But unlike other big names in this space\u2014like Microsoft Authenticator or Google Authenticator\u2014the main selling point here is that Proton Authenticator is fully open-source, enabling anyone to verify its security claims, and offers end-to-end encrypted backups. Moreover, it gives users the freedom to export their data at any time, eliminating concerns about vendor lock-in.<\/p>\n\n\n\n
To give you a better idea, here’s a comparison table put together by the app’s creators.<\/p>\n\n\n\n Interestingly, Proton Authenticator complements Proton Pass, Proton\u2019s existing password manager, with built-in 2FA features. The differences? While Proton Pass provides quick convenience by autofilling passwords and 2FA codes, Proton Authenticator offers a standalone, dedicated security solution ideal for those seeking advanced protection.<\/p>\n\n\n\n If you’re ready to try it, the app is available now for iOS, Android, macOS, Windows, and Linux. For more information, see the official announcement<\/a><\/a>.<\/p>\n\n\n\n Image credits: Proton<\/em><\/p>\n","protected":false},"excerpt":{"rendered":" Proton has launched a free, open-source 2FA app with encrypted sync and offline access for iOS, Android, Windows, macOS, and Linux.<\/p>\n","protected":false},"author":10,"featured_media":180467,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,5],"tags":[5546,1354,3374],"class_list":["post-180464","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","category-news","tag-2fa","tag-proton","tag-security"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/linuxiac.com\/wp-json\/wp\/v2\/posts\/180464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/linuxiac.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/linuxiac.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/linuxiac.com\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/linuxiac.com\/wp-json\/wp\/v2\/comments?post=180464"}],"version-history":[{"count":0,"href":"https:\/\/linuxiac.com\/wp-json\/wp\/v2\/posts\/180464\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/linuxiac.com\/wp-json\/wp\/v2\/media\/180467"}],"wp:attachment":[{"href":"https:\/\/linuxiac.com\/wp-json\/wp\/v2\/media?parent=180464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/linuxiac.com\/wp-json\/wp\/v2\/categories?post=180464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/linuxiac.com\/wp-json\/wp\/v2\/tags?post=180464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"Comparison](\"https:\/\/linuxiac.com\/wp-content\/uploads\/2025\/07\/proton-authenticator-comparasion-table.jpg\")
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The app also caters to a variety of user needs by allowing 2FA codes to be synced securely across multiple devices or stored locally on a single device, even offline. Users can further enhance account security through biometric authentication or PIN protection.<\/p>\n\n\n\n