Yes, both KiSSFLOW and K2 offer a Free Trial.
KiSSFLOW is designed for Large Enterprises, Medium Business and Small Business.
K2 is designed for Large Enterprises, Medium Business and Small Business.
Pricing for KiSSFLOW Starts at $9.90/User/Month when Billed Yearly whereas for K2 Starts at $2,000/Month.
Some top alternatives to KiSSFLOW includes GoodFlow, VisionFlow, Zoho Flow, ProcessMaker, Pipefy, K2, Flowingly, BPMapp by 500apps, Kissflow Procurement Cloud and Cflow.
Some top alternatives to K2 includes Nintex, ProcessMaker, BP Logix BPMS, Nintex Promapp, IBM Business Automation Workflow, ProcessPlan, Bautomate, Bizagi, Tibco BPM Enterprise and BPMapp by 500apps.