Comparison

SecurityKey NFC vs Thetis Authenticator

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

Head to head
About

SecurityKey NFC

Manage your NFC device-bound Passkey with this app. Securely control your PIN code, fingerprint enrollment, and sign-in data for enhanced digital protection. Access your credentials from anywhere, anytime.

Highlights
  • PIN code management
  • Fingerprint enrollment
  • Sign-in data organization
  • NFC device integration
  • Secure credential management
Read full description

Introduce our “SecurityKey NFC” App - your all-in-one solution for NFC device-bound Passkey management! Ultimate Security at Your Fingertips: Experience the next level of protection with our “SecurityKey NFC” App, empowering you to manage your PIN code, Fingerprint, and Sign-in data (credential) in ATKey.Card NFC effortlessly. Take control of your digital security like never before! Key Features: 1. PIN Code Management: Set, change, and personalize your PIN policy with ease. Our intuitive interface ensures a smooth and user-friendly experience. 2. Fingerprint: You can enroll, rename, and edit your fingerprints in a simple and direct way. Unlock the power of your fingerprint! 3. Sign-in Data Central: Organize your sign-in data (credentials) securely within the app. Say goodbye to the hassle of managing passwords separately – everything you need is now in one place! Anywhere, Anytime Security: Our “SecurityKey NFC” App effortlessly integrate the management flow of ATKey.Card NFC with your favorite platforms. Whether you're at home, in the office, or on the go, our Security Key App ensures that your NFC device-bound Passkey is under control at all times. Feel confident knowing that your digital identity is in safe hands. Download Now and Fortify Your Digital World! Don't compromise on security – embrace the future with the “SecurityKey NFC” App. Download now and take the first step towards a safer, more secure digital experience. Your fortress of digital protection is just a click away!

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.

Screenshots

SecurityKey NFC2 screens
Thetis Authenticator4 screens

Verdict

The call

The clearest difference is rating: SecurityKey NFC at 5.0 against Thetis Authenticator's 3.5. SecurityKey NFC also leads on update cadence (every 3 weeks vs every 9 months). Thetis Authenticator's advantage is ratings volume (4 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SecurityKey NFC holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

UpkeepUpdate frequency

SecurityKey NFC ships an update every 3 weeks, Thetis Authenticator every 9 months. The most recent releases landed on September 17, 2026 and June 1, 2026 respectively.

Scorecard3 real differences · 7 level
SecurityKey NFC versus Thetis Authenticator: the parameters behind the verdict, then further details
ParameterSecurityKey NFCThetis Authenticator
PriceFreeFree
Rating5.0 (1 ratings) — better3.5 (4 ratings)
Positive reviews—60.0% of reviews
Number of ratings14 — better
Update frequencyEvery 3 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.013.0 — better
Further details — not scored
Size59 MB3 MB
Age rating4+4+
DeveloperAuthenTrend Technology Inc.Razzo Tech Corporation

Customer experience

SecurityKey NFC

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Thetis Authenticator

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews5 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

In-app purchases

None

SecurityKey NFC

No in-app purchases

None

Thetis Authenticator

No in-app purchases

Questions

Is SecurityKey NFC free?
SecurityKey NFC is free to download, with no in-app purchases.
Is Thetis Authenticator free?
Thetis Authenticator is free to download, with no in-app purchases.
Which has better reviews, SecurityKey NFC or Thetis Authenticator?
SecurityKey NFC is rated higher. SecurityKey NFC averages 5.0 out of 5 from 1 ratings, while Thetis Authenticator averages 3.5 from 4 ratings.
Do SecurityKey NFC or Thetis Authenticator have ads?
Neither SecurityKey NFC nor Thetis Authenticator shows ads.
Which is updated more often, SecurityKey NFC or Thetis Authenticator?
SecurityKey NFC ships an update every 3 weeks, and Thetis Authenticator every 9 months. Most recently, SecurityKey NFC was updated on September 17, 2026 and Thetis Authenticator on June 1, 2026.

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