Invoice, collect and grow without spreadsheets
Create professional invoices in minutes, send them with one click and let SIM chase payments for you. Designed for freelancers and small businesses who want to get paid on time.
No credit card · Ready in 2 minutes
Outstanding
$12,480
Collected this month
$8,150
Overdue
$1,200
The billing tool for over 1,000 businesses
- 250K+
- Invoices issued
- 98%
- Collected on time
- < 2 min
- Time per invoice
Everything in one place
What you need to collect better
No fragile templates or manual reminders. SIM handles the boring work.
Professional invoices
Clean templates with your logo, taxes and discounts calculated automatically.
Automatic reminders
SIM sends reminders before and after the due date so you collect without chasing anyone.
PDF download
Generate branded PDFs ready to send or attach in seconds.
Cash flow dashboard
See at a glance how much you're owed, how much you've collected and what invoices are overdue.
Client management
Save your clients' data and reuse it on every invoice without typing again.
Your data, secure
Each account sees only its own information. Backups and user isolation.
How it works
From zero to collected in 3 steps
Create your invoice
Choose a client, add items and SIM calculates taxes and totals for you.
Send it with one click
Send the invoice by email with a professional PDF attached and your brand.
Collect on time
Automatic reminders do the follow-up. You just register the payment.
Pricing
Simple plans, no surprises
Start free and change plans whenever you need.
Starter
- Up to 25 clients
- 30 invoices per month
- Automatic reminders
- PDF invoices
- Cash flow dashboard
- Logo and payment instructions
Pro
- Up to 200 clients
- 300 invoices per month
- Automatic reminders
- Logo and brand colors
- Custom payment instructions
- Priority support
Business
- Unlimited clients
- Unlimited invoices
- Automatic reminders
- Full branding
- Advanced cash flow reports
- Priority support
Testimonials
Businesses already collecting better
"Dejé de perseguir pagos por WhatsApp. Los recordatorios automáticos hicieron que cobrara 12 días antes en promedio."
"En dos minutos tengo una factura con mi logo y la mando. Mis clientes piensan que tengo un equipo de administración."
"El dashboard me dice exactamente cuánto me deben. Por fin entiendo mi flujo de caja sin abrir Excel."
Frequently asked questions
Have questions?
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No. You can create your account and issue invoices on the free plan without entering any payment method.
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SIM manages invoicing, reminders and follow-up. You receive payment directly through your usual means (wire transfer, etc.) and register it with one click.
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Yes. In Pro and Business plans you can add your logo, colors and custom payment instructions.
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We'll notify you and you can change your plan at any time from your dashboard. The change is immediate.
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Of course. No commitment: change or cancel your plan whenever you need.
Get started today!
Start collecting on time, today
Join over 1,000 businesses that left spreadsheets behind. No credit card. Ready in 2 minutes.
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