Comparison

Proton Authenticator vs DEEPER V1

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

DEEPER V1

Features
Read full description

Deeper is a focused, minimal app designed to help you slow down, reflect, and build meaningful habits through intentional daily use. In a world full of noise, Deeper provides a calm space to engage with your thoughts, track consistency, and stay aligned with what matters most. The experience is intentionally simple — no clutter, no overwhelm, just depth. Features • Clean, distraction-free interface • Designed for daily reflection and consistency • Simple interactions that encourage focus • Built for clarity, not endless scrolling support at sales@resistarmour.com Who It’s For Deeper is for anyone who wants to be more intentional with their time, thoughts, and personal growth — without complexity or pressure. Whether you’re building a habit, reflecting daily, or simply creating space to think, Deeper helps you go deeper.

Screenshots

Proton Authenticator4 screens
DEEPER V13 screens

Verdict

The call

The clearest difference is price: Proton Authenticator at Free against DEEPER V1's $3.99. Proton Authenticator also leads on iOS requirement (17.0 vs 26.0). On 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

CostPrice · In-app purchases · Ads · Monetization

Proton Authenticator is free to download; DEEPER V1 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
Proton Authenticator versus DEEPER V1: the parameters behind the verdict, then further details
ParameterProton AuthenticatorDEEPER V1
PriceFree — better$3.99
Rating4.4 (242 ratings) — better—
Positive reviews55.7% of reviews—
Number of ratings242 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.0 — better26.0
Further details — not scored
Size119 MB4 MB
Age rating4+4+
DeveloperProton AGRandall Dahl

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

DEEPER V1

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Proton Authenticator

No in-app purchases

None

DEEPER V1

No in-app purchases

Questions

Is Proton Authenticator free?
Proton Authenticator is free to download, with no in-app purchases.
Is DEEPER V1 free?
DEEPER V1 costs $3.99, with no in-app purchases.
Do Proton Authenticator or DEEPER V1 have ads?
Neither Proton Authenticator nor DEEPER V1 shows ads.

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