Zintego is a simple invoice app, aimed at quick sending of invoices to your clients. Zintego is an easy to use invoice maker that is designed for small business owners, freelancers, and contractors. Download this online invoice generator on your mobile device to create, send and track invoices. This software for billing helps you get paid faster as it allows you to manage your payments on the go. Use it today to check receipt templates and invoice examples. Create and submit a quote or a free i