Australian freelancers and contractors who track work sessions and want an accurate timesheet and invoice total, GST handled correctly.
How it works
- Name this timesheet, e.g. "August week 1".
- Enter your hourly rate and whether you are GST-registered.
- Log sessions, one per line: "date, start time, end time, task" (times as HH:MM).
- Get exact billable hours per session and day, and the invoice total with GST handled correctly.
What you gain
- Logs work sessions by start and end time and computes exact billable hours - no manual subtraction, no rounding to the nearest quarter hour by habit
- Turns total hours into an invoice amount at your hourly rate, and adds GST at 10% only if you say you are GST-registered - the two numbers side by side, so you never bill the wrong one
- Groups sessions by day so a timesheet export shows exactly what was billed and when
- Timesheets saved by name: recalculating updates the same timesheet, not a duplicate
Screenshot

Technical details
How to set up & use
- Buy the license — your key (lic_...) appears on the order page and in your email.
- Sign in at app.synoriaai.com with your license key.
- No installation — the product runs in your browser, on your own isolated instance.
- Open the app and give your timesheet a name, like 'August week 1'.
- Enter your hourly rate and say whether you are GST-registered.
- Add your work sessions with date, start time, end time, and a note.
- Click calculate to see your total hours and the invoice amount.
- Save the timesheet by name so recalculating updates it instead of making a duplicate.
Frequently asked questions
Does it store my timesheet data anywhere I can't see?
Timesheets are saved by the name you give them so you can recalculate the same one. The app does not send your session data anywhere else.
Does it add GST automatically?
No. It adds GST at 10% only if you mark yourself as GST-registered. If you are not registered, it shows the amount without GST.
Can it round my hours to the nearest quarter hour?
No. It computes exact billable hours from your start and end times, so there is no rounding to the nearest quarter hour.
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