InvoiceFlow Windows Desktop App

Stop Paying Monthly Fees

One-Time Payment. Lifetime Invoicing. InvoiceFlow — The Professional Invoice Manager for Windows That Works 100% Offline.

Create stunning invoices, track customers, manage items, send invoices by email, and print professional booklets — all from a beautiful desktop app. No subscription. No cloud. No monthly fees. Ever.

Windows 10/11 Compatible • 7-Day Money-Back Guarantee

Lifetime terms: "Lifetime" applies to the life of the InvoiceFlow product. The average supported life of a product of this nature at this price point is approximately 5 years.
Watch the product demo contact@appesty.com
InvoiceFlow Dashboard
InvoiceFlow dashboard showing revenue overview, invoices, and customer metrics

Why Pay Forever?

ARE YOU STILL PAYING $15–$50/MONTH FOR INVOICING SOFTWARE?

You shouldn't have to. Most invoicing tools tie you to a monthly subscription, store your sensitive client data in the cloud, and hold your own invoices hostage if you cancel.

InvoiceFlow is different. It's a beautiful, fully-featured invoice management app that lives entirely on your Windows computer. No server. No subscription. No renewal reminder emails. Just a powerful desktop app you buy once and use for the life of the product.

Product Demo

See InvoiceFlow in action before you buy.

Watch the full product demo to see how invoicing, customer management, email sending, analytics, and booklet printing work inside the app.

Open the demo on YouTube

Built For Offline Work

HERE'S EVERYTHING INVOICEFLOW CAN DO:

Every core invoicing workflow is inside one polished Windows app, from invoice creation to private customer storage and booklet printing.

InvoiceFlow booklet printer showing invoice numbering, print settings, and print preview

Professional Invoices.

Create pixel-perfect invoices with your logo, business address, line items, tax rates, and custom notes. Invoice numbers are auto-generated and sequential.

Customer Database.

Store all your client details and see their complete invoice history at a glance — all saved locally on your machine.

Items & Services Catalog.

Save your recurring products and services so you can add them to invoices in one click. No more retyping.

Dashboard Analytics.

See your revenue, outstanding invoices, paid totals, and overdue amounts on a clean real-time dashboard.

Send Invoices by Email.

Opens your email client with the PDF ready to attach, OR sends directly via SMTP in the background. Works with Gmail, Outlook, Yahoo, and more.

Invoice Booklet Printer.

Generate pre-numbered paper invoice booklets for offline cash transactions. Set copies per invoice (Original / White / Yellow).

Dark Mode & Light Mode.

One-click theme switching. Your preference is saved automatically.

100% Private.

Everything is stored in a local SQLite database on your computer. No cloud sync. No account required. No login. Ever.

Ideal Buyers

WHO IS THIS FOR?

InvoiceFlow is designed for people who want full control over invoicing without recurring software bills or cloud dependency.

Freelancers & consultants tired of SaaS fees

Small business owners who invoice locally

Tradespeople, contractors, and service providers

Anyone who wants invoicing privacy & data ownership

Businesses in areas with unreliable internet

Anyone transitioning away from Excel invoice templates

Included

WHAT YOU GET

InvoiceFlow Desktop v1.0.0 (Windows Installer)

Quick-Start Setup Guide (PDF)

Lifetime use for the life of the product (average supported product life: approximately 5 years)

Free minor updates

Email support via contact@appesty.com.

Launch Offer

Get InvoiceFlow Today

Regular Price: $37.00

Launch Price: $17.00

One-time payment. No subscription. No renewal. Ever.

Need A Quick Answer?

FREQUENTLY ASKED QUESTIONS

Yes. 100% offline. No internet required at any time.
In a database file on your own PC, in your AppData folder. You own it completely.
Current version owners get free minor updates. Major version upgrades may be offered at a discount.
Not currently. This version is Windows 10/11 only.
Yes. Supports Gmail, Outlook, Yahoo, and any SMTP-compatible email server.
No limits whatsoever. Create as many as you need.

Risk-Free Launch Access

7-Day Money-Back Guarantee

Try InvoiceFlow completely risk-free for 7 days. If you're not 100% satisfied, we'll refund your full purchase price — no questions asked.