A1 Authenticator App

In-app purchases
5K+
Downloads
Content rating
PEGI 3
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About this app

Simple two-factor authentication is available for your account and other compatible apps with A1 Authenticator. With A1 Authenticator App, you get all the security without any of the hassle thanks to one-tap verification and safe cloud backup.

Forget passwords—use your phone to log in! Enter your username, then approve the login request on your phone. This two-step verification adds an extra layer of security with your fingerprint, face ID, or PIN. After completing the two-factor authentication (2FA), you’ll gain access to all your account details.

Features

✅ Produces 6-digit codes every 30 seconds
✅ Notifies users via push notification for one-tap clearance
✅ Provides a free encrypted backup
✅ Assistance with SMS codes
✅ QR code-based automated setup
✅ Dark Mode: Use the app with comfort

Why A1 Authenticator is a multi factor authentication app:

Offline Functionality
Disconnected from the internet? It’s not an issue! Our app can generate secure one-time passwords (OTPs) without needing a network connection

Secure Backups
You can safeguard your data without worrying thanks to options for offline backup and account restoration.

It’s not too late to protect your data, so what are you waiting for? Start using the A1 Authenticator app today and Protect your online accounts

Start using the A1 Authenticator app today.
Updated on
10 Apr 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, Personal info and 3 others
Data is encrypted in transit
You can request that data be deleted

What's new

🚀 New Features:
🔐 Backup & Restore Functionality

You can now securely back up your 2FA accounts and restore them anytime on a new device or after reinstalling the app.

Backup is encrypted and safely stored — your OTP secrets stay protected.

Restore automatically fetches your accounts when you sign in.

🛠️ Improvements:
UI enhancements for better navigation and clarity.

Smoother QR scanning performance and better error handling.