Thetis review
Updated October 12, 2026 · ShieldCue Editorial Team
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Our verdict
Thetis ties account safety to a small aluminum key you plug in or tap, which removes passwords but means the device must stay with you. The brand covers shoppers, employees and developers who want phishing resistant passkey logins across hundreds of supported email, shopping and work services.
Key facts
- Best for
- Passwordless hardware login for everyday online accounts
- Money-back period
- 14 days (Source, checked September 26, 2026)
- Jurisdiction
- US (Source, checked September 26, 2026)
- Protocols
- FIDO2, FIDO U2F, WebAuthn, CTAP2, TOTP, HOTP (Source, checked September 26, 2026)
- Platforms
- Windows, MacOS, Linux, iOS, Android, Chrome (Source, checked September 26, 2026)
- Owner
- Razzo Tech Corporation (Source, checked September 26, 2026)
- Legal entity
- Razzo Tech Corporation (Source, checked September 26, 2026)
- Headquarters
- United States (Source, checked September 26, 2026)
- Founded
- 2014 (Source, checked September 26, 2026)
- Support channels
- Email, Help-centre (Source, checked September 26, 2026)
- Audience
- Business
- Pricing model
- Budget
- Official website
- thetis.io
Security keys
- Price
- $24.99 to $49.99 (Source, checked September 26, 2026)
- Protocols
- FIDO2, FIDO U2F, WebAuthn, CTAP2, TOTP, HOTP (Source, checked September 26, 2026)
- Connectors
- USB-a, USB-c, NFC (Source, checked September 26, 2026)
- Biometric unlock
- Yes (Source, checked September 26, 2026)
- Legal entity
- Razzo Tech Corporation (Source, checked September 26, 2026)
- Headquarters
- United States (Source, checked September 26, 2026)
- Founded
- 2014 (Source, checked September 26, 2026)
- Support channels
- Email, Help-centre (Source, checked September 26, 2026)
- Pricing model
- Budget
Apps and profiles
- Get the app
- App StoreGoogle Play
Pros and cons
Pros
- Pro Series combines USB A, USB C and NFC in one key
- Fingerprint option adds biometric touch to FIDO2 passkey logins
- Durable aluminum casing resists drops, bumps and scratches daily
- Unique cryptographic keys enable phishing resistant multifactor authentication
Cons
- Protection depends on carrying and connecting a physical key device
- Coverage applies only to online services that support FIDO standards
- Narrow catalog focuses on authentication hardware rather than wider tools
Who it suits
- Shoppers securing email, shopping and financial accounts
- Business teams replacing passwords with phishing resistant logins
- Developers protecting repositories and smart contracts
Who should look elsewhere
- People seeking software only protection without hardware
How Thetis compares
Frequently asked questions
What does Thetis sell?+
Thetis sells physical FIDO2 security keys that enable passwordless and phishing resistant logins. The devices plug into computers or tap by contactless connection for authentication. They help secure everyday logins with unique cryptographic keys instead of passwords.
What product ranges does Thetis offer?+
Thetis offers standard FIDO2 keys, contactless keys and fingerprint BioFP models for passkey use. The Pro Series combines USB A, USB C and NFC in one device. The range supports individual, business and developer authentication needs.
Which standards do Thetis keys support?+
The keys use the FIDO2 standard and support related authentication protocols for multifactor logins. A certified secure chip protects device integrity during authentication. Compatibility covers hundreds of supported web services and future modern technology deployments.
How are Thetis keys built for daily use?+
Thetis keys use durable aluminum alloy casings that resist drops, bumps and scratches. The small form stays connected to a computer and remains ready for login. Contactless models allow tap authentication where supported for everyday use.
Which platforms does Thetis support?+
Thetis supports Windows, MacOS, Linux, iOS, Android, Chrome. (Source, checked September 26, 2026)
Which company operates Thetis?+
Thetis is operated by Razzo Tech Corporation. (Source, checked September 26, 2026)
Where is Thetis based?+
Thetis is based in United States. (Source, checked September 26, 2026)
When was Thetis founded?+
Thetis was founded in 2014. (Source, checked September 26, 2026)
Sources
- thetis.io checked September 26, 2026
Backs: Audience, Connectors, Headquarters, Legal entity, Owner
“FIDO2 devices protect businesses by providing strong, phishing-resistant authentication”
- thetis.io/collections/all-keys checked September 26, 2026
Backs: Biometric unlock, Pricing model, Price
“Thetis FIDO2 BioFP Security Key - Passkey, USB-A, Fingerprint ... TOTP/HOTP and Eliminate PIN with Fingerprint”
- thetis.io/pages/about-thetis checked September 26, 2026
Backs: Founded
“Born in Silicon Valley, Thetis was founded with the vision to create invincible security solutions”
- thetis.io/policies/refund-policy checked September 26, 2026
Backs: Money-back period, Support channels
“we offer a 14-day return policy. You have 14 days from the date you receive your item to request a return.”
- thetis.io/policies/terms-of-service checked September 26, 2026
Backs: Jurisdiction
“shall be governed by and construed in accordance with the laws of United States.”
- thetis.io/products/thetis-nano-a-fido2-security-key-devic... checked September 26, 2026
Backs: Platforms, Protocols
“Compatible with USB-A ports on Windows, macOS, and Linux computers.”
Compiled from 6 source pages, checked October 13, 2026. We did not open an account.
Not confirmed yet: Monthly price, Long-term plan price, Devices, Server countries, No-logs audit.