Best Invoicing Software for Freelancers and Small Business

A working freelancer or small business owner has roughly 30 minutes a week to spend on invoicing. The tool you pick should fit that budget. This page compares 7 invoicing platforms based on what actually matters in practice: getting paid on Net 30 terms, handling multi-currency clients, charging late fees without arguments, and surviving an audit. We focused on freelancers, agencies, and businesses under $5M in annual revenue.

The tools below cover the realistic spectrum. Wave is free, Bonsai bundles invoicing with contracts and proposals, Xero leans international, and QuickBooks is the path most accountants will recognize when you hand them the books at year end. Pricing is shown as ranges because vendors update their plan tiers frequently. Confirm current pricing on the vendor's site before signing.

How we evaluated these tools

We scored each tool on five dimensions: invoice creation speed (under a minute is the target), payment terms support (Net 30, 60, 90, custom days, and EOM variants), late-fee automation (per-percentage, flat fee, or both), multi-currency depth (FX booking, not just display), and the cost of the bottom tier the tool is genuinely usable on. We also weighed how the tool plays with a CPA at year end, since that is the moment a clean accounting record actually matters.

We have no commercial relationship with any of these vendors as of writing. Where this site eventually joins an affiliate program, the link will earn a referral commission at no cost to you. The disclosure above explains the full picture.

The 7 invoicing tools, ranked by general fit

FreshBooks

Best for: freelancers and service businesses

Pricing.: Starts around $19 per month for the Lite plan (5 billable clients), with mid-tier plans in the $40 to $60 range.
Key features.: Recurring invoices with auto-charge, configurable late fees, client payment portals, time tracking that converts directly to invoices, and project-based expense tracking. Multi-currency on the higher tiers.
Strengths.: The interface is built around invoicing rather than full double-entry accounting, so freelancers ramp quickly. Late fee configuration handles both percentage and flat-fee structures including grace periods, which matters for Net 30 clients.
Limitations.: Per-client pricing on the Lite tier becomes painful once you cross 5 active clients. Inventory and payroll are bolt-ons rather than core features, so product businesses outgrow it.

QuickBooks Online

Best for: small businesses growing into formal accounting

Pricing.: Starts around $35 per month for Simple Start, climbing to roughly $235 per month for the Advanced plan with multi-entity reporting.
Key features.: Full chart of accounts, bank feeds for most US and Canadian banks, payroll add-on, sales tax automation across US states, and a deep accountant ecosystem.
Strengths.: When you reach the point where a CPA wants to do quarterly review, having QuickBooks already in place removes friction. The reporting depth (P&L by class, balance sheet by location) suits small businesses with multiple cost centers.
Limitations.: The interface assumes you understand basic accounting; freelancers without that background find it intimidating. Pricing rises quickly as you add users, and the Self-Employed tier is materially weaker than the small business tiers.

Xero

Best for: international and multi-currency

Pricing.: Starts around $20 per month for Early (limited transactions), with the Growing plan in the $47 range and Established at roughly $80.
Key features.: Native multi-currency invoicing on Growing and above, bank feeds for over 21,000 banks worldwide, an open API used by hundreds of integrations, and a mature mobile app for receipt capture.
Strengths.: If you invoice clients outside the US, Xero handles FX rates, foreign-bank reconciliation, and country-specific tax rules better than most US-first tools. UK, Australian, and New Zealand small businesses use it as the default.
Limitations.: The Early plan caps invoices at 20 per month, which trips up agencies and consultants. The reporting templates feel less polished than QuickBooks, and the US payroll integration depends on Gusto rather than being native.

Wave

Best for: the free option for very small operations

Pricing.: Free for invoicing and accounting. You only pay when you accept payments (around 2.9% plus 60 cents per card transaction) or run payroll (state-dependent monthly fee).
Key features.: Unlimited invoicing, recurring invoices, expense tracking, basic reports, and a free Android and iOS app. Payment processing is built-in.
Strengths.: You can run a side hustle for years on Wave without paying anything. The invoice templates are clean, and the free tier is genuinely useful, not a stripped-down trial.
Limitations.: Customer support is paid-only, which surprises new users. Reporting is shallow compared to FreshBooks or QuickBooks, and there is no time tracking. Wave was acquired by H&R Block in 2019, and feature development has slowed.

Bonsai

Best for: all-in-one freelancers (invoicing plus contracts plus proposals)

Pricing.: Starts around $25 per month for Starter, with Professional around $39 and Business around $79. Annual billing usually cuts 20% off.
Key features.: Invoicing, contract templates, proposals, time tracking, expense tracking, and a basic CRM in one workspace. Templates cover most freelance disciplines (design, writing, consulting, dev).
Strengths.: Replaces 4 to 5 single-purpose tools, which both saves money and reduces context switching. The contract templates are genuinely usable and have been reviewed by US lawyers, so they cover scope, IP, kill fees, and payment terms.
Limitations.: If you only need invoicing, you are paying for features you will not use. The accounting side is light and not a replacement for a real bookkeeping tool. Tax categories and reporting are weaker than dedicated accounting software.

Invoice Ninja

Best for: those who want self-hostable or open source

Pricing.: Free hosted plan for up to 20 clients. Pro hosted starts around $10 per month. The self-hosted version is free under the Elastic License if you run it on your own server.
Key features.: Invoicing, quotes, recurring invoices, time tracking, project tracking, and over 40 payment gateways. Self-hosted version gives full data ownership.
Strengths.: Strong fit for technical freelancers who want their data on their own infrastructure. The self-hosted Docker image runs on a $5 VPS. Payment gateway support beats most competitors, including crypto if that matters for your client base.
Limitations.: The hosted UI is functional rather than polished. Self-hosting means you handle backups, updates, and security yourself, which is a real ongoing time cost. Customer support on the free plan is community-only.

Zoho Books

Best for: businesses already in the Zoho ecosystem

Pricing.: Free plan for businesses under $50,000 annual revenue (most countries). Standard around $20 per month, Professional around $50, Premium around $70.
Key features.: Invoicing, accounting, project tracking, inventory, automated bank feeds, and direct integration with Zoho CRM, Zoho Projects, Zoho Inventory, and Zoho Mail.
Strengths.: The free tier is unusually capable. If you already use Zoho CRM or Zoho Mail, the data flows are tight enough that you avoid double entry between sales and accounting.
Limitations.: The interface has the same Zoho-flavored complexity as the rest of the suite, which has a learning curve. US bank-feed coverage is narrower than QuickBooks. Customer support quality varies regionally.

How to choose between them

Solo freelancer with under 5 active clients and tight budget: start with Wave (free) or FreshBooks Lite. If you also need contracts and proposals, Bonsai pays for itself by replacing two other tools.

Service business with 5 to 20 clients and growing: FreshBooks mid-tier or Xero Growing. If you bill internationally, Xero. If you bill domestically and want quick invoice creation, FreshBooks.

Small business with payroll, multiple cost centers, and an outside CPA: QuickBooks Online Plus. The accountant ecosystem alone justifies it once you reach this scale.

Technical operator who wants control of their data: Invoice Ninja self-hosted. Plan on 1 to 2 hours per month for backups and updates.

Already using Zoho CRM, Zoho Mail, or Zoho Inventory: Zoho Books, especially the free tier if you qualify on revenue.

Calculator tools that pair with your invoicing software

Whichever tool you pick, the actual math of payment terms, late interest, and calendar-day vs business-day windows is the same. These free calculators answer the common questions invoicing software does not always make easy:

Net 30 calculator for the exact Net 30 due date in calendar or business days.
Invoice due date calculator for any custom payment term (Net 14, Net 45, EOM, and so on).
Late payment interest calculator for UK, EU, India, and US-state statutory rates.
Guide: what Net 30 actually means in B2B contracts.
Guide: DSO (Days Sales Outstanding) and how to calculate it.

For informational purposes only

This calculator provides general estimates based on business day counting rules. It does not constitute legal advice. Deadlines in legal, regulatory, or contractual matters may be subject to jurisdiction-specific rules, court orders, or statutory exceptions. Always verify critical deadlines with a qualified professional.

Frequently Asked Questions

Which invoicing tool is best for someone who only sends 2 or 3 invoices a month?

Wave or Zoho Books Free. Both are genuinely free for invoicing at low volume, and both produce a professional-looking invoice with online payment links. Wave is simpler if you only need invoicing; Zoho Books Free gives you a basic chart of accounts in case you want to grow into bookkeeping later. FreshBooks Lite is also a fit if you have under 5 active clients and want better recurring-invoice automation.

Do any of these tools handle Net 30, Net 60, and Net 90 invoicing automatically?

All seven let you set payment terms per invoice or per client, and most send automated reminders before and after the due date. FreshBooks and QuickBooks include configurable late fees that auto-apply when the invoice ages past the due date. If you want to compute the exact due date before sending, use the Net 30 calculator, Net 60 calculator, or Net 90 calculator on this site to confirm the date your software will assign, especially when business-day conventions are in your contract.

Which one handles multiple currencies for international clients?

Xero is the strongest choice for serious multi-currency work. It books FX gains and losses correctly, handles foreign bank feeds, and supports invoice and bill currency separately from your home currency. FreshBooks supports multi-currency on its higher tiers but the FX accounting is simpler. QuickBooks Online supports it on the Essentials tier and above. Wave and Zoho Books both support sending invoices in foreign currency, but treatment of FX gains and losses is more basic.

How do I switch from one of these tools to another later?

Most tools export customers, items, and historical invoices as CSV. The painful part is the chart of accounts and historical transactions; if you have months or years of bookkeeping in a tool, plan a clean cut at fiscal year end and bring in opening balances rather than full transaction history. FreshBooks, QuickBooks, and Xero all have official migration guides. Hire a bookkeeper for a few hours if you have more than 6 months of activity to move; the time savings outweigh the fee.