Harvest
Best for Invoicing and client billingWebsite: https://www.getharvest.com/
Best for: Invoicing and client billing
Starting price: $9 per user/month (billed annually)
Free plan: Yes
Pros: One-click timer with invoicing built in; team reporting shows capacity and utilization
Cons: Usage fees apply to extra invoices, projects, clients and tasks; free plan covers only 1 seat and 2 projects
Harvest pairs a one-click timer with invoicing, so consultants log hours against a client project and turn those hours into an invoice without leaving the tool. Teams starts at $9 per seat per month on annual billing, or $11 month to month, while Enterprise starts at $14 and adds profitability reporting, timesheet approvals, an activity log and single sign-on.
The catch is the usage layer: extra invoices, projects, clients and tasks can carry usage fees on top of the seat price, and no rate is published, so ask for the full picture before signing. The free plan covers one seat and two projects.