Top 20 Alternatives to Square Invoices in Accounting Software for Self‑Employed

Square Invoices offers simple, fast invoicing for freelancers, but many self‑employed professionals need different features such as integrated expense tracking, tax estimates, or multi‑currency support. Below are 20 alternative accounting/invoicing tools that cater specifically to solo entrepreneurs and freelancers.

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Top Competitors to Consider

All‑in‑one invoicing, time‑tracking, and expense management platform designed for freelancers and small businesses.

Tax‑focused accounting suite with mileage tracking, quarterly tax estimates, and customizable invoices.

Free invoicing, accounting, and receipt‑scanning tool with built‑in payroll (US only) and bank reconciliation.

Feature‑rich invoicing solution with automated reminders, multi‑currency support, and integration with Zoho Books.

Open‑source invoicing platform offering unlimited invoices, proposals, and client portals for freelancers.

Simple, free invoicing tool that lets freelancers send professional invoices and accept payments instantly via PayPal.

#8 Xero

Cloud‑based accounting software with robust invoicing, bank feeds, and expense tracking; offers a self‑employed plan via partners.

#9 Kashoo

Straightforward accounting and invoicing app with auto‑categorization, receipt capture, and tax‑ready reports.

#10 Invoicely

Free tier provides unlimited invoices, multi‑currency, and client management; paid plans add advanced reporting.

#11 Harvest

Time‑tracking meets invoicing; automatically turn tracked hours into professional invoices and sync with accounting tools.

Comprehensive accounting suite with invoicing, inventory, and project billing; ideal for freelancers scaling their operations.

#13 SlickPie

Free online accounting software with automated data entry, invoicing, and tax‑ready financial statements.

#14 ZipBooks

Modern accounting platform offering invoicing, expense tracking, and simple financial reporting with a free starter plan.

Designed for gig‑economy workers; integrates with platforms like Etsy, Amazon, and eBay for automatic sales import.

Mobile‑first invoicing app with customizable templates, recurring invoices, and payment gateway integrations.

Global payment platform that lets freelancers create invoices and receive payments in multiple currencies.

Open‑source, self‑hosted invoicing solution for freelancers who prefer full control over data and customization.

#19 Bonsai

All‑in‑one freelance management suite with proposals, contracts, time tracking, and invoicing.

Freelance‑focused app offering invoicing, expense tracking, and contract management with a clean UI.

#21 Bill.com

Automated bill payment and invoicing platform that streamlines accounts receivable for solo entrepreneurs.