The 5 best invoice apps (free and paid invoice app)

Overview

A modern invoice app will do more than help you make professional-looking invoices. In this guide, we’ll explain how you can choose the best invoicing app for your business and look at five free and paid invoicing apps to consider. This version is adapted for Nexbal with a shorter, practical structure.

Key Takeaways

• What does an invoice app do?
• Best invoice apps for small businesses
• 1. Conta Invoicing: Free Invoice App

Practical Checklist

1. Define the process and responsibilities before you invoice.
2. Verify customer data, amounts, taxes, and due dates.
3. Use a consistent template and keep documentation in one place.
4. Follow up unpaid invoices with a predictable reminder flow.