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The Best Invoicing Software For Small Businesses

These small business invoicing software options are feature-rich, easy to use, mobile-friendly, and affordable for small businesses.

    Erica Seppala
  • Last updated onUpdated

  • Chelsea Krause
  • REVIEWED BY

    Chelsea Krause

    Expert Contributor

Our content reflects the editorial opinions of our experts. While our site makes money through referral partnerships, we only partner with companies that meet our standards for quality, as outlined in our independent rating and scoring system.

We evaluated invoicing software based on pricing, customization, payment options, automation, recurring billing, client management, accounting features, integrations, and overall value. These are our top picks.

Compare Our Top Picks

ProviderBest ForPriceNumber of InvoicesNext Steps
Best For Service BusinessesStarts at $21/monthUnlimited
Best For Invoices & PaymentsStarts at $0 - $149/monthUnlimited
Best Free Invoice Customization$0/month500/year
BILL
3.3
Best For AP & AR AutomationStarts at $45/month per userUnlimited
Best Mobile Invoicing AppStarts at $5.99/month2/month - Unlimited
Show More Options
Best Free InvoicingStarts at $0/monthUnlimited
Best For Project ManagementStarts at $0/monthUnlimited
Best For FreelancersStarts at $0/monthUnlimited
Show Fewer Options

FreshBooks

Best Overall

Best For Service Businesses

FreshBooks is invoicing software for service-based businesses that need customizable invoices, estimates, proposals, and client-facing payment tools.

FreshBooks supports unlimited invoices, estimates, recurring invoices, late fees, payment reminders, checkout links, client portals, proposals, expense tracking, and accounting features such as bank reconciliation and reports on select plans. It also offers a large integration library for businesses that need more flexibility.

Payment Options
Credit cards, ACH, payment links
Number Of Integrations
100+
Invoice Templates
2

PROS

  • Proposals feature with eSignatures
  • Strong mobile apps
  • Support for 16 languages

CONS

  • Doesn't support multiple businesses
  • Limited payment gateways

Square Invoices

Best For Invoices & Payments

Square Invoices is free invoicing software for small businesses that want an easy way to send invoices and accept payments.

Square lets businesses send invoices, estimates, recurring invoices, payment reminders, contracts, deposits, and payment links from a free Square account. Businesses can also access Square’s broader tools for contact management, inventory, employee management, sales tracking, and payment processing.

Payment Options
Credit cards, ACH, Cash App Pay
Number Of Integrations
100+
Invoice Templates
1

PROS

  • Free invoices and estimates
  • Easy to integrate payments
  • Mobile invoicing

CONS

  • No multi-currency support
  • Not for high-risk industries

Zoho Invoice

Best Free Invoice Customization

Zoho Invoice is free invoicing software for businesses that want strong invoice customization without a monthly subscription.

Zoho Invoice supports customizable templates, recurring invoices, scheduled invoices, payment reminders, estimates, time and expense tracking, client portals, projects, multiple languages, and multiple currencies. Businesses can send up to 500 invoices per year for free.

Payment Options
Payment gateway integrations
Number Of Integrations
40+
Invoice Templates
12

PROS

  • Highly customizable invoices
  • Multilingual invoices
  • Strong mobile apps

CONS

  • Limited inventory feature
  • Limited to 500 invoices per year

BILL

Best For AP & AR Automation

BILL is invoicing software for businesses that want to manage both accounts receivable and accounts payable in one platform.

BILL supports recurring invoices, automated payment reminders, auto-pay, auto-charge, status tracking, contact management, ACH payments, credit card payments, PayPal payments, bill approvals, vendor payments, document storage, and accounting software sync on select plans.

Payment Options
ACH, credit cards, PayPal
Number Of Integrations
10+
Invoice Templates
2

PROS

  • AP and AR tools
  • Expense management available
  • Accounting software integrations

CONS

  • Can get expensive
  • Limited users

Invoice2go

Best Mobile Invoicing App

Invoice2go is invoicing software for businesses that need to create, send, and manage invoices from a mobile device.

Invoice2go supports customizable invoices, estimates, expense tracking, time tracking, billable hours, purchase orders, deposits, client approvals, payment reminders, status tracking, and invoice sharing by text, email, WhatsApp, and other channels. Lower-tier plans have invoice limits, so frequent invoice senders may need a higher plan.

Payment Options
Credit cards, PayPal
Number Of Integrations
5
Invoice Templates
8

PROS

  • Strong mobile apps
  • Time tracking included
  • Send invoices by text

CONS

  • Limited features
  • Expensive
  • Limited integrations

Invoice Ninja

Best Free Invoicing

Invoice Ninja is free invoicing software for businesses that want invoicing, estimates, time tracking, expenses, projects, and client portals without paying for a starter plan.

Invoice Ninja supports invoice and quote templates, recurring invoices, bulk invoices, auto-billing, deposits, partial payments, status alerts, automatic currency conversions, and client management. The free plan is limited to 20 clients, so larger businesses may need a paid plan.

Payment Options
Payment gateway integrations
Number Of Integrations
20+
Invoice Templates
Up to 11

PROS

  • Automatic currency conversions
  • Available in 30+ languages
  • Multiple payment gateways

CONS

  • No inventory feature
  • Limited integrations
  • Limited reports

Harvest

Best For Project Management

Harvest is invoicing software for service-based businesses that need time tracking, project management, and invoices in one low-cost system.

Harvest lets businesses create invoices and estimates, track time and expenses, manage projects, set budgets, send reminders, create recurring or retainer invoices, and automatically generate invoices from tracked time. Its invoicing tools are simpler than some competitors, but they work well for project-based billing.

Payment Options
PayPal, Stripe
Number Of Integrations
65+
Invoice Templates
1

PROS

  • Strong time tracking
  • Project budgeting tools
  • Recurring and retainer invoices

CONS

  • Limited reports
  • Not for product-based businesses

PayPal Invoicing

Best For Freelancers

PayPal Invoicing is a free invoicing option for freelancers, service businesses, and side hustles that want simple invoices with familiar payment options.

Businesses can send invoices, estimates, recurring invoices, payment reminders, and invoice tracking from a free PayPal account. Customers can pay by credit card, debit card, PayPal, Venmo, or Pay Later.

Payment Options
Credit cards, debit cards, PayPal, Venmo, Pay Later
Number Of Integrations
100+
Invoice Templates
3

PROS

  • Accept PayPal, Venmo, & Pay Later
  • Recurring invoices
  • Mobile apps available

CONS

  • Lacks advanced features
  • Limited customizations

Our Rating Methodology

Each provider gets 10–15 hours of research, is scored by a subject-matter expert, and is reviewed by a second expert before publication. Ratings are not influenced by our referral partnerships.

Pricing
30%
Features
30%
Ease Of Use
20%
Customer Service
15%
User Reviews
5%

Best Free Invoicing Software For Small Business

Frequently Asked Questions

What is the best invoicing software for small businesses?

The best invoicing software depends on how you bill customers and whether you need full accounting tools.

FreshBooks is a strong choice for freelancers and service businesses, Square is good for free invoicing, and Zoho Invoice offers more customization.

Is there free invoicing software for small businesses?

Several platforms offer free invoicing software for small businesses, including Square, Zoho Invoice, and PayPal.

Free invoicing tools can work well for basic billing, but some may limit invoices, clients, features, or payment options. You’ll also usually pay processing fees if customers pay online.

What features should invoicing software have?

Good invoicing software should include customizable invoice templates, automatic payment reminders, recurring invoices, and online payment options.

Depending on your business, you may also want time tracking, expense tracking, estimates, proposals, client portals, multi-currency support, and accounting software integrations.

Can clients pay invoices through invoicing software?

Most invoicing software lets you add an online payment link directly to the invoice.

Clients can usually pay by credit card, debit card, or ACH bank transfer, depending on the provider. Online payments can help you get paid faster, but payment processing fees usually apply.

How does invoicing software help with late payments?

Invoicing software can help reduce late payments by sending automatic reminders before and after an invoice is due.

Many platforms also include online payment links, late fee options, payment status tracking, and recurring invoices, which can make it easier for clients to pay on time.

Erica Seppala

Erica Seppala

Editor & Senior Staff Writer at Merchant Maverick
Erica has been writing about small business finance and technology since 2008. She joined Merchant Maverick in 2018 and specializes in researching and reviewing business software, financial products, and other topics to help small businesses manage and grow their operations. Her expertise has been cited in MSN, Reader's Digest, Vox, U.S. News & World Report, and Real Simple. She is a Certified ProAdvisor for QuickBooks Online and QuickBooks Payroll, a graduate of Limestone University, and currently resides in Greenville, South Carolina.
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