Startit Labs
SIM Simplified Invoice Management
Simple invoicing for freelancers and small businesses. Create professional invoices, track pending payments, and get paid faster — no spreadsheets, no hassle.
Start free · No credit card · Ready in 2 minutes
Features
What does SIM do for you?
Designed so you can focus on your work, not on managing invoices.
Professional invoices
Create invoices with your logo, tax details, and payment terms in seconds. PDF ready to send.
Payment tracking
See at a glance what's paid, pending, and overdue. No surprises.
Client management
Store your client data, invoice history, and contacts. Everything in one place.
Automatic reminders
Email notifications when an invoice is about to expire or is already overdue.
PDF export
Download any invoice as PDF with one click. Ready to send or archive.
Secure and private
Your data and your clients' data are protected. HTTPS, encryption, and we never sell your data to third parties or use ad trackers.
How it works
From zero to invoice sent in minutes
Four steps. No friction. No endless setup.
SIM — Create account
No credit card required
SIM — New client
SIM — New invoice
SIM — Invoice #0042
Pricing
Simple plans, no surprises
Start free and switch plans whenever you need. Pay by card or PayPal.
Starter
$7 /mo
- Up to 25 clients
- 30 invoices per month
- Automatic reminders
- PDF invoices
- Cash flow dashboard
Pro
$14 /mo
- Up to 200 clients
- 300 invoices per month
- Logo and brand colors
- Custom payment instructions
- Priority support
Business
$35 /mo
- Unlimited clients
- Unlimited invoices
- Full branding
- Advanced cash flow reports
- Priority support
Billing happens at sim.startitservices.com. Cancel anytime.
Still thinking it over?
Leave us your email and we'll send you a short guide to issue your first invoice, no strings attached.
Try invoicing nowBuilt with
Stop chasing invoices. Start getting paid.
SIM is the product Startit used to prove it can build real software. Now it's available for you.