What is a billable hours?
The amount of time spent working on a project that can be directly charged to a client according to an agreed-upon hourly rate.
Who uses one?
Agencies and teams billing and tracking hours
What does it cost?
Pricing varies. The cheapest provider in our Top 11 starts around $9/mo. See the cheapest providers ranked.
How do I pick one?
Read the full methodology for our 9.4-point scoring framework, then look at the canonical The 11 Best Time Tracking Software. If you want a slice of the ranking by price, fit, or compliance, jump to: cheapest · highest-rated · fastest onboarding.
Source: Top 11 The 11 Best Time Tracking Software, verified June 4, 2026.