1
Cloud accounting suite with invoicing built into the ledger
US small businesses of roughly 3-25 people that already need double-entry accounting — inventory, job costing, sales tax, an external accountant — and want invoicing to live in the same ledger.
View profileCompareOfficial site ↗USD $38/month (Simple Start, 1 user; promo $3.80/mo for 3 months) · free tier: 30-day free trial, offered as an alternative to a 90%-off-for-three-months promotionHigh confidence 2
Free ecommerce storefront tied to Square payments and POS
US single-location service businesses under about $250k annual card volume that want estimates, contracts, e-signature, deposits and payment collection in one place at zero software cost — especially existing Square POS sellers, and anyone who can push clients to ACH on the Plus plan.
View profileCompareOfficial site ↗Not published — Square Plus is paid per active location; exact per-location dollar figure not confirmed on the vendor plans page · free tier: Square Free — no monthly subscription cost; you only pay processing fees when you take a payment, with all POS modes and Square Banking includedHigh confidence 3
Cloud accounting for small business, with invoicing built in
Small businesses that want invoicing inside a full double-entry ledger, teams needing many free user logins, and firms already working with an accountant in the Xero partner ecosystem.
View profileCompareOfficial site ↗USD $25/month (Early), rising to $27/month from 1 October 2026 · free tier: No permanent free tier; one month free starting once business setup is finalized, with a reminder 7 days before it endsHigh confidence 4
Cloud e-signature platform built into the Zoho ecosystem
Freelancers, sole traders and micro-businesses issuing under roughly 40 invoices a month with one or two people on the books, who want professional invoicing, recurring billing, time tracking and a client portal at zero cost — especially those already inside the Zoho ecosystem.
View profileCompareOfficial site ↗USD $10 per user per month (Standard) — corroborated only by vendor-supplied listings on G2 and Capterra · free tier: Free 14-day trial with no credit card required; Free plan for a single user with 5 envelopes per month, signature workflows, reminders, Zoho cloud DSC signing, audit trail, cloud storage import/export and mobile/desktop appsHigh confidence 5
Free invoicing bundled with a PayPal Business account
Solo freelancers, contractors and micro-businesses billing modest monthly volume — especially those with international clients — who value zero fixed cost and payer convenience over rate optimisation, and who already accept PayPal.
View profileCompareOfficial site ↗Pay by Bank (ACH) 1% with a $10 fee cap per invoice payment · free tier: Invoicing itself is free — no monthly fee and no per-invoice fee; included with any PayPal accountHigh confidence 6
Cloud invoicing and books for solo service businesses
Solo consultants, designers and contractors with a stable book of under 50 clients who bill on retainers and proposals, want invoices out in minutes without accounting knowledge, and value reaching a human by phone.
View profileCompareOfficial site ↗USD $23.00/mo (Lite, 5 billable clients) · free tier: No free plan; 30-day free trial plus a stated full refund available within 30 days of purchaseHigh confidence 7
Free invoicing and bookkeeping for US and Canadian micro-businesses
US and Canadian freelancers and micro-businesses invoicing in USD/CAD at low volume — roughly under 10 card transactions a month, or mostly via 1% ACH — who want free invoicing plus double-entry bookkeeping in one ledger and can tolerate 1–7 day settlement.
View profileCompareOfficial site ↗$19 USD/month (or $190 USD/year); $25 CAD/month, $250 CAD/year — promo observed at $9.50 USD/month for first 3 months · free tier: Starter $0: unlimited estimates, invoices, bills and bookkeeping records, mobile invoicing, cash flow and customer dashboard; documents sent via link or PDF only; Wave branding retainedHigh confidence 8
Low-cost web invoicing for freelancers and micro-businesses
Solo freelancers, contractors and micro-businesses issuing low invoice volumes who want branded invoices, estimates and time/mileage tracking under $20/month, especially those running more than one business entity from one login.
View profileCompareOfficial site ↗$9.99/month (Basic: 100 invoices/month, 25 clients, up to 2 team members) · free tier: $0/month: 5 invoices per month, 3 saved clients, no team members, PayPal-only online payments, limited branding, branded-only PDFs, 100 emails/month, max 10 saved items; no credit card requiredHigh confidence 9
Open-source invoicing and billing for freelancers and small businesses
Freelancers and micro-businesses with up to five clients who want capable invoicing free of charge, solo consultants needing unlimited clients and API access for under $150/year, and technical or privacy-conscious teams who want the self-hosted open-source route.
View profileCompareOfficial site ↗$14/month (Ninja Pro, billed monthly) or $140/year (~$11.67/month) · free tier: $0, no card required — 5 clients with unlimited invoicing, 4 templates, logo branding, online payments, recurring and auto-billing, products/inventory, projects and billable time, Kanban, vendors and expenses, client portal, deposits/partial payments, automatic currency conversion, Zapier/Make/n8nMedium confidence How this category is scored
Every platform here is scored against the same five components. The Expert Assessment component uses a rubric written specifically for invoicing & ar.
Regulation & Safeguarding
Licences, safeguarding of funds and jurisdictional coverage.
Fees
Headline and hidden costs, FX margins, thresholds.
Payout Reliability
Reported failures, freezes, holds and resolution times.
Market Coverage
Countries, currencies and payment methods supported.
Integration
APIs, accounting and commerce connectivity.
Support
Access to a human when money is stuck.
Transparency
How clearly terms, limits and pricing are published.
Sources currently active: Product Hunt, Apple App Store, Google Play, Vendor Documentation, TOP10 Editorial Research, TOP10 AI Visibility Panel, TOP10 Citation Discovery, TOP10 Ratings Refresh, VIZS AI Visibility, TCS Citation Intelligence, G2, Trustpilot, Capterra, TrustRadius, Software Advice. How sources are weighted.