Yes, both Parabola and Hevo offer a Free Trial.
Parabola is designed for Medium Business and Small Business.
Hevo is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Parabola Starts at $80/month whereas for Hevo Starts at $149/Month when Billed Yearly.
Some top alternatives to Parabola includes CircleCI, Etlworks Integrator, Matillion ETL, Fivetran, ETL Framework, Datagaps ETL Validator, Etleap, Optimus Mine, ETLrobot and Alloy Automation.
Some top alternatives to Hevo includes Talend Cloud Data Integration, Etlworks Integrator, Stitch, Matillion ETL, Fivetran, Airbyte, Datagaps ETL Validator, Etleap, ETLrobot and Datos Intelligence.