Receipt Maker & Invoicing

MRB Lab

In-app purchases

About this app

Invoiceflint is the fast, free invoice maker and estimate app for freelancers, contractors, and small businesses. Create professional invoices, estimates, quotes, and receipts in under a minute — then send them by email or WhatsApp and get paid faster.

No accounting knowledge. No clutter. Just open the app, pick a template, and send a polished PDF invoice that makes you look like a pro.

CREATE INVOICES IN UNDER A MINUTE
Pick a clean PDF invoice template, add your client and items, and send. Invoiceflint works as a simple invoice maker, invoice generator, and billing app all in one — perfect for anyone who needs to make and send an invoice fast.

ESTIMATES & QUOTES THAT WIN THE JOB
Send a professional estimate or quote, then convert it to an invoice in one tap the moment the work is done. The estimate maker your clients approve, and the invoice you get paid from — no re-typing.

GET PAID FASTER
Track which invoices are paid, unpaid, and overdue at a glance. Send automatic payment reminders so you stop chasing money and start collecting it.

TAX DONE AUTOMATICALLY
Add sales tax, VAT, or GST with reusable presets. Invoiceflint calculates totals for you on every invoice and estimate — no spreadsheets, no math.

BUILT FOR REAL WORK
- Multiple PDF invoice templates with real-time preview
- Add your logo and a digital signature for a professional look
- Attach photos to invoices and estimates
- Save clients, items, and services to reuse instantly
- Run multiple businesses from one app
- Works offline — invoice anywhere, no signal needed

WHO IT'S FOR
Freelancers, consultants, and the self-employed. Trades and contractors — builders, electricians, plumbers, handymen. Retailers, service providers, and small business owners who need fast, simple billing without complicated software.

FREE TO START
Make your first invoices and estimates free. Upgrade to Pro for unlimited invoices, all templates, payment reminders, and multiple businesses.

Whether you call it an invoice maker, invoice generator, billing app, receipt maker, or estimate app — Invoiceflint helps you create invoices, send them, and get paid. Download free and send your first invoice today.

What’s new

Thanks for using InvoiceFlint! This update includes performance improvements, bug fixes, and enhancements to provide a smoother, more reliable invoicing experience.