Top 10 Best Billing And Inventory Management Software of 2026

QuickBooks Online is a leading cloud-based accounting solution that provides robust billing and inventory management tools tailored for small to medium-sized businesses. It streamlines invoicing, automated recurring billing, payment processing via ACH, credit cards, and PayPal, while offering inventory tracking features like real-time stock levels, reorder points, assemblies, and multi-location support in Plus and Advanced plans. The platform integrates seamlessly with e-commerce sites, CRM tools, and over 650 apps, enabling comprehensive financial oversight from any device.

Xero is a cloud-based accounting software renowned for its robust billing and invoicing features, allowing users to create, send, and track invoices, quotes, and bills with automation and customization options. It includes basic inventory management to track stock levels, item costs, sales quantities, and generate reports, with automatic updates tied to transactions. While native inventory tools are straightforward, advanced capabilities like multi-location tracking require integrations from its extensive app marketplace, making it ideal for small businesses integrating billing with light inventory needs.

Zoho Inventory is a cloud-based solution designed for managing inventory, orders, warehouses, and shipping, with strong integration into the Zoho ecosystem for billing and accounting via Zoho Books. It supports multi-channel selling across platforms like Shopify, Amazon, eBay, and WooCommerce, offering real-time stock tracking, serial/batch management, and automated purchase orders. The software streamlines operations for small to medium businesses by providing tools for fulfillment, reporting, and scalability across multiple warehouses.

Odoo is a comprehensive open-source ERP platform with robust modules for billing (invoicing, accounting, payments) and inventory management (multi-warehouse tracking, real-time stock levels, automated replenishment). It enables seamless integration between sales, purchases, and warehouse operations, supporting businesses of all sizes with scalable features like barcode scanning and lot/serial number tracking. The modular design allows users to activate only needed apps, making it versatile for end-to-end supply chain and financial management.

Cin7 is a robust inventory and operations management platform tailored for multi-channel retailers and wholesalers. It excels in real-time inventory synchronization across e-commerce platforms like Shopify and Amazon, physical stores, and B2B channels, while handling order fulfillment, purchasing, and manufacturing workflows. Integrated with accounting tools such as Xero and QuickBooks, it supports invoicing and billing processes, though billing is more facilitation than native depth.

Fishbowl is a robust inventory management software that excels in warehouse operations, multi-location tracking, and order fulfillment, with deep integration into QuickBooks for seamless accounting synchronization. It handles purchase orders, sales orders, manufacturing, barcode scanning, and lot/serial number tracking, making it suitable for distributors and manufacturers. While not a standalone billing solution, it streamlines invoicing and financial reporting through its ERP-like capabilities tied to accounting software.

Katana is a cloud-based MRP software tailored for manufacturers, providing real-time inventory tracking, production planning, and order management to optimize supply chain operations. It handles multi-location inventory, automated purchase orders, sales fulfillment, and basic invoicing through integrations with accounting tools like QuickBooks and Xero. While strong in inventory visibility and manufacturing workflows, its billing features are more supplementary than standalone comprehensive.

Unleashed is a cloud-based inventory management platform tailored for wholesalers, distributors, and light manufacturers, offering real-time stock tracking across multiple locations. It streamlines purchasing, sales orders, invoicing, and billing processes while supporting batch/serial tracking and multi-currency operations. The software integrates deeply with accounting tools like Xero and QuickBooks, providing detailed reporting for operational insights.

inFlow Inventory is a robust inventory management software tailored for small to medium-sized businesses, offering real-time stock tracking, order management, and billing functionalities like invoicing and purchase orders. It supports multi-location inventory, barcode scanning, and integrations with e-commerce platforms such as Shopify and QuickBooks. The platform provides both cloud-based and on-premise deployment options, along with customizable reporting and a mobile app for on-the-go access.

MRPeasy is a cloud-based ERP/MRP software tailored for small to medium-sized manufacturers, providing robust inventory management, production planning, and billing functionalities. It offers real-time stock tracking, bill of materials (BOM) support, multi-warehouse capabilities, and automated procurement based on demand. Billing features include customizable invoicing, sales order processing, and integration with accounting tools like QuickBooks.