Yes, both AccountSight and Billbooks offer a Free Trial.
AccountSight is designed for Large Enterprises, Medium Business and Small Business.
Billbooks is designed for Individuals, Freelancers, Medium Business and Small Business.
The starting price of AccountSight begins at $8/User/Month, while pricing details for Billbooks are unavailable.
Some top alternatives to AccountSight includes TimeTracker App, Hubstaff, Timesheets.com, Clockify, TimeTrack, Time Track Bill, Timesheet, Billable, OfficeTimer and Time Tracker by eBillity.
Some top alternatives to Billbooks includes Invoiced, InvoiceBerry, ReliaBills, Invoice2go, BillingPlatform, BillQuick, Billin, InvoiceApp, Stripe Invoicing and Billogram.