If there’s one thing I’ve consistently heard from freelancers, it’s this:

“I know I worked more hours than I billed… but I can’t remember where they went.”

And honestly, same. When you’re juggling multiple clients, switching between tasks, hopping on quick calls, and squeezing in work between meetings, time tracking is usually the first thing that slips.

Not because freelancers don’t care — but because the tools we use don’t fit the way we actually work.

You forget to start the timer
You write hours in random notes
You “estimate” at the end of the month
And those small gaps? They add up

One missed hour here, 30 minutes there… across a month or two, you’re easily losing 5–10 hours of billable time. That’s a full day’s work gone — just because tracking was messy.

That’s exactly why we built the new Hour Tracker inside FreelanceOS.

Why Freelancers Lose So Many Billable Hours

Before building this feature, I spoke to freelancers across design, development, consulting, marketing, and more. The same patterns kept showing up:

1. Timers don’t match real life

Freelancers don’t work in perfect blocks. You bounce between emails, client calls, revisions, feedback, and small tasks. Timers don’t reflect the way freelance work actually flows.

2. Notes disappear

Half the time, hours are “logged” in random places:

A notebook
A Google Doc
Your brain
A text message to yourself
A sticky note that definitely vanished

3. Invoices become guesswork

You invoice at the end of the month and try to remember:

“Did I spend 3 hours on that revision… or was it 5?”

Most freelancers estimate down, not up. Which means money left on the table.

The Solution: A Simple, Built-in Hour Tracker

So we built something a bit different — a time tracker that actually matches the freelance workflow.

Log hours for any client or project. No separate tool, no hunting around. Just pick the project, add the time, done.
Keep all sessions in one clean list. You can see exactly what you worked on, when, and for which client.
Add tracked hours to your invoice instantly. Every tracked session can be added to an invoice as a line item with one click. No more copying numbers, no more estimating.
Designed for real-world, imperfect working. Log hours after the fact, adjust time easily, track short or long sessions, and add notes for context.

Because freelance work isn’t one long timer — it’s a mix of tiny and big tasks.

How This Changes Billing Forever

The Hour Tracker creates a simple flow:

Track → Review → Add to Invoice → Get Paid

No more spreadsheets. No more guessing. No more under-billing.

Freelancers finally get a way to confidently charge for everything they actually worked on — not just what they remembered.

A Small Feature With a Big Impact

This wasn’t a huge engineering project. But it solves a very real, very expensive problem for freelancers.

And that’s the philosophy behind FreelanceOS: small tools that remove big headaches.

If you’ve ever finished a project and thought “I probably undercharged…” — this feature is for you.

👉 Try the new Hour Tracker for free inside FreelanceOS
Built by freelancers. For freelancers.

Introducing the Hour Tracker: Stop Losing Billable Time Forever