Thetis FIDO2 vs. Yubico YubiKey 5Ci

Which one is better in 2026? In-depth comparison of Thetis FIDO2 and Yubico YubiKey 5Ci

Thetis FIDO2 and Yubico YubiKey 5Ci are two popular security keys with different costs, ease of use, and compatibility.

We've compared Thetis FIDO2 head-to-head with Yubico YubiKey 5Ci to help you decide which is best for your needs.

	Select a product	Select a product
	Thetis FIDO2 ₹2,299 Save ₹1,000 1	Yubico YubiKey 5Ci ₹7,489 Save ₹1,000 2
Warranty	—	1 year
Connectors	USB-A	Lightning USB-C
Features	Fido U2F	Fido U2F OpenPGP
Compatible With	Android Linux Windows iOS macOS	Android Linux Windows iOS macOS
Desktop	—	Yubico Authenticator
iOS	—	Yubico Authenticator
Android	—	Yubico Authenticator