TOOLS — ONE-TIME PURCHASE

InvoiceOS

Invoicing that makes QuickBooks look bloated and FreshBooks look expensive.

Dashboard, invoice editor with live preview, estimate ↔ invoice toggle, AI invoice generation, recurring scheduler, Stripe payment links, client portal, expenses + mileage. One HTML file. Your data stays yours.

$199 one-time

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SINGLE FILE · ~82 KB · NO INSTALL

✓ Estimate → Invoice ✓ Stripe payment links ✓ AI invoice generation ✓ No subscription

Built to replace QuickBooks and FreshBooks

Everything a solo or small team needs to bill, get paid, and track expenses.

Live Invoice Editor

Edit on the left, see the rendered invoice on the right.

Estimate → Invoice

Approve an estimate and it converts to an invoice in one click.

AI Invoice Generation

Type a sentence, get a complete invoice (BYO API key).

Receipts + Mileage

Drop a receipt, AI extracts vendor/amount/date; log trips for IRS deductions.

Replaces what you already pay for

A typical small team's annual subscription cost vs. one HTML file.

	InvoiceOS	FreshBooks	QuickBooks	Bonsai
Annual price	$199 once	$1,000/yr	$1,080/yr	$300/yr
Live invoice editor	✓	✓	✓	✓
Estimate → Invoice	✓	✓	✓	✓
AI invoice generation	✓	✗	✗	✗
Stripe payment links	✓	✓	✓	✓
Your data on your machine	✓	✗	✗	✗
Monthly fee	Never	$83/mo	$90/mo	$25/mo

Pays for itself in 73 days vs FreshBooks.

Stop renting your invoice tool.

One HTML file. $199 once. Yours forever.

$199 one-time

Buy Now

INSTANT DOWNLOAD · ~82 KB · NO INSTALL