You're looking for a time tracking tool. You compare features, prices, integrations. But there's a question you might not be asking that determines everything else: is the tool designed to assign time to tasks, or to capture time as it's lived throughout the day?
This distinction -- top-down vs bottom-up -- is the most important selection criterion. More than price, more than integrations, more than design. Because it determines whether your team will actually use the tool, and whether the data it produces will be reliable.
The two tool families
Family 1: time tracking grafted onto project management
These tools were born to plan, organize, and track project progress. Time tracking was added later, as a complementary feature. The interface is structured around the project tree: boards, task lists, Gantt charts.
Typical examples: Monday, Asana, ClickUp, Jira, Notion (with extensions).
Time entry is done by opening a task and attaching a duration. The starting point is always the project. The timer, when it exists, is tied to a specific task.
What they do well: project progress tracking, task dependency management, deliverable overview, task collaboration.
What they do less well for time tracking: entry is buried in the project interface, non-task time (meetings, admin, research) has no natural place, time reports are a submenu of a submenu.
Family 2: time tracking as the core product
These tools are specifically designed to capture, analyze, and leverage time data. The interface centers on entry -- timer, timesheet, calendar. Projects are analysis dimensions, not entry points.
Typical examples: Toggl Track, Harvest, Clockify, Mataee.
But within this family, there's a fundamental subdivision: timer vs calendar.
Timer vs calendar: the subdivision that matters
The timer approach (Toggl, Clockify)
Toggl and Clockify assume the best way to capture time is to measure it live. The main interface is a timer: you click "Start," you work, you click "Stop." The system records the exact duration.
Advantages:
- Minute-level accuracy
- No manual entry needed
- Feeling of data "truth"
Practical disadvantages:
- You have to remember to start the timer at every activity switch
- Forgetting is common (and frustrating): you've been working for 45 minutes and realize the timer was on the wrong project
- Short interruptions (Slack, calls, questions) create micro-management
- Retrospective entry (when you forget the timer) is painful: manually creating entries with start/end times
- A background timer creates diffuse anxiety in some team members
Field observation: usage studies show that Toggl users who start enthusiastically use the timer for 2-4 weeks, then gradually slide toward retrospective manual entry -- canceling the tool's initial advantage.
The calendar/day approach (Mataee, Harvest)
Harvest and Mataee start from a different premise: time is naturally entered when the interface reflects the day's flow. No timer to start and stop -- you fill your day, slot by slot.
Harvest uses a classic timesheet (project rows x day columns). Mataee goes further with its 15-minute pill system: the day is represented as a visual grid of slots you fill as you go.
Advantages:
- No start/stop to forget
- Immediate view of the complete day: what's entered, what's missing
- Non-project time is entered just as naturally as project time
- The visual completion effect drives adoption
- Retrospective entry (next morning for yesterday) is as easy as real-time entry
Disadvantages:
- Accuracy limited to chosen granularity (15 min for Mataee)
- Requires daily entry discipline (no timer "working for you")
Detailed comparison across 10 criteria
| Criterion | PM + time tracking (Monday, Asana) | Timer (Toggl, Clockify) | Calendar/pills (Mataee) |
|---|---|---|---|
| Daily entry | Buried in project interface | Timer + manual entry | Visual daily grid |
| Time to enter 1 day | 3-5 min (project navigation) | 1-2 min (if timer used) | 1-2 min (fill pills) |
| Learning curve | High (complex tool) | Low (Start/Stop) | Low (fill a grid) |
| Non-project time | No natural place | Possible but unstructured | Native (every slot gets filled) |
| Data reliability | Variable | High if timer used, low if forgotten | High (visual real-time entry) |
| Project management | Excellent (core purpose) | Basic (projects = tags) | Structured (Client > Project > Milestone) |
| Financial reporting | Limited | Basic | Advanced (profitability, billing) |
| Adoption at 3 months | 40-60% (tool perceived as complex) | 50-70% (timer abandonment) | 80-90% (simple gesture) |
| Suited for creative teams | Poorly (too structured) | Medium (timer = surveillance) | Well (filling your day ≠ surveillance) |
| Price (5 users) | $45-110/month | $0-55/month | $25-55/month |
Three concrete scenarios for choosing
Scenario 1: the agency that wants to manage projects AND track time
Context: 15 people, complex projects with dependencies, need for Gantt charts and progress tracking. Time tracking is secondary -- the main concern is project coordination.
Recommended choice: PM + time tracking (Monday, Asana, ClickUp).
Time tracking will be imperfect, but the focus is elsewhere. The team already lives in the PM tool -- asking them to enter hours in the same place minimizes friction. Accept that time data will be approximate and don't use it for actual-time billing.
Scenario 2: the freelancer or small team (1-3 people) who wants to measure time
Context: simple need -- knowing how much time is spent on each client. No complex billing, no milestones, no advanced reporting.
Recommended choice: timer (Toggl Track, Clockify).
For one or two people, the timer works. Individual discipline is enough to compensate for the format's limitations. The free tier of these tools more than covers the need.
Scenario 3: the service company (5-50 people) that bills for time spent
Context: agency, IT consultancy, architecture firm, engineering office. Multi-project, multi-client. Time spent directly determines billing and profitability. Data must be reliable, comprehensive, and actionable.
Recommended choice: day-centered imputation tool (Mataee).
This is exactly the use case the bottom-up approach was designed for. The team needs to fill their days simply, managers need reliable profitability reports, and billing relies on actual time data. The 15-minute pill system makes entry so lightweight that adoption is no longer an issue.
The real test: ask yourself the right question
The question isn't "Which tool has the most features?" or "Which tool is cheapest?" The question is:
"How do my team members experience their workday?"
If their day is structured by tasks assigned in a Kanban board, and they only switch context 2-3 times a day, a PM tool with built-in time tracking may suffice.
If their day is a flow of varied activities -- meetings, production, client calls, admin, multi-project -- then they need a tool that mirrors that flow. A tool that simply asks "what did you do today?", not "which backlog task did you work on?"
That's the difference between a tool that asks you to adapt to it, and a tool that adapts to your day. And it's this difference that determines whether, in 3 months, your team is still using the tool -- or has abandoned it like the previous ones.
Conclusion: the best tool is the one that gets used
A brilliant time tracking tool that goes unused produces no data. A simple tool used every day produces data that changes how you manage your business.
The top-down (project management) and bottom-up (imputation) approaches aren't in direct competition -- they serve different needs. But if your need is to know where time goes, bill correctly, and manage profitability, tracking time as it's lived throughout the day is the approach that delivers the best results.
And the best test is to try it. 14-day free trial is more than enough to know if the tool fits the way you work.