Why can't I install Proton Authenticator & 2FA?

The installation of Proton Authenticator & 2FA may fail because of the lack of device storage, poor network connection, or the compatibility of your Android device. Therefore, please check the minimum requirements first to make sure Proton Authenticator & 2FA is compatible with your phone.

How to check if Proton Authenticator & 2FA is safe to download?

Proton Authenticator & 2FA is safe to download on APKPure, as it has a trusted and verified digital signature from its developer.

How to download Proton Authenticator & 2FA old versions?

APKPure provides the latest version and all the older versions of Proton Authenticator & 2FA. You can download any version you want from here: All Versions of Proton Authenticator & 2FA

What's the file size of Proton Authenticator & 2FA?

Proton Authenticator & 2FA takes up around 91.0 MB of storage. It's recommended to download APKPure App to install Proton Authenticator & 2FA successfully on your mobile device with faster speed.

Proton Authenticator & 2FA

91.0 MBEveryone

1.3.9
Jul 7, 2026

Trusted App

Proton Authenticator & 2FA 1.3.9 Overview

Proton Authenticator & 2FA 1.3.9 was released by Proton AG on Jul 7, 2026, with a download size of about 91.0 MB. This update includes bug fixes and performance improvements.

You can download Proton Authenticator & 2FA 1.3.9 from APKPure with confidence. The APK file has been verified for its signature and file integrity to ensure a safe installation.

Check the "What's New" section below to see changelog details for version Proton Authenticator & 2FA 1.3.9, and view "APK Info" for package details, system requirements, and compatibility information.

As new versions of Proton Authenticator & 2FA are continuously developed, we recommend keeping the app up to date for the best experience. Download the Latest Version

What's New in Version 1.3.9

Jul 7, 2026

Fixes:
- Bug fixes and improvements.
Other:
- Updated core libraries.
- Translation updates.

APK Info

Package Name
proton.android.authenticator
Version
1.3.9
File Format
XAPKAPKs
File Size
91.0 MB
Android OS
Android 8.1+ (Oreo, API 27)
Architecture
arm64-v8a
Content Rating
Everyone
Security Report
Check Now
Signature
d8e1ee3ff3a7f6ec46883c898032fe03c23eec20
Feedback
Flag as inappropriate
Feedback
Package Name
proton.android.authenticator
Your name
Your email
Reason for reporting
Any other things you wanna tell us?
Verification code
Developer Verification
Verified