Bitwarden Authenticator vs Chronos Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bitwarden Authenticator
Generate secure verification codes for two-factor authentication on your device. This app supports any website or application using industry-standard TOTP, adding an extra layer of protection to your online accounts.
- Generate 2FA verification codes
- Supports TOTP standard
- Universal compatibility
- Simple, intuitive interface
- Adds extra layer of protection
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New from Bitwarden, provider of the password manager trusted by millions, Bitwarden Authenticator generates verification codes for two-factor authentication, ensuring your identity is verified when you log into accounts. Using industry-standards, Bitwarden Authenticator supports any website or application that uses TOTP. ADD AN EXTRA LAYER OF PROTECTION Generate verification codes to ensure your identity is verified, keeping your sensitive data out of reach of imposters. UNIVERSAL COMPATIBILITY Bitwarden Authenticator uses industry standard methods for verification code generation, so it will work with any website or application that utilizes time-based one-time passwords. EASY TO USE A simple, intuitive design and straightforward interface makes it easy to start incorporating authentication into your digital life Bitwarden empowers organizations to secure passwords, developer secrets, and passkeys. Visit Bitwarden.com to learn more about Bitwarden Password Manager, Bitwarden Secrets Manager and Bitwarden Passwordless.dev!
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.
- Open-source
- End-to-end encrypted token storage
- Optional iCloud backup and sync
- Token export and import
- Anonymous usage (no account required)
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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
Screenshots
Verdict
The clearest difference is review sentiment: Chronos Authenticator at 100% against Bitwarden Authenticator's 41%. Chronos Authenticator also leads on rating (5.0 vs 3.5) and update cadence (every 6 days vs fortnightly). Bitwarden Authenticator's advantage is ratings volume (95 vs 3) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Chronos Authenticator holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Bitwarden Authenticator has 95 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 41% of Bitwarden Authenticator's written reviews are positive against 100% of Chronos Authenticator's.
Bitwarden Authenticator ships an update fortnightly, Chronos Authenticator every 6 days. The most recent releases landed on September 28, 2026 and September 16, 2026 respectively.
| Parameter | Bitwarden Authenticator | Chronos Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (95 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 41.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 95 — better | 3 |
| Update frequency | Fortnightly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 71 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Bitwarden Inc | Joel-David Wong |
Customer experience
Bitwarden Authenticator
Chronos Authenticator
Bugs and requests
Bitwarden Authenticator
Reported bugs
3 issues- Search results showing placeholder codes
- Backup not restoring codes after device restore
- Crashes after app updates
Requested features
5 requests- Add icons for services
- Allow rearranging of entries
- Implement iCloud/cloud sync
- Add Apple Watch support
- Require biometric authentication on each app open
Chronos Authenticator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Bitwarden Authenticator
No in-app purchases
Chronos Authenticator
No in-app purchases
Questions
Is Bitwarden Authenticator free?
Is Chronos Authenticator free?
Which has better reviews, Bitwarden Authenticator or Chronos Authenticator?
Do Bitwarden Authenticator or Chronos Authenticator have ads?
Which is updated more often, Bitwarden Authenticator or Chronos Authenticator?
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