BillFlow
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Smart invoices and payment reminders for small businesses.

Create professional invoices, send them to clients, track unpaid payments, and automate reminders so you get paid faster.

Everything you need to get paid

From the first invoice to the final reminder.

Professional invoices

Branded invoices with your logo, line items, tax and discounts — calculated automatically.

Automatic reminders

Friendly, professional, or firm reminders by email and WhatsApp so you stop chasing payments.

Client management

A tidy client list with balances, history, and one-click new invoices.

Payment tracking

Record full or partial payments; statuses and balances update themselves.

Receipt generation

Every payment produces a clean receipt your clients can download.

Reports & analytics

Sales, tax, aging and per-client statements — exportable to CSV.

Public invoice links

Share a secure link; clients view and pay without an account.

Built for small teams

Freelancers, agencies, tutors, salons, clinics, and local services.

How it works

Three steps to faster payments.

1 · Set up your business

Add your logo, currency, and payment details once. They flow onto every document.

2 · Invoice your client

Pick a client, add saved services, and send a branded invoice with a public link.

3 · Get paid & remind

Track payments, auto-generate receipts, and send reminders until it's settled.

Built for service businesses

If you send invoices, BillFlow fits.

Freelancers
Agencies
Tutors & coaches
Salons & clinics
Car detailers
Home services
Local shops
Consultants

Simple pricing

Start free. Upgrade when you grow.

Free

$0
  • 3 invoices / month
  • 5 clients
  • PDF invoices

Starter

$9/mo
  • 30 invoices / month
  • 50 clients
  • No watermark

Business

$39/mo
  • WhatsApp reminders
  • Recurring invoices
  • AI features
  • Team members

Plan limits and billing are on the roadmap — every feature is currently open.

Questions

Do my clients need an account?

No. You share a secure public link and they can view and download the invoice instantly.

Can I track partial payments?

Yes. Record any number of payments per invoice — the balance and status update automatically.

How do reminders work?

Pick a tone and BillFlow drafts the message with the invoice details, ready to send by email or WhatsApp.

Is my data private?

Every account only ever sees its own clients, invoices, and reports. Public links use unguessable tokens.

Start invoicing in minutes

Free to start. No card required.