Which invoicing software is best for a small service business?

WaffleInvoice is a focused fit for freelancers and service businesses that need estimates, invoices, a client portal, manual payment tracking, and optional Pro payment automation without full accounting. Zoho Invoice, Wave, FreshBooks, and QuickBooks Online fit different needs described in the comparison.

Which products have a permanent free plan?

WaffleInvoice, Zoho Invoice, Wave, and QuickBooks Online have permanent free options, but their limits differ. FreshBooks offers a trial rather than a permanent free plan.

Is Zoho Invoice limited to one customer and five invoices a month?

No. On October 23, 2026, Zoho Invoice stated that its free product supports up to two users, three projects, and 500 invoices per year. Its US pricing page did not state a client limit.

How much do FreshBooks Lite and QuickBooks Simple Start cost?

The regular monthly list prices checked October 23, 2026 were $23 for FreshBooks Lite and $38 for QuickBooks Online Simple Start, before temporary promotions.

Best Invoicing Software for Small Business (2026)

For a service business that wants invoicing without a general ledger, WaffleInvoice is the focused choice: Free keeps invoice, estimate, and client records unlimited, with 25 invoice email sends per rolling 30 days; Pro is $19 per month. Choose Zoho Invoice for a broader forever-free invoicing suite, Wave when free bookkeeping belongs beside invoices, FreshBooks for client and time-based professional-services work, or QuickBooks Online when full accounting matters more than a lightweight billing flow.

Checked October 23, 2026. We reviewed each named provider's own US pricing, product, and help material. Prices below are regular monthly list prices before temporary promotions. “Not publicly stated” means the reviewed first-party pages did not publish a limit; it does not mean there is no limit.

The comparison uses the same buying questions for every product: whether a permanent free plan or only a trial exists, invoice and client limits, starting list price, payment collection, bookkeeping scope, best fit, and the limitation most likely to change a buyer's decision.

Invoicing software for small business, checked October 23, 2026
Product	Permanent free plan or trial	Invoice, client, and send limits	Starting list price	Payments	Bookkeeping	Best fit	Key limitation
WaffleInvoice	Permanent Free plan	Unlimited invoice, estimate, and client records; 25 invoice email sends per rolling 30 days; new accounts: 5 sends per 24 hours for 14 days	$0; Pro $19/month	Manual tracking on Free; online card and ACH collection on Pro	No general ledger	Freelancers and service businesses that want focused billing	No inventory, payroll, point of sale, native Android app, or full accounting
Zoho Invoice	Permanent free product	Up to 2 users, 3 projects, and 500 invoices per year; public page does not state a client limit	$0	Online payments through connected gateways	Expenses and reports, but not a full general ledger	Businesses wanting the broadest no-subscription invoice feature set	Annual invoice and project limits; deeper finance work moves into other Zoho products
Wave	Permanent Starter plan	Unlimited estimates, invoices, bills, and bookkeeping records; client limit not publicly stated	$0; Pro $19/month	Optional online card and bank payments; processing fees apply	Included	Small businesses that want free invoicing and bookkeeping together	Automatic sending and some automation require Pro or an eligible paid service
FreshBooks	Trial offered; no permanent free plan	Lite: 5 billable clients; public pricing page does not state an invoice cap	Lite $23/month	Card, ACH, Apple Pay, Google Pay, and buy-now-pay-later options	Accounting, expenses, and tax reports	Professional services that bill time and want accounting in the same tool	Five-client cap on Lite; higher tiers cost more
QuickBooks Online	Permanent limited Free plan; paid plans also offer a trial	Free: 1 user and 2 invoices per month, or unlimited invoices if eligible for and using QuickBooks Payments; Simple Start: 1 user plus accountant access	$0 limited plan; Simple Start $38/month	Card and bank payments in invoices; other supported wallets vary by product	Full accounting and core financial reports	Businesses that need bookkeeping, bank feeds, reports, and accountant collaboration	The free plan has low monthly limits; paid accounting is broader and more complex than invoice-only tools

How to choose invoicing software for a small business

Start with the work surrounding the invoice. A solo service business may need estimates, invoice delivery, manual payment tracking, and a client portal. A retailer may need inventory and point-of-sale hardware. A company preparing books with an accountant may need bank reconciliation and a general ledger. Paying for the broadest product is not useful when the extra workflow makes billing harder.

WaffleInvoice: focused service-business invoicing

Choose WaffleInvoice when: you are a freelancer, contractor, or service business that wants estimates, invoices, a client portal, and payment follow-up without full accounting software. Free includes unlimited invoice, estimate, and client records, PDF download, manual payment tracking, and 25 invoice email sends per rolling 30 days. New accounts can send 5 invoice emails per 24 hours for their first 14 days. No card is required at signup; a card is requested on first Send but is never charged on Free.

Pro is $19 per month and adds unlimited sends, online card and ACH collection, recurring billing, automatic reminders, late fees, and time tracking. A manual reminder is one you choose and send yourself; automatic reminders run on a Pro schedule. Choose another tool when: you need a general ledger, inventory, payroll, point-of-sale hardware, or a native Android app.

Zoho Invoice: broad forever-free invoicing

Choose Zoho Invoice when: subscription cost is the deciding factor and its limits fit your volume. Zoho's current US pricing page says the product is free, supports up to two users and three projects, and allows up to 500 invoices per year. It includes quotes, recurring invoices, payment reminders, time and project tracking, expenses, a client portal, and connected payment gateways.

Choose another tool when: 500 invoices per year or three projects is too restrictive, or when you need full bookkeeping in the same product. Zoho Invoice is free; Zoho's broader finance products are separate buying decisions.

Wave: free invoicing with bookkeeping

Choose Wave when: you want unlimited free invoice, estimate, bill, and bookkeeping records in one account. The Starter plan is $0 and can accept optional online payments with processing fees. Pro is $19 per month and adds features such as automated late-payment reminders and automated bank-transaction handling.

Choose another tool when: you want a narrower invoice-first workspace or do not need bookkeeping. Some sending and automation behavior depends on Pro or on enabling an eligible paid Wave service, so check the workflow you expect before moving client billing.

FreshBooks: time billing and client work

Choose FreshBooks when: time tracking, projects, expenses, tax reports, and client payment options belong in one professional-services workflow. The regular Lite list price is $23 per month and covers five billable clients. FreshBooks offers a trial but no permanent free plan.

Choose another tool when: five active clients is too small for your business or you only need focused invoicing. FreshBooks' public pricing page lists higher plans for larger client counts; use the regular list price, not a temporary introductory discount, when comparing long-term cost.

QuickBooks Online: accounting first

Choose QuickBooks Online when: bookkeeping, connected accounts, core financial reports, and accountant collaboration are the main requirements. QuickBooks now has a permanent limited Free plan with one user, two invoices per month, and one estimate per month; invoices can become unlimited for eligible businesses that enable QuickBooks Payments. Simple Start has a $38 monthly list price before promotions.

Choose another tool when: your main job is sending service invoices and the accounting interface would add unnecessary setup. QuickBooks is the strongest fit here for accounting depth, not for the lightest invoice workflow.

The practical decision

Choose WaffleInvoice for focused service-business billing, Zoho Invoice for a broad free invoice tool, Wave for free bookkeeping plus invoicing, FreshBooks for time-based professional services, and QuickBooks Online for full accounting. Before switching, create one real estimate, convert it to an invoice, send a test to yourself, open it on a phone, record or make a payment, and check the reminder workflow. That short trial reveals more than a long feature list.

Review WaffleInvoice pricing and plan limits, or create your first invoice to test the focused workflow.