Toggl Track is the default pick for most freelancers at ~$9/user/month; Harvest wins if you bill hourly and want timesheets to generate client invoices automatically at ~$12/month; Clockify covers everything else for free. The real danger isn't picking the wrong app — it's picking a powerful one you abandon under deadline pressure and replacing with a spreadsheet.
Quick Picks
- Toggl Track — best all-around tracker: fastest timer start, solid reports, free plan covers most solo needs
- Clockify — best completely free option; unlimited projects and users on the free tier, forever
- Harvest — best for hourly billing: tracked time flows directly into client invoices with no copy-paste step
- Timely — best for freelancers who forget to start timers; logs your activity automatically in the background
- RescueTime — best for passive productivity insight, not billable-hour logging
Comparison Table
| Tool | Best For | Free Plan | Starting Price | Standout |
|---|---|---|---|---|
| Toggl Track | General freelance time tracking | Yes (5-project cap) | ~$9/user/mo | Fastest timer start; strongest free reporting |
| Clockify | Budget-conscious freelancers | Yes (free forever) | Free | Unlimited projects, users, and entries |
| Harvest | Hourly billing + invoicing | Yes (2 projects only) | ~$12/mo | Time entries pre-fill client invoices |
| Timely | Automatic time capture | No (trial only) | ~$9/user/mo | AI logs activity; you review and approve |
| RescueTime | Passive productivity tracking | Yes | ~$6.50/mo | Runs silently; no manual entry ever |
Toggl Track
Best for: Freelancers who want a tracker that starts instantly and reports clearly — without requiring a billing workflow built into the same tool.
Starting a timer in Toggl takes one click from the browser extension, a widget tap on mobile, or a desktop keyboard shortcut. When you're mid-project and momentum matters, that zero-friction start is the feature. Reports filter by project, client, and tag; the weekly email summary lands automatically with a full hours breakdown. Data exports to CSV and PDF for any billing tool you already use.
The free plan caps at five projects — enough for most solo freelancers, tight if you juggle many clients simultaneously. Invoicing isn't built in, so you'll transfer totals into your billing software manually.
Pros:
- Fastest timer start available — browser extension, mobile widget, desktop shortcut
- Reporting filters by project, client, and tag; CSV and PDF export
- Weekly email summary requires zero setup
- Free plan works for most solo freelancers
Cons:
- No invoicing — export data to a separate billing tool
- Free plan capped at five projects
- Team features locked behind paid plans
Skip it if: You need tracked time to generate client invoices inside the same app. Harvest does that; Toggl doesn't.
Clockify
Best for: Freelancers who want solid time tracking with no monthly cost — and who won't outgrow the free plan even as they add clients.
The free plan includes unlimited projects, unlimited users, unlimited time entries, and basic reporting. That combination is genuinely unusual in this category. The interface is functional rather than polished — a step below Toggl — and the mobile app has had reported stability issues. If your workflow is track → export → invoice separately, Clockify handles the tracking half without charging anything.
Invoicing, payroll processing, and advanced reporting are paid add-ons. Once you need those, the free-plan value proposition weakens compared to Harvest's more cohesive paid offering.
Pros:
- Unlimited projects, users, and entries on the free plan — no hidden caps
- Available across web, desktop, mobile, and browser extension
- Basic reporting included at no cost
- Works for teams sharing a workspace
Cons:
- UI less refined than Toggl or Harvest
- Invoicing and advanced reporting require paid upgrades
- Mobile app stability complaints from some users
Skip it if: Your priority is a seamless time-to-invoice flow. Harvest is better built for that, even at its higher price.
Harvest
Best for: Freelancers who bill hourly and want one tool to handle tracking, project budgets, and client invoices — with no manual data transfer between steps.
The workflow Harvest is designed around: track time against a project at the agreed billable rate → mark entries as billable → generate an invoice that pre-fills with every unbilled hour. For clients on retainer or time-and-materials contracts, that timesheet-backed invoice is easier to defend than a flat amount — clients see exactly what they're paying for, line by line.
Budget tracking is a practical bonus: Harvest shows a real-time percentage of hours used against a project cap, so you can see scope creep developing before the project closes. It integrates with Asana, Basecamp, and Trello for teams already using those tools.
The free plan allows only two active projects — not workable for most active freelancers. Pricing is per seat, so adding subcontractors increases cost quickly.
Pros:
- Best time-to-invoice workflow of any tool here — tracked hours pre-fill invoices automatically
- Budget tracking flags projects approaching their hour limit in real time
- Integrates with Asana, Basecamp, and Trello
- Clean, professional interface
Cons:
- Free plan capped at two projects
- Per-seat pricing adds up when subcontractors are involved
- Overkill if you bill flat rates and don't need timesheet invoices
Skip it if: You work on fixed-price projects. The hourly billing pipeline is Harvest's core differentiator — without it, you're paying ~$12/month for a tracker Clockify does for free.
Timely
Best for: Freelancers who frequently forget to log time, or who want a complete record of exactly how computer hours were spent — not just the hours they remembered to track.
Rather than asking you to start and stop timers, Timely runs in the background and logs your activity: apps used, documents opened, URLs visited. At the end of the day, you review a timeline and drag items into your timesheet with one click. Users report capturing 30–40% more billable time with automatic logging than with manual entry — specifically the 15-minute tasks that never make it into a manual log.
The privacy trade-off is real. Timely logs everything on your device. If that's uncomfortable, or if you won't commit to reviewing the daily log consistently, the automatic capture doesn't benefit you. There's no free plan — only a trial period before paid tiers starting at ~$9/user/month.
Pros:
- Automatic activity capture removes the need to remember to track
- Full timeline view of the workday for accurate retrospective review
- Good for freelancers who switch between many tasks throughout the day
- Team scheduling features included
Cons:
- Logs all device activity — a meaningful privacy consideration
- Requires daily log review to be useful; it is not a hands-off solution
- Higher effective cost relative to basic trackers for the core tracking function
Skip it if: You're uncomfortable with local activity logging, or if the daily review habit won't stick. Without it, Timely's advantage disappears and you're paying more than Toggl for less.
RescueTime
Best for: Freelancers who want to understand where their attention actually goes — not to produce client-ready timesheets, but to surface productivity patterns and eliminate time sinks.
RescueTime runs silently and categorizes computer activity as productive, neutral, or distracting. The weekly report shows the breakdown; focus sessions can block specific sites during work blocks. For freelancers trying to build better focus habits, discovering that two hours labeled "research" was mostly aimless browsing is useful data that manual tracking never surfaces.
At ~$6.50/month it's the lowest-cost paid option here — but it solves a different problem than the others. It does not produce billable-hour logs or client invoices.
Pros:
- Fully passive — no timer management, ever
- Category-based productivity scoring and long-term trend data
- Focus sessions that block distracting sites on demand
- Personal accountability with zero ongoing effort
Cons:
- Not designed for client billing or timesheet export
- Category assignments can be inaccurate for niche or specialized tools
- Some interface elements (alerts, goals) feel dated
Skip it if: You need timesheets or invoice-ready hour logs for clients. RescueTime is a focus tool, not a billing tool.
How to Choose
The sharpest dividing line is billing method.
Billing hourly?
Start with Harvest ($12/mo). If the setup overhead feels like too much, drop to Toggl Track ($9/mo) and export hours to your invoicing tool manually — you lose the automatic invoice fill but keep accurate logs.
Billing flat rate, or need free without exception? Clockify. Unlimited everything, no monthly cost.
Forget to start timers regularly? Timely (~$9/user/mo) — but only if you'll review your activity log at the end of each day. That review step is non-negotiable.
Want to understand focus patterns, not log billable hours? RescueTime (~$6.50/mo).
Just want reliable, flexible tracking? Toggl Track.
Common Mistake: Picking Complexity Over Consistency
The most frequent failure pattern isn't choosing the wrong tool — it's choosing one that requires too much setup or daily discipline, abandoning it under deadline pressure, and logging hours in a spreadsheet. If Harvest's workflow feels like overhead, or Timely's daily review doesn't stick after two weeks, start with Toggl or Clockify and build the habit first. Consistent simple tracking produces better data than sporadic use of a powerful one.
FAQ
Is manual time tracking accurate enough for client billing? For most freelancers, yes — provided you log at the end of each task, not at the end of the day. Reconstructing a full day from memory consistently underestimates hours spent. If manual logging proves unreliable in practice, Timely's automatic capture is the direct fix.
Can tracked time data support a rate increase? Yes, and it's one of the strongest practical uses for time data. After several months of logs, it becomes straightforward to demonstrate that a project type consistently runs over the estimated hours — which makes a rate conversation objective rather than uncomfortable.
Do clients ask to see timesheets? Commonly, for retainer arrangements, government or nonprofit contracts, and any time-and-materials engagement. Harvest and Toggl both export detailed timesheets in formats clients can read directly.
Why do freelancers abandon time trackers? Friction — specifically, the friction of starting and stopping timers while mid-task. Tools that minimize that friction (Toggl's one-click timer, Timely's passive logging) have higher long-term retention. If you've abandoned a tracker before, try a simpler one before concluding the habit isn't for you.