Yes, both Quickbooks and Intervals offer a Free Trial.
Quickbooks is designed for Individuals, Freelancers, Medium Business and Small Business.
Intervals is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of Intervals begins at $29/Month, while pricing details for Quickbooks are unavailable.
Some top alternatives to Quickbooks includes Xero, Freshbooks, Sage Accounting (Sage One), Zoho Books, easybook.io, QuickFile, AccountingSuite, Sage Business Cloud Accounting, Wave and Sage 50cloud Accounting.
Some top alternatives to Intervals includes Smartsheet, Miro, Process Street, Wrike, Notion, TimeTracker App, Tick, TimeTrack, Time Track Bill, TimeControl, Track My Work, Teamwork, ProjectManager.com, ProWorkflow, Quick Base, ClickUp and TaskBlast.