Proton Releases Free Two-Factor Authentication App

Proton today launched Proton Authenticator, a free two-factor authentication app available across all major platforms including iOS, Android, Windows, macOS, and Linux.

Proton Authenticator app
The open-source app generates time-based one-time passwords as an additional security layer beyond regular login credentials. Unlike competitors such as Google Authenticator and Microsoft Authenticator, Proton Authenticator also offers end-to-end encrypted backup and cross-device sync without ads or tracking, just like Proton's other products.

The Swiss-based company claims users can import existing 2FA tokens from other apps within seconds, while the app works offline and automatically backs up authentication codes.

"Two-factor authentication is necessary for everyone – not just those who care about their privacy," said Eamonn Maguire, head of account security at Proton. "We believe strong security should never come at the cost of your convenience or privacy. That's why we've developed Proton Authenticator: to give users peace of mind that their 2FA codes are available wherever they need them, without relying on Google or Microsoft."

Proton notes that account takeover attacks cost billions annually, making 2FA increasingly important. App-based authentication is also more secure than using SMS codes, which are vulnerable to SIM swapping attacks.

Proton Authenticator can be downloaded from the Proton website. The launch continues the company's recent product expansion – earlier this week it introduced Lumo, a privacy-focused AI chatbot that doesn't store conversation records or use user data for model training.

Tag: Proton

Popular Stories

ios 26 1 slide to stop

iOS 26.1 Brings Back 2007 Feature in New Way

Friday October 31, 2025 1:40 pm PDT by
The upcoming iOS 26.1 update includes a small but helpful change for iPhones, and it could prevent you from running late to something important. Specifically, when an alarm goes off in the Clock app, there is a new "slide to stop" control on the screen for turning off the alarm. On previous iOS 26 versions, there is simply a large "stop" button, which could be accidentally tapped. The new ...
M5 MacBook Pro

Waiting for New Macs? Apple Just Shared Bad News

Friday October 31, 2025 7:32 am PDT by
Apple has just given a strong indication that it will not be releasing any additional new Macs for the remainder of the year. Apple's CFO Kevan Parekh dropped the hint during the company's earnings call on Thursday:On Mac, keep in mind, we expect to face a very difficult compare against the M4 MacBook Pro, Mac mini, and iMac launches in the year-ago quarter.Parekh essentially gave a heads up ...
iPhone 17 Pro Cosmic Orange

8 Reasons to Wait for Next Year's iPhone 18 Pro

Thursday October 30, 2025 4:42 am PDT by
Apple's iPhone development roadmap runs several years into the future and the company is continually working with suppliers on several successive iPhone models at the same time, which is why we often get rumored features months ahead of launch. The iPhone 18 series is no different, and we already have a good idea of what to expect for the iPhone 18 Pro and iPhone 18 Pro Max. One thing worth...
iOS 26

6 New Things Your iPhone Can Do in iOS 26.1

Wednesday October 29, 2025 4:22 am PDT by
Apple is about to drop iOS 26.1, the first major point release since iOS 26 was rolled out in September, and there are at least six notable changes and improvements to look forward to. We've rounded them up below. Apple has already provided developers and public beta testers with the release candidate version of iOS 26.1, which means Apple will likely roll out the update to all compatible...
Apple Foldable Thumb

iPhone Fold: Launch, Pricing, and What to Expect From Apple's Foldable

Friday October 31, 2025 8:52 am PDT by
Apple is expected to launch a new foldable iPhone next year, based on multiple rumors and credible sources. The long-awaited device has been rumored for years now, but signs increasingly suggest that 2026 could indeed be the year that Apple releases its first foldable device. Below, we've collated an updated set of key details that have been leaked about Apple's foldable iPhone so far. Ove...
Coffee Burgundy and Purple iPhone 18 Pro Mock 1

Leaker Outlines Potential New Colors for iPhone 18 Pro

Friday October 31, 2025 8:28 am PDT by
Apple's iPhone 18 Pro models could be available in new rich and warm color option, according to a known leaker. The Weibo user known as "Instant Digital" today suggested that next-year's iPhone 18 Pro models will be available in at least one of the following color options: Coffee, purple, and burgundy. The iPhone XR, iPhone 11, iPhone 12, iPhone 14, and iPhone 14 Pro were all available in ...
apple tv hd

Apple Launched Its Big New Vision for TV 10 Years Ago Today

Thursday October 30, 2025 8:58 am PDT by
Apple launched the Apple TV HD, the Siri Remote, tvOS, and their accompanying App Store a decade ago today, marking a major overhaul of the device. The new vision for the Apple TV was unveiled on September 9, 2015 during Apple's "Hey Siri" event in San Francisco, where CEO Tim Cook introduced the device with the statement, "The future of TV is apps." The announcement represented a major...
iOS 26

Apple This November: iOS 26.2 Beta, Rumored New Products, and More

Thursday October 30, 2025 12:42 pm PDT by
Tomorrow is Halloween, and then November is upon us. Below, we outline what to expect from Apple next month, as the slower holiday season approaches. Apple is expected to kick off November by releasing iOS 26.1, iPadOS 26.1, macOS 26.1, watchOS 26.1, tvOS 26.1, and visionOS 26.1. With beta testing now wrapped up, the updates will likely be released this Monday, November 3 or Tuesday,...
iOS 26

iOS 26.1 Coming Soon: New Features for Your iPhone and Release Date

Monday October 27, 2025 7:55 am PDT by
The upcoming iOS 26.1 update includes a handful of new features and changes for iPhones, including a toggle for changing the appearance of the Liquid Glass design, "slide to stop" for alarms in the Clock app, and more. Below, we outline key details about iOS 26.1. Release Date Given that Apple has yet to seed an iOS 26.1 Release Candidate, which is typically the final beta version, the...
iOS 18 Siri Personal Context

Apple CEO Tim Cook Says Revamped Siri on Track to Launch Next Year

Thursday October 30, 2025 1:50 pm PDT by
Apple CEO Tim Cook today said that a more personalized version of Siri remains on track to launch at some point next year, with the new set of features expected to debut on the iPhone as part of iOS 26.4 in March or April. "We're also excited for a more personalized Siri," said Cook, on Apple's earnings call for the third quarter of the 2025 calendar year. "We're making good progress on it,...

Top Rated Comments

broodj3ham Avatar
13 weeks ago
Apple passwords does this too...
Score: 19 Votes (Like | Disagree)
broodj3ham Avatar
13 weeks ago

Awesome. I love Proton. I already use Proton Pass to store my 2FA codes. It would be cool to be able to export all my codes to this app and run it offline. They updated Proton Pass the other day and it logged me out so I couldn't do anything until I got home. I did use to have my Proton 2FA code in Google Authenticator and I have a printed copy of my code at home in a safe.

This could be super useful. Going to look into it now.


Yeah but who actually uses Apple Passwords lol. It's so barebones and behind every other password manager.
I do. It stores my passwords, fills them when I need them and wow it can even generate 2FA codes. What more do you need? (genuine question)
Score: 12 Votes (Like | Disagree)
adrianlondon Avatar
13 weeks ago
I feel one of the advantages of a 2FA app is that if, for whatever reason, your password manager is compromised, the passwords still can't be used to log in to sites requiring 2FA.

In my case, if somehow Bitwarden was compromised (maybe someone saw me type in the password) then they'd still need my phone and to unlock it to use Authy.

It's for this reason I don't like the idea of both passwords and 2FA codes being in the same app, such as Apple's.
Score: 11 Votes (Like | Disagree)
Ph03n1xx Avatar
13 weeks ago
Amazing, I've been looking forward to seeing something like this from Proton for years now.
Score: 9 Votes (Like | Disagree)
klasma Avatar
13 weeks ago

Nice, but why not have something like this for passkeys?
Why is it going so going so slow to move over to passkeys? I thought we would have come much further by now.
Regarding adoption of passkeys, I think people in general don’t like passkeys that much, because while in principle more secure, they are a bit of a black box. Entering a password or time-based code is something that everyone can intuitively grasp on some level. The mechanism of passkeys is more opaque and a bit inscrutable.
Score: 7 Votes (Like | Disagree)
klasma Avatar
13 weeks ago

What are the advantages and disadvantages of third-party 2FA when the entity already has its own 2FA? For example, I have 2FA enabled for my Amazon account. Why would I want to use a third party for that?
The mechanism for TOTP codes is standardized, there is no particular benefit in using a “first-party” app for it. Use whatever app you like best. This is like choosing your favorite browser or email app.

One benefit of the Proton app is that it syncs your TOTP accounts cross-platform with end-to-end encryption, which for example Google Authenticator doesn’t do. Also desktop support.
Score: 7 Votes (Like | Disagree)