BillGun: Invoicing & Billing at Gun Speed

Name the customer, list what you sold, done. BillGun handles automatic tax calculations (GST, VAT, Sales Tax), assigns sequential invoice numbers, and gives you a link your customer can open, pay, and print on any device.

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7-day free trial Auto GST, VAT & Sales Tax Built-in money & expense tracking Future BillGun.app

Part of the Gun Apps Family. Also expanding as standalone BillGun.app.

GunBot Invoicing Speed Demo

invoice Acme Ltd with 18% tax
10 x Notebook @ 120
3 x Chair @ 850

🧾 Invoice INV-2026-0007 created
For: Acme Ltd
• Notebook 10 × $120.00
• Chair 3 × $850.00
Total: $4,425.00 (+ $675.00 Tax)
📄 View / print: bizgun.app/invoice-view…

paid INV-2026-0007

✅ $4,425.00 recorded
🎉 Fully paid — automatically logged as income in your tracker.

Generate invoices in one line with GunBot or use our visual builder.

BillGun Highlights

From Proposal to Payment in Seconds

Built specifically for small businesses, freelancers, and growing agencies who want to get paid faster.

1-Line Fast Invoicing

Type invoice Acme Ltd and your line items. Totals, tax percentages, and next sequential invoice numbers are calculated automatically.

Compliant Country Tax

Select your country in Settings and BillGun adapts: Indian GST with state codes, VAT across UK/EU/Gulf, or US Sales Tax with itemized rates.

Automated Ledger & Cashflow

Marking an invoice as paid automatically creates an income entry. Log expenses in seconds to generate an accountant-ready profit and loss statement.

Direct Client View Links

Share clean, professional web invoice links via WhatsApp or email. Clients can view on any smartphone, download PDF, or print directly.

White-Label Brand Removal

Optionally remove all platform branding with our yearly white-label add-on. Present every invoice completely under your own identity.

Instant Export & Reporting

Download monthly reports and CSV summaries of all issued invoices, tax collected, and customer billing histories at any moment.

Questions & Answers

Frequently Asked Questions

Everything you need to know about professional billing with BillGun.

Can BillGun calculate regional taxes like GST, VAT, or Sales Tax?

Yes. Simply choose your country in Settings and BillGun configures itself: Indian GST with HSN and state codes, UK/EU VAT, or US Sales Tax with customizable rates.

How do my clients view and pay invoices?

Each invoice generates a clean, mobile-friendly link you can share over WhatsApp, email, or SMS. Clients can view line items, download a PDF, or print directly.

What happens when a client pays an invoice?

With one click, mark the invoice as paid. BillGun instantly logs the full payment into MoneyGun as income, giving you real-time revenue tracking without double data entry.

Can I remove the BizGun branding from invoices?

Yes. With our yearly white-label add-on, all platform branding is removed so invoices are presented 100% under your business identity.

Still have questions? Read the full FAQ or contact our team.

Start Invoicing at Gun Speed with BillGun

Included with all plans in the BizGun™ suite alongside FormGun, CRMGun, and MoneyGun. Expanding to standalone BillGun.app.

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