Time tracking tools help you understand where your hours go — whether for client billing, project estimates, or personal productivity. The best ones stay out of your way: a one-click timer, clean reports, and integrations with where you already work.

The market splits roughly into three categories: manual timers (Toggl, Clockify) where you start and stop a clock; automatic trackers (RescueTime, Timely) that run in the background; and integrated trackers (Everhour, Harvest) that embed into your project management tool. Each approach has trade-offs around accuracy, friction, and privacy.

For most teams, the choice comes down to: how much friction are you willing to accept for accuracy? Manual timers are more accurate for billing but require discipline. Automatic trackers capture everything but need review. Integrated trackers add zero friction but only track work that happens in one tool.

All time tracking tools

1
Toggl Track Free tier

Simple time tracking for freelancers and teams with one-click timers and reporting.

Free for up to 5 users · Paid from $9/user/mo Freelancers and small teams who need simple, accurate time tracking
Time tracking Reporting Integrations Mobile app
2
Clockify Free

Free time tracking tool with unlimited users and projects.

Free Teams that need free time tracking without user limits
Time tracking Reporting Project management
3
Harvest Free tier

Time tracking and invoicing tool designed for professional services teams.

Free for 1 user, 2 projects · Paid from $10.80/user/mo Agencies and consultancies that need time tracking + invoicing in one tool
Time tracking Invoicing Expense tracking Project budgets
4
RescueTime Free tier

Automatic time tracking that runs in the background and categorizes how you spend your day.

14-day free trial · Paid from $12/mo Individuals who want to understand and improve their productivity habits
Automatic tracking Productivity scoring Focus sessions Distraction blocking
5

AI-powered automatic time tracking that logs your work without manual input.

Paid from $9/user/mo Teams that hate manual time tracking and want AI to handle it
AI time tracking Automatic capture Project budgets Team management
6
Everhour Free tier

Time tracking that lives inside your project management tool.

Free for up to 5 users · Paid from $8.50/user/mo Teams already using Asana, Jira, or Trello who want integrated time tracking
Time tracking PM integration Budgeting Reporting
7
Kimai Free Open Source

Open-source time tracking application that you can self-host.

Free (self-hosted) Teams that want full control over their time tracking data via self-hosting
Time tracking Self-hosting Multi-user Reporting
8
Hubstaff Free tier

Time tracking with screenshots, GPS tracking, and employee monitoring for remote teams.

Free for 1 user · Paid from $4.99/user/mo Remote teams and agencies that need accountability and proof of work
Time tracking Screenshots GPS tracking Payroll

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Frequently asked questions

What is the most accurate way to track time?
Manual timers with a start/stop button are the most accurate for billing purposes because they capture intentional work. Automatic trackers are better for understanding how you actually spend your day, including context switching and distractions. For client billing, use a manual timer. For productivity insights, use an automatic tracker.
Is time tracking legal for employees?
Time tracking itself is legal in most jurisdictions, but monitoring features like screenshots and keystroke logging have legal restrictions in many countries, particularly in the EU under GDPR. Employers should be transparent about what is tracked and why. Activity monitoring should be proportionate and employees should be informed.
Can time tracking tools replace project management tools?
Not really. Time tracking tools tell you how long things take, but they don't help you plan, prioritize, or coordinate work. Some tools like Harvest and Everhour bridge the gap with project budgets and reporting, but most teams still need a dedicated project management tool alongside their time tracker.

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