Comparison

Chronos Authenticator vs Nottana Password Manager

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

Head to head
About

Chronos Authenticator

This open-source app provides secure two-factor authentication using time-based and counter-based methods. It offers end-to-end encryption for token data and optional iCloud backup and sync for convenience. Easily import and export your authentication tokens.

Highlights
  • Open-source
  • End-to-end encrypted token storage
  • Optional iCloud backup and sync
  • Token export and import
  • Anonymous usage (no account required)
Read full description

Chronos is an open-source two-factor authentication (2FA) app designed to deliver robust security and reliable backup features. It supports both time-based (TOTP) and counter-based (HOTP) authentication methods. Features: • Open-source • End-to-end encrypted: Only encrypted token data is stored on the device and in iCloud • Backup & Sync (optional): Effortlessly backup and sync your data with iCloud • Export Tokens: Easily export your tokens for backup or transfer • Import Tokens: Easily import your tokens from other authenticators • Anonymous: No telemetry & app account required

About

Nottana Password Manager

Securely store passwords, contacts, and personal information with end-to-end encryption. This decentralized platform gives you control over your data, offering features like autofill, 2FA, and secure sharing. Experience true data ownership in a privacy-focused digital world.

Highlights
  • End-to-end encrypted vault
  • Password & Passkey AutoFill
  • Built-in Two-Factor Authentication (2FA)
  • Password generator
  • Secure notes & file storage
  • Cross-platform sync
  • Secure password sharing
Features
Read full description

At Nottana, we believe privacy is a human right, not a privilege. Our decentralized storage data management platform empowers individuals to store passwords, contacts, and personal information securely, without reliance on centralized servers or corporations. Through encryption, distributed infrastructure, and self-sovereign identity design, Nottana ensures users remain in control of their data. As digital trust becomes the new global currency, we’re pioneering solutions that put people, not platforms, at the center of their digital privacy. Take control of your digital life with Nottana. Experience data ownership and privacy in a world where your information belongs to you and not corporations.
 Key features: * End-to-end encrypted vault * Password & Passkey AutoFill provider * Built-in Two-Factor Authentication (2FA) * Password generator * Secure notes & file storage * Credit card & document scanning * Cross-platform sync * Secure password sharing * Contact management & profile sharing Built for privacy, designed for speed, and always under your control. Free trial available; subscription required after trial. Privacy Policy: https://app.nottana.com/privacy-policy Terms of Use (EULA): https://app.nottana.com/terms-of-service

Screenshots

Chronos Authenticator4 screens
Nottana Password Manager4 screens

Verdict

The call

The clearest difference is in-app purchases: Chronos Authenticator at none against Nottana Password Manager's 4. Nottana Password Manager's advantage is device support (3 vs 1) and ratings volume (9 vs 3). On price, rating, review sentiment and update cadence 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. Nottana Password Manager sells 4 in-app purchases, starting at $4.00 per month. Chronos Authenticator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Chronos Authenticator against 5.0 for Nottana Password Manager. Both are backed by a comparable volume of ratings — 3 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Chronos Authenticator ships an update every 6 days, Nottana Password Manager every 4 days. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
Chronos Authenticator versus Nottana Password Manager: the parameters behind the verdict, then further details
ParameterChronos AuthenticatorNottana Password Manager
PriceFreeFree
Rating5.0 (3 ratings)5.0 (9 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings39 — better
Update frequencyEvery 6 daysEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size11 MB22 MB
Age rating4+4+
DeveloperJoel-David WongNottana LLC

Customer experience

Chronos Authenticator

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Nottana Password Manager

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Chronos Authenticator

No in-app purchases

4 purchases

Nottana Password Manager

Subscriptions4
  • Nottana Personal – Monthly$4.001 Month
  • Nottana Family – Monthly$6.901 Month
  • Nottana Personal – Yearly$36.001 Year
Show 1 more
  • Nottana Family – Yearly$58.901 Year

Questions

Is Chronos Authenticator free?
Chronos Authenticator is free to download, with no in-app purchases.
Is Nottana Password Manager free?
Nottana Password Manager is free to download, with in-app purchases available.
Which has better reviews, Chronos Authenticator or Nottana Password Manager?
Chronos Authenticator and Nottana Password Manager are both rated 5.0 out of 5 on the App Store, from 3 and 9 ratings respectively.
Do Chronos Authenticator or Nottana Password Manager have ads?
Neither Chronos Authenticator nor Nottana Password Manager shows ads.
Which is updated more often, Chronos Authenticator or Nottana Password Manager?
Chronos Authenticator ships an update every 6 days, and Nottana Password Manager every 4 days. Most recently, Chronos Authenticator was updated on October 20, 2026 and Nottana Password Manager on October 17, 2026.

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