is connexo Authenticator free?
connexo Authenticator is free to download, with no in-app purchases.
Do 2FA Authenticator (2FAS) or connexo Authenticator have ads?
Neither 2FA Authenticator (2FAS) nor connexo Authenticator shows ads.
Which is updated more often, 2FA Authenticator (2FAS) or connexo Authenticator?
2FA Authenticator (2FAS) ships an update monthly, and connexo Authenticator monthly. Most recently, 2FA Authenticator (2FAS) was updated on October 14, 2026 and connexo Authenticator on October 5, 2026.

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