Can't Login to Cliq via SAML Redirect (iOS)

Can't Login to Cliq via SAML Redirect (iOS)

We were able to successfully get SAML working with Azure AD on PC and Mac. Unfortunately, when we try and login via the Cliq app in iOS, the redirect fails with:

AADST90015: Requested query string is too long.

I've tested this with Zoho Mail just for kicks, and the passthrough works fine. The issue seems relegated to Cliq. Has anyone else had this issue?