Proton Authenticator vs connexo Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Proton Authenticator
Securely manage your two-factor authentication codes with an open-source, end-to-end encrypted authenticator app. It offers seamless cross-device syncing, effortless import from other apps, and robust backup options, all protected by strict Swiss privacy laws. Take control of your digital security with a trusted and private solution.
- End-to-end encrypted iCloud sync
- Effortless import from other authenticators
- Secure backup and export
- Swiss privacy by design
- Open source and transparent
- Offline support
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Get the authenticator trusted by millions — from Proton Mail, the world's largest encrypted email provider. Proton Authenticator is open source, end-to-end encrypted, and protected by strict Swiss privacy laws. Protect all your new accounts and strengthen security on your existing ones. Proton Authenticator keeps your 2FA codes secure, accessible, and completely private — with full control over where your data is stored. KEY FEATURES Local-First Storage:Your 2FA codes are stored entirely on your device, giving you complete control over your data. Effortless Import: Migrate from Google Authenticator, Authy, or any other app in seconds. Secure Backup & Export: Retain full control of your data with easy backup and restore options. Swiss Privacy by Design: Built under Switzerland's strongest data protection regulations. Open Source & Transparent: Auditable code. No tracking. No ads. Take control of your digital security with encryption you can trust. Free to use: No Proton account required, ad-free. Offline support: On mobile and desktop apps No other 2FA app provides this combination of security and privacy. Trusted by millions. Built by Proton. Take control of your digital security today. Terms of service: https://proton.me/legal/terms Learn more: https://proton.me
connexo Authenticator
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2-Faktor-Authenticator – Sicher. Klar. Lesbar. Schütze deine Online-Konten mit zeitbasierten Einmalpasswörtern (TOTP) – direkt auf deinem iPhone, ohne Cloud, ohne Kompromisse bei der Sicherheit. Dein Sicherheitsvorteil Alle geheimen Schlüssel werden ausschließlich in der verschlüsselten iOS Keychain gespeichert – auf deinem Gerät, niemals auf fremden Servern. Kein Account, kein Abo, keine Datenweitergabe. Neu: Dynamische Schriftgröße Du bestimmst, wie groß dein Code angezeigt wird. Mit einem einzigen Tipp auf das aA-Symbol wechselst du zwischen normaler und großer Darstellung – ideal für entspanntes Ablesen ohne Brille oder in stressigen Situationen. Die Einstellung bleibt auch nach einem Neustart der App gespeichert.
Screenshots
Verdict
The clearest difference is update cadence: Proton Authenticator at weekly against connexo Authenticator's monthly. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Proton Authenticator ships an update weekly, connexo Authenticator monthly. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.
| Parameter | Proton Authenticator | connexo Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (242 ratings) — better | — |
| Positive reviews | 55.7% of reviews | — |
| Number of ratings | 242 — better | — |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 119 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Proton AG | connexo GmbH |
Bugs and requests
Proton Authenticator
Reported bugs
4 issues- Sync/login loop on iPad
- 2FA input broken on non-iPhone devices
- Screen strobing on iPad
- Duplicate entries after import
Requested features
5 requests- PIN unlock for desktop
- Alphabetical sorting option
- Export function (not just Proton-specific backup)
- Native macOS app
- Option to hide item icons
connexo Authenticator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Proton Authenticator
No in-app purchases
connexo Authenticator
No in-app purchases
Questions
Is Proton Authenticator free?
Is connexo Authenticator free?
Do Proton Authenticator or connexo Authenticator have ads?
Which is updated more often, Proton Authenticator or connexo Authenticator?
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