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Top Rated Billing and Invoicing Software with Square payments processing

Last updated: May 2026

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19 software options

Zoho Invoice logo

Online invoicing tool for freelancers and SMBs.

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Zoho Invoice is an online invoicing software that helps you craft beautiful invoices, automate payment reminders and receive payments faster.

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Xero logo

Cloud-based accounting software for small businesses

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Xero is an award-winning online accounting software with billing and invoicing solutions designed for small business owners and accountants, available on any computer or mobile device with an internet connection. Easily manage your cash flow, bills, and invoices all in one place.

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RepairDesk logo

Modern repair shop management software for repair shops.

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RepairDesk is an all-in-one repair shop management software which provides repair ticketing, inventory, customer relationship management (CRM), invoicing, payment processing, marketing, reporting, and more. The cloud-based point of sale (POS) platform is perfect for all sorts of repair businesses.

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Hiveage logo

Online invoicing & billing software for small businesses

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Hiveage helps small businesses and freelancers to send invoices & estimates, accept online payments, track time & expenses, and charge subscriptions. Manage multiple businesses and teams with different levels of access with a single account.

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Iris Works logo

Photography studio management solution

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Iris Works is a photography studio management system designed to help photographers streamline client & studio management processes with features such as online booking & scheduling, automated workflows, invoicing, scouting location management, questionnaires, & more

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Synder logo

Reconcile multichannel sales & recognize revenue with ease.

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Synder helps SME and MidSize up sync, record and recognize online sales and subscriptions in QuickBooks, Sage Intacct or Xero. The platform ensures accurate reconciliation across multiple platforms and offers easy invoicing, transaction categorization and instant data analytics.

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Buzops logo

Boosting fitness with smooth gym management.

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Buzops is a gym management software offering tools for staff management, client engagement, and operational efficiency. Its automation handles repetitive tasks, allowing for a personalized touch. The platform fosters team confidence through respect, equality, and responsibility. Payment processing is simplified and centralized, free from hidden fees or unpredictable billing. Leveraging 15 years of gym ownership experience, Buzops provides intuitive reports to inform business decisions.

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Namu logo

Cloud-based financial management software for freelancers

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Namu is a cloud-based financial management software designed to help freelancers manage invoicing, retirement and tax planning, accounting, and reporting, among other processes on a centralized platform. Self-employed professionals can manage their back-office functions seamlessly in one app.

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Pennylane logo

All-in-one platform for finances, accounting, and banking

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Pennylane streamlines billing with professional invoice creation, automatic reminders, and multiple payment options including GoCardless and SumUp.

Supporting Factur-X electronic invoicing and syncing with business tools, it provides real-time tracking of payment status.

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17hats logo

The Premier Small Business Management Platform

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17hats helps freelancers and small businesses manage projects, marketing, contracts, accounting, online payments, and more. The centralized dashboard in the application displays action items, urgent notifications, upcoming calendar events, and weather forecasts to streamline daily operations.

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FreshBooks logo

Invoice and accounting software tailored to small businesses

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FreshBooks lets you create, send & track invoices, as well as create expenses, send late payment reminders and account statements, and set up recurring billing.

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vcita logo

Appointment scheduling and reminder solution

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Create and email branded invoices and track your business income with a centralized dashboard. Let clients pay for your services online, accept any credit card.

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QuickBooks Online Advanced logo

Accounting & business management for small businesses

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Automate billing and invoicing with customizable templates, batch processing, and real-time payment tracking for efficient operations.

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RepairShopr logo

CRM software for managing repair shops and POS transactions

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RepairShopr helps repair shops, plumbing agencies, painting contractors, HVAC services, and other businesses streamline invoicing, marketing, CRM, ticketing, and point of sale (POS) operations via a unified portal. The platform includes a self-service portal, which lets customers view and check invoices and service status and approve or decline repair estimates.

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Simpro logo

AI-first operating platform for the trades

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Simpro is a powerful field service management software solution that helps trade industries streamline operations to increase profits.

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ServiceWorks logo

All In One. Effortless. Accessible. Cloud Based Solution

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Smart and Automated Invoicing saves you time. Send individual invoice or combined invoices or statements. ServiceWorks have that covered.

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AccelGrid logo

Business management suite with POS, CRM, and accounting

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AccelGrid is a cloud-based solution that helps manufacturing, retail, and distribution businesses automate processes for customer relationship management, procurement, inventory management, point of sale, accounting, process automation, and more.

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Method Proposals logo

Billing and invoicing software

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Method Proposals is a proposal automation solution that integrates directly with QuickBooks accounting software. The platform enables businesses to create customizable proposals with built-in e-signatures, allowing clients to approve, sign, and pay all in one place through secure customer portals. Method Proposals features two-way synchronization with QuickBooks, eliminating duplicate data entry when converting proposals to invoices.

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Bestmate logo

Unified application for managing business operations

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All-in-one app to grow your business — invoice, quote, schedule, payments, messages.

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