Billing MadeEffortless
Professional invoicing & customer management for modern businesses. Lightning fast, secure, and beautifully designed.
ULN-BILLUS
Invoice #001234
Everything You Need
Nothing You Don't
Purpose-built tools for small businesses, freelancers, and entrepreneurs who value simplicity and power.
Smart Invoicing
Create professional invoices in seconds. Auto-calculations, templates, and instant previews.
Customer Hub
Centralized customer database with history tracking and outstanding balance management.
Custom Themes
Match your brand identity. Dark mode, light mode, custom colors — your choice.
Data Ownership
Your data stays on your machine. Export, backup, and restore with complete control.
Offline First
Works without internet. No cloud dependency. Privacy by design, security by default.
Native Speed
Built with Rust & React. Native performance with zero compromise on user experience.
Ready in 3 Steps
No complicated setup. No learning curve. Just download and start billing.
Download
Get the app for free. Windows, macOS, and Linux supported.
Configure
Add your business details, logo, and customize appearance.
Create
Start creating invoices and managing customers instantly.
Need Custom Pricing?
ULN-BILLUS is free for personal use. For enterprise licenses, custom features, or bulk deployments, reach out to us.
pricing@ulnlabs.in
Trusted by Businesses
Hear from professionals who've made ULN-BILLUS their choice.
Rahul Sharma
Freelance Designer
“ULN-BILLUS transformed how I handle billing. Creating invoices takes seconds, and my clients love the professional look.”
Priya Patel
Small Business Owner
“Finally, a billing app that works offline! Perfect for my shop where internet is unreliable. It's a game-changer.”
Amit Kumar
Consultant
“The customer management feature saves me hours every week. I can track everything in one place.”
Ready to Transform
Your Billing?
Join thousands of businesses already using ULN-BILLUS for effortless billing and customer management.
Available for Windows, macOS, and Linux