Curated list of the top 30 affordable invoicing tools that let you bill an unlimited number of clients, perfect for freelancers, startups, and small businesses.
Get targeted exposure with custom position pinning and highlighted placement.
Free plan with unlimited invoices, clients, and projects; paid plans add branding removal and advanced automation.
Completely free accounting suite with unlimited invoicing, receipt scanning, and basic reporting.
Free tier supports unlimited invoices and clients; paid tiers add recurring billing and multi‑currency support.
Free cloud‑based invoicing with unlimited clients, automatic tax calculations, and receipt capture.
Free to create and send invoices; only transaction fees apply when clients pay via PayPal.
Free invoicing with unlimited clients; fees only on paid invoices processed through Square.
Starter plan at $15 / mo (billed annually) includes unlimited clients, time tracking, and automated reminders.
All‑in‑one freelance suite; $19 / mo (billed annually) offers unlimited invoices, contracts, and proposals.
Freelance management platform; $19 / mo (billed annually) provides unlimited invoicing and expense tracking.
Open‑source PHP invoicing system; self‑hosted and completely free with unlimited clients.
Free, self‑hosted invoicing application built on PHP/MySQL; unlimited clients and customizable templates.
Free plan includes unlimited invoices and clients; paid plans add advanced reporting and bookkeeping.
Free tier for freelancers with unlimited invoices and clients; paid plans start at $9 / mo for extra features.
Free mobile‑first invoicing app with unlimited clients, recurring invoices, and QR‑code payments.
Starter plan at $9 / mo (billed annually) offers unlimited invoices and client management.
Free for up to 5 customers; paid plans ($9 / mo) unlock unlimited clients, automation, and multi‑currency.
Simple accounting and invoicing; $20 / mo (billed annually) includes unlimited clients and automatic bank feeds.
Free plan provides unlimited invoices, clients, and inventory tracking; paid tiers add advanced reporting.
Free invoicing for freelancers with unlimited clients; paid plans add bookkeeping and tax tools.
Free online invoicing with unlimited clients; premium templates available for a small fee.
Basic plan at $10 / mo (billed annually) includes unlimited invoicing, client management, and cash flow tools.
Entry‑level plan at $25 / mo (billed annually) offers unlimited invoices and client records.
Affordable plan at $15 / mo (billed annually) provides unlimited invoicing, clients, and project tracking.
UK‑focused accounting; $12 / mo (billed annually) includes unlimited invoices and client management.
Early plan at $13 / mo (billed annually) supports unlimited invoices, clients, and bank reconciliation.
UK small‑business accounting; plans start at £12 / mo with unlimited invoicing and client handling.
Automated AP/AR platform; starter tier $39 / mo includes unlimited invoices and clients.
Free invoicing app for freelancers; unlimited clients, recurring invoices, and instant payment links.
Hosted version at $10 / mo (billed annually) removes branding and adds priority support while keeping unlimited clients.
Subscription billing add‑on; $9 / mo includes unlimited customers and recurring invoices.
Free web‑based invoicing with unlimited clients, multi‑currency, and QR‑code payments.
Open‑source version you host yourself; completely free with unlimited invoices, clients, and customizations.