1. Home
  2. WebAuthn
  3. Supporting U2F or FIDO2 Security Keys on iOS or iPadOS
  4. Security Key Compatibility

    Security Key Compatibility

    iOS 13.3+ opens up a large pool of supported security keys when using the Safari browser, SFSafariViewController or ASWebAuthenticationSession:

    Table 1: Safari Browser, SFSafariViewController/ASWebAuthenticationSession + Compatible U2F/FIDO2 Security Keys

    Compatible U2F/FIDO2 Security Keys that currently work with iOS/iPadOS 13.3+ devices using Safari browser and apps using SFSafariViewController or ASWebAuthenticationSession

    iPhone (7 and newer) running iOS 13.3+ (with Lightning and NFC) iPad running iPadOS 13.3+ (with Lightning) iPad running iPadOS 13.3+ (with USB-C)

    YubiKey 5Ci

    Lightning

    Lightning

    USB-C

    YubiKey 5 NFC

    USB-A, NFC

    USB-A

    USB-A

    YubiKey 5C

    -

    -

    USB-C

    YubiKey 5C NFC

    NFC

    -

    USB-C

    Security Key by Yubico

    USB-A

    USB-A

    USB-A

    Security Key by Yubico (NFC)

    USB-A, NFC

    USB-A

    USB-A

    YubiKey 5 Nano

    USB-A

    USB-A

    USB-A

    YubiKey NEO

    USB-A, NFC

    USB-A

    USB-A

    YubiKey 4

    USB-A

    USB-A

    USB-A
    Note

    USB-A is compatible when used with an official Apple or high-end USB adapter.

    Table 2: Yubico Mobile iOS SDK + Compatible U2F/FIDO2 Security Keys

    Compatible U2F/FIDO2 Security Keys that currently work with iOS/iPadOS apps using the Yubico Mobile iOS SDK

    iPhone (7 and newer) running iOS 11+ (with Lightning and NFC) iPad running iPadOS 13+ (with Lightning) iPad running iPadOS 13+ (with USB-C)

    YubiKey 5Ci

    Lightning

    Lightning

    -

    YubiKey 5 NFC

    NFC

    -

    -

    YubiKey 5C NFC

    NFC

    -

    -

    Security Key by Yubico (NFC)

    NFC

    -

    -

    Next: Known Issues (when using Safari)