Yes, both Helix and DID offer a Free Trial.
Helix is designed for Medium Business and Small Business.
DID is designed for Large Enterprises, Medium Business and Small Business.
The starting price of DID begins at $29/Month, while pricing details for Helix are unavailable.
Some top alternatives to Helix includes SailPoint IdentityNow, PeoplePlatform, Oracle Identity Management, SailPoint IdentityIQ, ForgeRock Identity Platform, AWS IAM, One Identity, Ping Identity, Teamstack and Frontegg.
Some top alternatives to DID includes AWS IAM, Ping Intelligent Identity, iDenfy, Ping Identity, Magic, Teamstack, Frontegg, Idemeum, Vault Vision, SAASPASS and OwnID.