{
    "products": [
        {
            "slug": "bitwarden-authenticator",
            "name": "Bitwarden Authenticator",
            "kind": "app",
            "website": "https://bitwarden.com/products/authenticator/",
            "page": "https://listme.name/software/bitwarden-authenticator",
            "tagline": "Free open-source two-factor app that needs no account",
            "summary": "Bitwarden Authenticator is a free, open-source two-factor app from Bitwarden for iOS and Android. It generates time-based codes, needs no account, and integrates with the Bitwarden password manager, which is a separate product.",
            "platforms": [
                "ios",
                "android"
            ],
            "pricing": "open-source",
            "price_note": "Free and open source; no account needed",
            "free_to_use": true,
            "open_source": true,
            "license": "GPL-3.0",
            "source": "https://github.com/bitwarden/authenticator-android",
            "strengths": [
                "Free and open source under GPL-3.0",
                "No account needed",
                "Integrates with the Bitwarden password manager"
            ],
            "limits": [
                "Mobile only, with no desktop version listed",
                "Sync and backup are not described on its page"
            ],
            "checked": "2026-10-10",
            "connected_to_publisher": false,
            "overview": "Bitwarden Authenticator generates time-based one-time codes, and you can scan a QR code to add each account. It is a standalone app, so it can be used without a Bitwarden password manager account. The company describes it as an app that generates and stores two-step verification tokens.\n\nThe app is free on iOS and Android, and its source is open under GPL-3.0 on GitHub. Its page also points to integration with the Bitwarden password manager, which has free and paid plans. The app is mobile only, with no desktop version listed."
        },
        {
            "slug": "proton-authenticator",
            "name": "Proton Authenticator",
            "kind": "app",
            "website": "https://proton.me/authenticator",
            "page": "https://listme.name/software/proton-authenticator",
            "tagline": "Open-source two-factor app with end-to-end encrypted sync",
            "summary": "Proton Authenticator is a two-factor authentication app from Proton, the company behind Proton Mail. It runs on iPhone, iPad, Apple Watch, Android, macOS, Windows and Linux, and it syncs and backs up codes with end-to-end encryption.",
            "developer": "Proton",
            "platforms": [
                "ios",
                "android",
                "macos",
                "windows",
                "linux"
            ],
            "pricing": "free",
            "price_note": "Free to use and ad-free, according to its site",
            "free_to_use": true,
            "open_source": true,
            "strengths": [
                "Free to use, with sync and backup of codes",
                "Apps for phones, tablets, Apple Watch and desktops",
                "Standalone app, with no password manager needed"
            ],
            "limits": [
                "No browser extension is listed on the product page"
            ],
            "checked": "2026-10-10",
            "connected_to_publisher": false,
            "overview": "Proton Authenticator generates one-time codes on phones, tablets, Apple Watch and desktops. The app supports biometric unlock, and you can search for codes and see the next code for an account. Codes sync and back up across devices, and the site describes the app as end-to-end encrypted.\n\nProton describes the app as open source, free to use and ad-free, and it says the company is Swiss-based. It is a standalone product, although the site also promotes Proton Pass for storing passwords alongside codes. No browser extension is listed on the product page."
        }
    ],
    "differences": [
        "Only Proton Authenticator runs on Windows.",
        "Only Proton Authenticator runs on macOS.",
        "Only Proton Authenticator runs on Linux.",
        "Bitwarden Authenticator: free and open source. Proton Authenticator: free."
    ],
    "shared_rankings": [
        {
            "list": "authenticator-apps",
            "name": "Authenticator apps",
            "page": "https://listme.name/best/authenticator-apps",
            "of": 10,
            "results": [
                {
                    "product": "bitwarden-authenticator",
                    "rank": 7,
                    "score": 84.5,
                    "verdict": "Free, open-source two-factor app from Bitwarden that needs no account and works on iOS and Android. It is mobile only, and its page does not describe sync or backup.",
                    "best_for": "Free mobile 2FA for Bitwarden users",
                    "spec": {
                        "platforms": "iOS, Android",
                        "open_source": true,
                        "backups": "Not described on its page"
                    }
                },
                {
                    "product": "proton-authenticator",
                    "rank": 2,
                    "score": 89,
                    "verdict": "Open-source app with end-to-end encrypted sync and backup across phones, tablets and desktops, plus an Apple Watch app. No browser extension is listed, and the company is Swiss-based.",
                    "best_for": "Encrypted sync across phones, tablets and desktops",
                    "spec": {
                        "platforms": "iOS, Android, macOS, Windows, Linux",
                        "open_source": true,
                        "backups": "End-to-end encrypted sync and backup"
                    }
                }
            ]
        }
    ],
    "ranks_higher_in_closest_shared_list": "proton-authenticator",
    "page": "https://listme.name/compare/bitwarden-authenticator-vs-proton-authenticator",
    "json": "https://listme.name/api/v1/compare/bitwarden-authenticator-vs-proton-authenticator.json",
    "notes": [
        "Scores are editorial and only comparable inside one list. Products with connected_to_publisher true receive a disclosed ranking lift: https://listme.name/methodology"
    ],
    "source": "https://listme.name",
    "license": "Free to read and cite with attribution to listme.name.",
    "docs": "https://listme.name/developers"
}