Proton Authenticator & 2FA vs AstroManager by Sleeman
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
AstroManager by Sleeman
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AstroManager is an astrophotography planning and management workspace for deep-sky imaging. Use it to find targets, compare observability, preview framing, plan mosaics, define imaging goals, and keep your projects organized across observatories and equipment setups. With the AstroManager N.I.N.A. plugin, you can connect your imaging PC to your AstroManager schedule, monitor active sessions remotely, review current target progress, and keep captured frames linked back to the plan. Key features: Deep-sky object search and target planning Interactive Sky Atlas with field-of-view overlays Mosaic planning and framing support Imaging goals for filters, exposures, and project progress Scheduler configuration for target selection Remote monitoring for connected N.I.N.A. clients Image Library for reviewing captured and imported frames Capture metrics, grading, plate-solving, and image inspection tools Cloud-backed review workflows for active imaging projects AstroManager is designed for astrophotographers who want a practical bridge between planning, acquisition, and review. N.I.N.A. integration requires the AstroManager N.I.N.A. plugin on a compatible Windows imaging PC. Some features require an AstroManager account, internet connectivity, and an active subscription or trial. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Additional Terms: https://astro.sleeman.at/legal/terms Privacy Policy: https://astro.sleeman.at/legal/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Proton Authenticator & 2FA at none against AstroManager by Sleeman's 9. AstroManager by Sleeman's advantage is iOS requirement (15.0 vs 17.0). On price, ads 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. AstroManager by Sleeman sells 9 in-app purchases, starting at $3.99 per month. Proton Authenticator & 2FA asks for nothing beyond the download.
| Parameter | Proton Authenticator & 2FA | AstroManager by Sleeman |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (834 ratings) — better | — |
| Positive reviews | 57.6% of reviews | — |
| Number of ratings | 834 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 120 MB | 250 MB |
| Age rating | 4+ | 4+ |
| Developer | Proton AG | Michael Karl Sleeman |
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
AstroManager by Sleeman
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Proton Authenticator & 2FA
No in-app purchases
AstroManager by Sleeman
- Cloud Storage 100 GB Monthly$3.991 Month
- Additional Client (Monthly)$4.001 Month
- Cloud Storage 250 GB Monthly$5.991 Month
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- Cloud Storage 500 GB Monthly$9.991 Month
- AstroManager Pro: Monthly$12.991 Month
- Cloud Storage 1 TB Monthly$17.991 Month
- Additional Client (Yearly)$45.001 Year
- AstroManager Pro: Yearly$129.001 Year
- AstroManager Pro: Lifetime$450.00
Questions
Is Proton Authenticator & 2FA free?
Is AstroManager by Sleeman free?
Do Proton Authenticator & 2FA or AstroManager by Sleeman have ads?
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