As a freelancer or small business owner, you know invoicing headaches can slow you down. Reliable invoices are essential for getting paid promptly. While premium tools offer advanced features, excellent free apps handle the job without a subscription.
We've tested these solutions ourselves—our team uses them daily. Here are the top 5 free invoicing apps, perfect for straightforward billing needs.



Mini Invoice is the lightweight app our own writers rely on internally. Designed for freelancers, it's ideal for anyone needing simple, ad-free billing.
Its straightforward interface lets you create a new invoice, save client details for reuse, pick a template, add line items, and email it directly—all in minutes. It also tracks payment status.
Download: Mini Invoice for Android | iOS (free)
Invoice Ninja excels for freelancers and small businesses with growing needs beyond basic invoices.
Free users manage up to 100 clients and unlimited invoices, with time tracking, recurring billing, branded templates, 40+ payment gateways, deposits, and partial payments. Invoices include an "Created by Invoice Ninja" watermark.
Upgrade to $8/month for unlimited clients, custom templates, reminders, and more.
Download: Invoice Ninja for Android, iOS, Web (free and paid plans available)

Invoicely suits freelancers and small businesses handling complex projects with multiple clients or teams.
Manage deals across team members, accept online payments that auto-update status. Free plan offers unlimited clients and invoices, but with branding. Paid plans from $9.99/month add time tracking, taxes, mileage, custom branding, and more gateways.
Download: Invoicely for Web (free, paid plans available)
Akaunting is a powerful, open-source web app for invoicing, expense tracking, and full accounting—accessible on any device.
Enjoy unlimited clients/invoices, billable expenses, inventory, reports, payments, discounts, multilingual support. Self-host for complete data control and privacy.
Download: Akaunting for web, self-hosted (free)
Wave is a popular all-in-one free tool for invoicing, accounting, and receipt scanning—trusted by millions of small businesses.
Features include auto-reminders, professional templates, branding, mobile access, view tracking, and cloud backups. Payments and payroll are optional add-ons.
Download: Wave for the web (free)
Choose based on your needs: Mini Invoice for basics, Invoice Ninja for growth, or Akaunting for privacy. For simple operations, these reliable apps won't let you down—backed by our real-world testing.
If your billing grows complex, consider paid upgrades. Freelancers, also explore essential productivity tools to streamline your workflow.