Comparison

Notakey Authenticator vs TimeKey

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

Head to head
About

Notakey Authenticator

Features
Read full description

Typical uses cases include: - VPN & workstation login protection; - mobile and web transaction approval for finance companies; - legal document signing; - passwordless web login. Compared to other solutions Notakey Authenticator is: - Lighting fast - uses push notifications and there is no need for manual code retyping; - Extremely secure - instead of shared secrets uses Public Key cryptography, where private key is generated and protected by phone's hardware; - Private & legally binding - user identification information is distributed on the phones. Previously only this has been available on eID card. Check out https://demobank.notakey.com/registration for possible use cases.

About

TimeKey

This app generates secure Time-based One-Time Passwords (TOTP) for two-factor authentication, protecting your online accounts. It offers local data storage, biometric security, and an intuitive interface for easy account management and quick code access. No internet connection is needed for code generation.

Highlights
  • Generate secure TOTP codes
  • Import accounts via QR code or manual entry
  • Organize accounts with categories and favorites
  • Biometric authentication (Face ID/Touch ID)
  • Passcode protection
  • Dark mode support
  • Export QR codes for backup
Features
Read full description

TimeKey is a secure and easy-to-use TOTP (Time-based One-Time Password) authenticator app that helps protect your online accounts with two-factor authentication. KEY FEATURES: • Generate secure TOTP codes for two-factor authentication • Import accounts by scanning QR codes or entering details manually • Organize accounts with custom categories and favorites • Biometric authentication (Face ID/Touch ID) for added security • Passcode protection for app access • Dark mode support • Export QR codes for backup purposes • No internet connection required for code generation SECURITY FIRST: • All data is stored locally on your device • Biometric authentication support • Passcode protection • No cloud sync to prevent data breaches EASY TO USE: • Clean and intuitive interface • Quick search functionality • One-tap code copying • Custom categories for organization • Favorite accounts for quick access COMPATIBILITY: • Works with all services that support TOTP/RFC 6238 • Compatible with Google Authenticator, Authy, and other authenticator apps • Supports various hash algorithms (SHA1, SHA256, SHA512) • Customizable code length and time periods TimeKey is perfect for securing your accounts on services like Google, Facebook, Twitter, GitHub, Dropbox, and many more. Keep your digital life secure with TimeKey!

Screenshots

Notakey Authenticator4 screens
TimeKey3 screens

Verdict

The call

The clearest difference is in-app purchases: Notakey Authenticator at none against TimeKey's 2. Notakey Authenticator also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. TimeKey sells 2 in-app purchases, starting at $1.49 per month. Notakey Authenticator asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 7, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 7 level
Notakey Authenticator versus TimeKey: the parameters behind the verdict, then further details
ParameterNotakey AuthenticatorTimeKey
PriceFreeFree
Rating—3.7 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size89 MB55 MB
Age rating4+4+
DeveloperNotakey LatviaNaoki Chiba

In-app purchases

None

Notakey Authenticator

No in-app purchases

2 purchases

TimeKey

Subscriptions2
  • Premium 1 month$1.491 Month
  • Premium 1 year$13.491 Year

Questions

Is Notakey Authenticator free?
Notakey Authenticator is free to download, with no in-app purchases.
Is TimeKey free?
TimeKey is free to download, with in-app purchases available.
Do Notakey Authenticator or TimeKey have ads?
TimeKey shows ads; Notakey Authenticator does not.
Which is updated more often, Notakey Authenticator or TimeKey?
Notakey Authenticator ships an update every 6 weeks, and TimeKey every 6 weeks. Most recently, Notakey Authenticator was updated on September 7, 2026 and TimeKey on September 15, 2026.

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