Invoicing Software

The number one Invoicing software online. Invoice design, tracking and management all in one. Powerful design tools make great looking invoices simple and accessible. Efficient billing using PDF files and email. Store hundreds of products on the database and add to invoices at the click of of a button. Raise tax and shipping costs instantly. Reporting in real time, using data and visual elements.

Why Flowlu?

For any and all invoicing software needs. Create the invoice that best expresses your business and brand. Create beautiful, informative, smart, and elegant invoices that get the job done. Finalize your relationship with your client with the professional final stamp from an invoice designed to showcase your message. Flowlu’s invoicing software is the ultimate set of tools that equips you with all the functionality you need to transform invoicing into a simple and clean process.



Unlocking the untapped potential professional invoicing software can offer. The easiest system available for businesses of all sizes looking to spruce up their invoices with that complete touch. With a database that keeps track of everything you need to know and a system that simplifies invoice management, most of the invoice work is already done immediately.

Identifying individual factors. Invoicing software that turns every equation into a single click of a button. Showcase complete transparency with your customer by explaining a detailed breakdown of the costs, from taxes to shipping charges to other fees.

Your own private database. With our invoicing software, shaping unique invoices for your clients is easier than ever. Simply pick and choose your offered services from your own catalog and add them right away.

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Enjoy Flowlu for free with no time limit or expiration date.

Free unlimited invoices

Our software lets you invoice your customers directly from the cloud. Create new invoices and send them to customers at lightning speeds. Have previous invoices available on the cloud for easy 24/7 reference.

Share Direct Link & Send by email

Be able to send your team the invoices they need immediately. With just a few clicks, you’ll have several options for sharing company invoices. Send invoices from Flowlu by email, get a direct link to them, or download them for offline storage.

Products & Services Catalog

Create a products and services catalog to make customer billing easy. You’ll have a database with the cost of each one of your products or services. When the time comes, just add them straight to the invoice before you bill your customer.

Taxes, Discounts, Shipping Charges Online

Create different charges that you can individually add or subtract to every invoice. Explain to your customers how much added costs are and where they’re coming from. Separate between added taxes, discounts you can offer, and shipping charges in each invoice.

Reminders For Customers

Don’t worry about billing a customer, and forgetting to follow up. Our reminders for customers lets you send an automatic notification to you and your client. He’ll be followed up on and you’ll know he hasn’t paid yet.

Online payments

Make it easier for your customers to get your money to you. Online payments let your customers pay you directly from the invoice page. They’ll see a detailed list of what the charges are, including taxes, shipping, and any discounts. They can then pay hassle free right from their computer.


Flowlu’s invoicing software is a powerful set of tools that combines simple design, powerful databases and an email service that helps aid productivity and take the stress out of invoicing clients properly. Create, send and track invoices with ease, making Flowlu the number one choice of invoicing software for forward thinking businesses today.

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Flowlu - Invoicing Software