1 Your Invoice
$
hrs
2 The Invisible Time (not on the invoice)
hrs
hrs
hrs
hrs
3 Your Real Numbers
🧮
Fill in your rate and hours above to see the truth.
The calculator shows one project.
The OS shows every project.
Freelancer Business OS tracks all your income, invoices, client profitability, and quarterly tax estimates automatically — so you always know exactly where your money is going.
Income & invoice tracker
Client profitability score
Rate Erosion Detector
Quarterly tax estimates
800+ live formulas
No subscription ever
Get the Full OS $27
One-time payment · No upsells · Instant download
