If you bill hourly — or even if you don't — you need to know where your hours go. Freelancers who track time consistently bill more, price better and waste less. This guide compares the best time tracking tools in 2026: free tiers, key features, and the habits that make tracking stick.
| Tool | Free tier | Key features | Best for |
|---|---|---|---|
| Toggl Track | 5 users, unlimited tracking | 1-click timer, idle detection, 100+ integrations, reports | Most freelancers — the safe default |
| Clockify | Unlimited tracking, unlimited users | Timesheets, projects, simple invoicing, kiosk | Budget-first solo freelancers |
| Harvest | 1 client, 2 projects | Invoicing, expenses, budgets, beautiful reports | Hourly freelancers who also invoice |
| Timely | 14-day trial (paid) | Automatic AI time mapping, privacy controls | Anyone who never remembers to click start |
| Tick | Free for 1 user (limited) | Simple timers, PM integrations | Project-management-first workflows |
| RescueTime | Free lite version | Automatic distraction analysis, focus sessions | Productivity audits, not client billing |
| Feature | Toggl Track | Clockify | Harvest |
|---|---|---|---|
| Unlimited time entries | Yes | Yes | No (1 client only) |
| Projects & clients | Unlimited | Unlimited | 2 projects |
| Reports | Basic | Basic | Full |
| Invoicing | No | Simple | Yes |
| Integrations | 100+ | 80+ | Yes |
Use the day counter to compute project deadlines and the time zone converter before scheduling calls with international clients. Both are free and work in your browser.
In summary: start free with Toggl Track or Clockify, build the one-click + daily-review habit, export tracked time straight into invoices, and review your hours weekly. Six months of tracking will tell you exactly what to charge — and what to stop doing.