Haystack offers Free Trial, but Okay does not.
Okay is designed for and Large Enterprises.
Haystack is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Haystack begins at $25/User/Month, while pricing details for Okay are unavailable.
Some top alternatives to Okay includes ManageEngine Analytics Plus, Pinpoint, Swarmia, Easy Insight, InetSoft Style Scope, AppInsights, Haystack, Waydev, AnalyticsVerse and DevDynamics.
Some top alternatives to Haystack includes and undefined.