Comparison

Thetis Authenticator vs PassOff

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

Head to head
About

Thetis Authenticator

Manage your FIDO2 security keys for passwordless login and two-factor authentication. Supports NFC and Type-C connections for seamless integration across devices. Offers one-time password management for services not yet supporting FIDO2.

Highlights
  • FIDO2 passwordless login
  • Enhanced two-factor authentication
  • One-time password management
  • Optimized for iPad
  • NFC and Type-C compatibility
  • Cross-platform support
  • Phishing-resistant authentication
Read full description

The Thetis Authenticator App provides seamless management of your FIDO2 security keys, enabling passwordless login, two-factor authentication (2FA), and one-time password (OTP) management. Fully optimized for iPhone and iPad, the app supports NFC and Type-C connections, ensuring compatibility across all your devices. With full support for the FIDO2 security standards, Thetis Authenticator empowers you with fast and phishing-resistant authentication. Whether managing business or personal accounts, you can easily integrate Thetis FIDO2 into your daily workflow. Key Features: ●. FIDO2 Passwordless Login: Replace passwords with strong, FIDO2-based authentication for secure access across platforms. ●. Enhanced 2FA: Strengthen your account security with FIDO2-based two-factor authentication for supported services. ●. Complete OTP Management: Add and manage one-time passwords (OTP) for services that don’t support FIDO2. ●. Optimized for iPad: Manage your keys with ease on a larger screen, with full iPad optimization. ●. NFC and Type-C Compatibility: Effortlessly connect using NFC or Type-C for fast key setup. ●. Cross-Platform Support: Use Thetis FIDO2 for services like Google, Dropbox, Microsoft, AWS, and more. ●. Phishing-Resistant Authentication: Built on the FIDO2 standard, ensuring your accounts are protected. Simplify your security and manage your digital identity with ease using Thetis FIDO2.

About

PassOff

Features
Read full description

In an era of frequent data breaches, is storing your passwords in the cloud truly safe? PassOff is an offline password manager built on the principle of "Zero Trust." We believe that staying offline is the ultimate security. All your accounts, passwords, notes, and sensitive information are encrypted and stored only on your device. Nothing is ever uploaded to any server. [Key Features] - Truly Offline: The app operates without internet access, eliminating the risk of data leaks or interception. - Secure Encryption: Industry-standard encryption combined with FaceID/TouchID biometrics for dual protection. - Pure Experience: No ads, no distractions. Launch and access your data instantly. - Local Storage: You hold the keys. No cloud accounts, no third-party servers. - Organized: Flexible categories for passwords, cards, IDs, and secure notes. [About Permissions] To protect your privacy, this app is designed to run offline. The network permission is requested solely to communicate with the App Store for verifying your premium membership status. It is never used to transmit your personal data. [Pricing] We say no to subscriptions! Unlock the lifetime membership with a simple one-time purchase. Enjoy all premium features forever and support independent development. Secure your digital life today with PassOff.

Screenshots

Thetis Authenticator4 screens
PassOff4 screens

Verdict

The call

The clearest difference is in-app purchases: Thetis Authenticator at none against PassOff's 1. Thetis Authenticator also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.5). On price and ads 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. PassOff sells 1 one-off in-app purchase. Thetis Authenticator asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Thetis Authenticator versus PassOff: the parameters behind the verdict, then further details
ParameterThetis AuthenticatorPassOff
PriceFreeFree
Rating3.5 (4 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 9 months—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.5
Further details — not scored
Size3 MB2 MB
Age rating4+4+
DeveloperRazzo Tech Corporation军 沈

In-app purchases

None

Thetis Authenticator

No in-app purchases

1 purchases

PassOff

One-time1
  • Permanent Membership$0.99

Questions

Is Thetis Authenticator free?
Thetis Authenticator is free to download, with no in-app purchases.
Is PassOff free?
PassOff is free to download, with in-app purchases available.
Do Thetis Authenticator or PassOff have ads?
Neither Thetis Authenticator nor PassOff shows ads.

Other comparisons