Which one is right for you?

Feitian ePass FIDO A4B vs. Thetis FIDO2

Which one is better in 2025? In-depth comparison of Feitian ePass FIDO A4B and Thetis FIDO2

Feitian ePass FIDO A4B and Thetis FIDO2 are two popular security keys with different costs, ease of use, and compatibility.

We've compared Feitian ePass FIDO A4B head-to-head with Thetis FIDO2 to help you decide which is best for your needs.

	Select a product	Select a product
	Feitian ePass FIDO A4B ₹2,899 Save ₹500	Thetis FIDO2 ₹2,899 Save ₹500
Interfaces	USB-A	USB-A
Features	Fido U2F Fido2 OATH HOTP	Fido U2F
Compatible With	Android Linux Windows macOS	Android Linux Windows iOS macOS