Which one is right for you?

Feitian ePass FIDO vs. Thetis BLE U2F

Which one is better in 2025? In-depth comparison of Feitian ePass FIDO and Thetis BLE U2F

Feitian ePass FIDO and Thetis BLE U2F are two popular security keys with different costs, ease of use, and compatibility.

We've compared Feitian ePass FIDO head-to-head with Thetis BLE U2F to help you decide which is best for your needs.

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