Proton Authenticator & 2FA vs SierraPlat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Proton Authenticator & 2FA
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
SierraPlat
Manage construction projects with this CRM tool. Features include timesheet tracking and scheduling capabilities to streamline project management.
- Construction project management
- CRM capabilities
- Timesheet tracking
- Scheduling features
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CRM for managing construction projects, includes timesheets, and scheduling capabilities.
Screenshots
Verdict
The clearest difference is rating: SierraPlat at 5.0 against Proton Authenticator & 2FA's 4.4. Proton Authenticator & 2FA's advantage is ratings volume (366 vs 2) and update cadence (weekly vs every 3 weeks). On price, ads, in-app purchases and monetization model 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.
SierraPlat holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Proton Authenticator & 2FA has 366 ratings behind it against 2, so its average is the more settled of the two.
Proton Authenticator & 2FA ships an update weekly, SierraPlat every 3 weeks. The most recent releases landed on October 23, 2026 and October 5, 2026 respectively.
| Parameter | Proton Authenticator & 2FA | SierraPlat |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (366 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 57.6% of reviews | — |
| Number of ratings | 366 — better | 2 |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 120 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Proton AG | StarwayApps LLC |
Customer experience
Proton Authenticator & 2FA
SierraPlat
Bugs and requests
Proton Authenticator & 2FA
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
SierraPlat
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Proton Authenticator & 2FA
No in-app purchases
SierraPlat
No in-app purchases
Questions
Is Proton Authenticator & 2FA free?
Is SierraPlat free?
Which has better reviews, Proton Authenticator & 2FA or SierraPlat?
Do Proton Authenticator & 2FA or SierraPlat have ads?
Which is updated more often, Proton Authenticator & 2FA or SierraPlat?
Other comparisons
