Comparison

Proton Authenticator vs Kuma

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

Kuma

Features
Read full description

Kuma Status — Are your systems healthy? Find out in under 3 seconds. Kuma Status is a premium mobile app built to monitor your public Uptime Kuma status pages. No administration, no complexity — just the essentials to know at a glance whether your services are up. WHY KUMA STATUS? • Direct & private — Your phone connects straight to your Uptime Kuma instances. No intermediate servers, no telemetry, no data collection. • Credential-free — The app only accesses public status page APIs. No admin passwords or tokens are ever stored on your device. • Home screen widget — A beautiful Material 3 widget shows your favorite instance's real-time health and last check time. • Smart alerts — Get a local notification the moment a service goes down or recovers, including the outage duration. • Offline support — The last known state stays visible even without a connection, with a clear warning banner. • Self-signed certificates — Works with local instances using a custom TLS certificate, with latency measurement. • Demo mode — Pre-loaded simulated environments (Homelab and Production) to try the app instantly. BUILT FOR HOMELABBERS AND TEAMS Whether you run a NAS at home or a fleet of production servers, Kuma Status gives you peace of mind at a glance. Kuma Status is a third-party client and is not affiliated with the official Uptime Kuma project.

Screenshots

Proton Authenticator4 screens
Kuma4 screens

Verdict

The call

The clearest difference is in-app purchases: Proton Authenticator at none against Kuma's 1. Proton Authenticator also leads on ads (none vs shown). Kuma's advantage is iOS requirement (14.0 vs 17.0). On price, update cadence 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

Both are free to download. Kuma sells 1 one-off in-app purchase. Proton Authenticator asks for nothing beyond the download.

UpkeepUpdate frequency

Proton Authenticator ships an update weekly, Kuma every 8 days. The most recent releases landed on October 2, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 7 level
Proton Authenticator versus Kuma: the parameters behind the verdict, then further details
ParameterProton AuthenticatorKuma
PriceFreeFree
Rating4.4 (242 ratings) — better—
Positive reviews55.8% of reviews—
Number of ratings242 — better—
Update frequencyWeekly — betterEvery 8 days
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.014.0 — better
Further details — not scored
Size119 MB37 MB
Age rating4+4+
DeveloperProton AGTheo Vankoekelberg

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

Kuma

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Proton Authenticator

No in-app purchases

1 purchases

Kuma

One-time1
  • Premium Lifetime$3.99

Questions

Is Proton Authenticator free?
Proton Authenticator is free to download, with no in-app purchases.
Is Kuma free?
Kuma is free to download, with in-app purchases available.
Do Proton Authenticator or Kuma have ads?
Kuma shows ads; Proton Authenticator does not.
Which is updated more often, Proton Authenticator or Kuma?
Proton Authenticator ships an update weekly, and Kuma every 8 days. Most recently, Proton Authenticator was updated on October 2, 2026 and Kuma on September 18, 2026.

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