Authenticator App-2FA Security

Authenticator App-2FA Security

A1Apps-co
★★★★☆ 3.8 Tools v1.2.8 100,000+
Verified Safe & Direct
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Download Sources

Device Configuration

Split APKs Installation Guide

Some apps are distributed as Split APKs (multiple .apk files packaged together) to optimize resources. Standard Android installers cannot open them.

1. Download Split APKs Installer (SAI) from Google Play Store.
2. Download the app archive (.apks) using the download sources listed above.
3. Open SAI, click "Install APKs", choose the downloaded archive, and click Install.

Related Applications

Version
1.2.8
Downloads
100,000+
Updated
Dec 29, 2025
Developer
A1Apps-co
Category
Tools
Content Rating
Everyone
Package
com.a1.authenticator
Platform
Android
ScreenshotScreenshotScreenshotScreenshotScreenshotScreenshot

What's New

📝 Release Notes – v1.2.8
New:

👔 Bug Fixes + Improved Tablet UX

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:

1) 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

2) 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.

How to Download Authenticator App-2FA Security APK

  1. Enter the package name com.a1.authenticator on the APK Downloader homepage.
  2. Select your device architecture (ARM64 recommended for modern devices).
  3. Click Download to get the merged APK file.
  4. Transfer and install the APK on your Android device.
  5. Keep Updated: Visit APK Downloader regularly to search for and download the latest secure versions of your favorite apps.

Security & Signature Verification

This APK download is 100% safe. We verify that the cryptographic signature of the file matches the official developer credentials. No modifications or adware are injected.

Photos/Media/Files Basic Access
  • read the contents of your USB storage
  • modify or delete the contents of your USB storage
Storage Basic Access
  • read the contents of your USB storage
  • modify or delete the contents of your USB storage
Camera Special Access
  • take pictures and videos
Microphone Special Access
  • record audio
Other Basic Access
  • view network connections
  • full network access
  • prevent device from sleeping
  • Google Play license check
  • read Google service configuration