Which one is right for you?

Feitian ePass FIDO vs. Thetis Pro FIDO2

Which one is better in 2025? In-depth comparison of Feitian ePass FIDO and Thetis Pro FIDO2

Feitian ePass FIDO and Thetis Pro FIDO2 are two popular security keys with different costs, ease of use, and compatibility.

We've compared Feitian ePass FIDO head-to-head with Thetis Pro FIDO2 to help you decide which is best for your needs.

	Select a product	Select a product
	K10 A4B K28 K39 Feitian ePass FIDO	Thetis Pro FIDO2
Connectors	USB-A USB-C	USB-A USB-C
Wireless	—	NFC
Features	Fido U2F Fido2 OATH HOTP OATH TOTP	Fido U2F
Compatible With	Android Linux Windows macOS	Android Linux Windows iOS macOS