Security keys

Thetis FIDO2 Security Key vs. YubiKey 5Ci

Which one is better in 2025? In-depth comparison of Thetis FIDO2 Security Key and YubiKey 5Ci

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

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

	Select a product	Select a product
	Thetis FIDO2 Security Key ₹2,899 Save ₹500	YubiKey 5Ci ₹10,399 Save ₹500 2
Warranty	—	1 year
Interfaces	USB-A	Lightning USB-C
Features	Fido U2F	Fido U2F
Compatible With	Android Linux Windows iOS macOS	Android Linux Windows iOS macOS
Desktop	—	Yubico Authenticator
iOS	—	Yubico Authenticator
Android	—	Yubico Authenticator