HourSlipTime tracker for freelance developers: start the timer, send the invoice
If you write code for clients and bill by the hour, the shortest path is a timer and an invoice. HourSlip is a time tracker for freelancers. Start a timer from the menu bar, tag the time to a client, and export a PDF invoice from your tracked hours.
Download free beta Buy Pro – $29 one-time
macOS 14+, Windows, Linux.
What you get
- Menu-bar timer, one click to start and stop
- Timesheet and charts
- PDF invoices from your tracked time
- Works offline, with daily local backups
- Your data stays on your computer
How it works
- Start the timer from the menu bar.
- Track hours against a client.
- Generate a PDF invoice from those hours.
- Send the PDF the way you already send invoices.
Free beta vs Pro
| Free public beta | Pro – $29 one-time | |
|---|---|---|
| Menu-bar timer, timesheet, charts | Yes | Yes |
| PDF invoices | 1 client, HourSlip footer | Unlimited clients, no footer |
| CSV export | No | Yes |
| Offline + daily local backups | Yes | Yes |
Pro is a one-time purchase, not a subscription. You get an activation key by email and paste it into HourSlip's upgrade screen. Payments are handled by Polar.
Who it's for
Solo freelancers and contractors who bill by the hour and want the shortest path from "I worked" to "I invoiced."
Who it's not for
Teams that need shared timesheets, approvals or payroll. HourSlip is built for one person billing clients.
FAQ
Does it work on Windows or Linux?
Yes: Windows 10/11 (64-bit) and 64-bit Linux desktops, as well as macOS 14+.
Where is my data?
On your computer. It works offline and makes daily local backups.
What's free?
The public beta covers tracking and PDF invoices for one client, with a HourSlip footer on the invoice.
What does Pro cost?
$29, once. Not a subscription.
Does it take payments from my clients?
No. It makes the invoice; you collect payment your usual way.
Compared with subscription tools
Toggl Track, Harvest and Bonsai are subscription products. HourSlip Pro is $29 once. If you need teams, approvals or integrations, one of those may suit you better.