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Top 10 Best Inventory And Purchase Order Software of 2026

Discover top 10 inventory & purchase order software to streamline operations. Compare features & find the best fit. Explore now!

Alexander Schmidt

Alexander Schmidt

Feb 11, 2026

10 tools comparedExpert reviewed
Independent evaluation · Unbiased commentary · Updated regularly
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Inventory and purchase order software are critical for optimizing supply chains, minimizing inefficiencies, and aligning operations with demand—making the right choice a cornerstone of business success. With options ranging from cloud-based platforms to open-source solutions, this guide highlights the tools that excel across key capabilities to meet diverse organizational needs.

Quick Overview

  1. 1#1: Zoho Inventory - Cloud-based inventory management software that automates purchase orders, sales fulfillment, and multi-warehouse tracking.
  2. 2#2: Fishbowl Inventory - Advanced inventory control solution with seamless QuickBooks integration for purchase orders, manufacturing, and order management.
  3. 3#3: Cin7 - Core inventory platform that handles purchase orders, multi-channel sales, and real-time stock visibility for retailers.
  4. 4#4: DEAR Inventory - Cloud ERP for inventory, purchase orders, manufacturing, and accounting with strong automation features.
  5. 5#5: Katana MRP - Real-time cloud inventory and manufacturing resource planning software with automated purchase order generation.
  6. 6#6: inFlow Inventory - On-premise and cloud inventory management tool for purchase orders, sales, and barcode scanning.
  7. 7#7: Unleashed - Cloud-based inventory software focused on purchase order automation, multi-location tracking, and B2B sales.
  8. 8#8: Odoo - Open-source ERP platform with integrated inventory and purchase order management for businesses of all sizes.
  9. 9#9: NetSuite - Comprehensive cloud ERP system offering advanced inventory control, procurement, and purchase order processing.
  10. 10#10: MRPeasy - Cloud manufacturing ERP that manages inventory, production planning, and purchase orders for small manufacturers.

Tools were evaluated and ranked based on features (automation, integration, multi-location support), reliability, user-friendliness, and overall value, ensuring they cater to both small businesses and large enterprises with varying operational demands.

Comparison Table

Explore the world of Inventory and Purchase Order Software with our comparison table, showcasing tools like Zoho Inventory, Fishbowl Inventory, Cin7, DEAR Inventory, Katana MRP, and additional options. This resource simplifies decision-making by highlighting features, workflow efficiency, and integration potential to help readers find the right software for their operations.

Cloud-based inventory management software that automates purchase orders, sales fulfillment, and multi-warehouse tracking.

Features
9.6/10
Ease
8.9/10
Value
9.2/10

Advanced inventory control solution with seamless QuickBooks integration for purchase orders, manufacturing, and order management.

Features
9.3/10
Ease
7.6/10
Value
8.1/10
3Cin7 logo8.7/10

Core inventory platform that handles purchase orders, multi-channel sales, and real-time stock visibility for retailers.

Features
9.2/10
Ease
7.8/10
Value
8.1/10

Cloud ERP for inventory, purchase orders, manufacturing, and accounting with strong automation features.

Features
9.1/10
Ease
7.6/10
Value
8.0/10
5Katana MRP logo8.7/10

Real-time cloud inventory and manufacturing resource planning software with automated purchase order generation.

Features
9.2/10
Ease
8.5/10
Value
8.0/10

On-premise and cloud inventory management tool for purchase orders, sales, and barcode scanning.

Features
9.0/10
Ease
8.5/10
Value
8.2/10
7Unleashed logo8.5/10

Cloud-based inventory software focused on purchase order automation, multi-location tracking, and B2B sales.

Features
9.2/10
Ease
8.0/10
Value
8.3/10
8Odoo logo8.4/10

Open-source ERP platform with integrated inventory and purchase order management for businesses of all sizes.

Features
9.1/10
Ease
7.2/10
Value
8.7/10
9NetSuite logo8.7/10

Comprehensive cloud ERP system offering advanced inventory control, procurement, and purchase order processing.

Features
9.5/10
Ease
7.2/10
Value
8.0/10
10MRPeasy logo8.2/10

Cloud manufacturing ERP that manages inventory, production planning, and purchase orders for small manufacturers.

Features
9.1/10
Ease
8.4/10
Value
7.7/10
1
Zoho Inventory logo

Zoho Inventory

specialized

Cloud-based inventory management software that automates purchase orders, sales fulfillment, and multi-warehouse tracking.

Overall Rating9.4/10
Features
9.6/10
Ease of Use
8.9/10
Value
9.2/10
Standout Feature

Smart reorder points with vendor-managed inventory (VMI) for automated, predictive restocking

Zoho Inventory is a comprehensive cloud-based platform specializing in inventory management and purchase order automation for small to medium-sized businesses. It enables real-time tracking across multiple warehouses, serial/batch number management, and automated reorder points to prevent stockouts. The software excels in purchase order creation, vendor management, 3-way matching for payments, and seamless integrations with Zoho Books, Shopify, Amazon, and more, streamlining the entire procurement and fulfillment process.

Pros

  • Extensive inventory features including multi-location support, kits/bundles, and barcode scanning
  • Robust purchase order tools with vendor portals, approvals, and automated workflows
  • Deep integrations with e-commerce, accounting, and shipping platforms for end-to-end automation

Cons

  • Advanced reporting and customizations locked behind higher-tier plans
  • Steeper learning curve for complex setups despite intuitive UI
  • Mobile app lacks some desktop functionalities

Best For

Small to medium businesses seeking scalable inventory and procurement management with strong ecosystem integrations.

Pricing

Free plan (up to 20 online orders/month); paid plans start at $29/mo (Standard), $79/mo (Professional), $159/mo (Elite), billed annually.

2
Fishbowl Inventory logo

Fishbowl Inventory

specialized

Advanced inventory control solution with seamless QuickBooks integration for purchase orders, manufacturing, and order management.

Overall Rating8.7/10
Features
9.3/10
Ease of Use
7.6/10
Value
8.1/10
Standout Feature

Real-time, two-way QuickBooks integration that syncs inventory, orders, and financials automatically

Fishbowl Inventory is a robust on-premise inventory management software tailored for small to midsize businesses, offering advanced tracking of stock levels, purchase orders, sales orders, and manufacturing workflows. It supports multi-location inventory, lot and serial number tracking, barcode scanning, and cycle counting to streamline warehouse operations. The platform stands out for its deep, real-time two-way integration with QuickBooks, ensuring seamless accounting synchronization without manual data entry.

Pros

  • Seamless real-time integration with QuickBooks and other ERPs
  • Comprehensive inventory tools including multi-location, lot/serial tracking, and manufacturing BOMs
  • Powerful purchase order automation with vendor management and receiving

Cons

  • Steep learning curve due to complex interface
  • Upfront perpetual licensing costs plus annual maintenance
  • Limited native mobile app functionality

Best For

Mid-sized distributors, manufacturers, and warehouses using QuickBooks that need detailed inventory and PO control.

Pricing

Perpetual licenses start at $4,395 for Warehouse edition and $6,595 for Manufacturing, plus ~20% annual maintenance/support fees.

Visit Fishbowl Inventoryfishbowlinventory.com
3
Cin7 logo

Cin7

enterprise

Core inventory platform that handles purchase orders, multi-channel sales, and real-time stock visibility for retailers.

Overall Rating8.7/10
Features
9.2/10
Ease of Use
7.8/10
Value
8.1/10
Standout Feature

Real-time synchronization across unlimited sales channels and warehouses via 700+ native integrations

Cin7 is a comprehensive cloud-based inventory management platform tailored for retailers, wholesalers, and e-commerce businesses, providing real-time tracking across multiple warehouses, sales channels, and locations. It excels in purchase order automation, supplier management, and order fulfillment, with seamless integrations to over 700 apps including Shopify, Amazon, QuickBooks, and Xero. The software centralizes inventory data to prevent stockouts or overstocking, while offering B2B portals and advanced reporting for scaling operations.

Pros

  • Extensive integrations with 700+ platforms for multi-channel sync
  • Real-time inventory visibility across unlimited locations
  • Robust purchase order automation and supplier portal

Cons

  • Steep learning curve for complex setups
  • High pricing unsuitable for very small businesses
  • Customer support can be slow during peak times

Best For

Mid-sized e-commerce retailers and wholesalers with multiple sales channels needing centralized inventory control and automated purchase orders.

Pricing

Quote-based pricing starting at $349/month for Operations plan (billed annually), scaling to $599+ for Core and Control plans with more users and features.

Visit Cin7cin7.com
4
DEAR Inventory logo

DEAR Inventory

enterprise

Cloud ERP for inventory, purchase orders, manufacturing, and accounting with strong automation features.

Overall Rating8.4/10
Features
9.1/10
Ease of Use
7.6/10
Value
8.0/10
Standout Feature

Deep, native two-way integrations with over 100 platforms including QuickBooks, Xero, Shopify, and WooCommerce for automated data sync.

DEAR Inventory is a robust cloud-based inventory management software tailored for small to medium-sized businesses handling complex inventory needs. It provides real-time stock tracking across multiple locations, automated purchase order generation, and seamless sales order fulfillment integrated with e-commerce platforms like Shopify and Amazon. The platform also supports light manufacturing, B2B portals, and deep integrations with accounting tools such as QuickBooks and Xero for streamlined operations.

Pros

  • Extensive integrations with e-commerce, accounting, and POS systems
  • Advanced inventory tools including multi-location tracking and lot/serial number management
  • Built-in purchase order automation and supplier management

Cons

  • Steep learning curve for advanced features
  • Higher pricing may not suit very small businesses
  • Custom reporting requires workarounds or add-ons

Best For

Growing SMBs with multi-channel sales, multiple warehouses, and light manufacturing requirements.

Pricing

Starts at $199 AUD/month for Starter (up to 5 users), $349 for Growth, $599 for Corporate, billed annually with custom Enterprise options.

5
Katana MRP logo

Katana MRP

specialized

Real-time cloud inventory and manufacturing resource planning software with automated purchase order generation.

Overall Rating8.7/10
Features
9.2/10
Ease of Use
8.5/10
Value
8.0/10
Standout Feature

Visual production planning board with drag-and-drop scheduling and real-time MRP calculations

Katana MRP is a cloud-based manufacturing resource planning (MRP) software designed for small to medium-sized manufacturers to manage inventory, production, and purchases in real-time. It provides tools for tracking stock levels across multiple locations, automating purchase orders based on reorder points, and handling bills of materials (BOMs) for efficient production planning. The platform integrates with e-commerce platforms like Shopify and accounting software like QuickBooks, enabling seamless order-to-fulfillment workflows.

Pros

  • Real-time inventory tracking with multi-warehouse support
  • Automated purchase order generation and supplier management
  • Strong integrations with e-commerce and accounting tools

Cons

  • Higher pricing tiers required for advanced features
  • Learning curve for complex BOM and production setups
  • Limited advanced reporting in entry-level plans

Best For

Small to medium manufacturers seeking integrated inventory, production scheduling, and purchase order automation.

Pricing

Starts at $99/month (Maker plan for up to 100 orders), $299/month (Manufacturer), up to custom enterprise pricing; 14-day free trial available.

Visit Katana MRPkatanamrp.com
6
inFlow Inventory logo

inFlow Inventory

specialized

On-premise and cloud inventory management tool for purchase orders, sales, and barcode scanning.

Overall Rating8.7/10
Features
9.0/10
Ease of Use
8.5/10
Value
8.2/10
Standout Feature

Hybrid cloud/on-premise deployment with full offline mobile capabilities

inFlow Inventory is a comprehensive inventory management software tailored for small to medium-sized businesses, offering robust tools for tracking stock levels, managing purchase orders, sales, and light manufacturing across multiple locations. It supports barcode scanning through a dedicated mobile app, real-time reporting, and seamless integrations with platforms like QuickBooks, Shopify, and WooCommerce. The software provides both cloud-based and on-premise deployment options, making it flexible for various business needs.

Pros

  • Multi-location inventory tracking with real-time sync
  • Strong mobile app for barcode scanning and offline use
  • Deep integrations with QuickBooks and e-commerce platforms

Cons

  • Pricing scales quickly for larger teams or advanced features
  • Reporting lacks some advanced customization options
  • On-premise version requires technical setup

Best For

Small to medium businesses with multiple warehouses or retail outlets needing reliable inventory control and purchase order automation.

Pricing

Cloud: starts at $89/month (1 user, Basic); $129/month (Pro, up to 5 users); On-premise: $999-$2,999 one-time license + $289-$599/year support.

Visit inFlow Inventoryinflowinventory.com
7
Unleashed logo

Unleashed

specialized

Cloud-based inventory software focused on purchase order automation, multi-location tracking, and B2B sales.

Overall Rating8.5/10
Features
9.2/10
Ease of Use
8.0/10
Value
8.3/10
Standout Feature

Precise landed cost tracking that allocates freight, duties, and overheads to inventory for accurate costing and profitability.

Unleashed is a cloud-based inventory management software tailored for wholesalers, distributors, and manufacturers, offering real-time tracking across multiple locations. It excels in purchase order creation, approval workflows, supplier management, and goods receiving, with features like batch/serial tracking and landed cost allocation. The platform integrates with accounting tools like Xero and QuickBooks, plus e-commerce systems, streamlining inventory and procurement processes.

Pros

  • Real-time multi-location inventory visibility and control
  • Automated purchase order management with approvals and 3-way matching
  • Seamless integrations with accounting and e-commerce platforms

Cons

  • Higher pricing may deter very small businesses
  • Steeper learning curve for complex configurations
  • Reporting customization is somewhat limited

Best For

Medium-sized wholesalers and distributors requiring robust, scalable inventory and purchase order automation.

Pricing

Starts at $85 AUD/month (Solo plan, 1 user), scales to $485 AUD/month (Advanced, 10 users) or custom Enterprise; annual billing offers discounts.

Visit Unleashedunleashedsoftware.com
8
Odoo logo

Odoo

enterprise

Open-source ERP platform with integrated inventory and purchase order management for businesses of all sizes.

Overall Rating8.4/10
Features
9.1/10
Ease of Use
7.2/10
Value
8.7/10
Standout Feature

Intelligent reordering rules that automatically generate purchase orders from inventory forecasts and min/max stock levels

Odoo is an open-source ERP platform with powerful inventory and purchase order modules that enable real-time stock tracking, multi-warehouse management, and automated procurement processes. It supports features like reordering rules, RFQs, purchase approvals, and integration with suppliers for seamless order fulfillment. Businesses can handle lot/serial tracking, inventory valuations, and purchase analytics within a unified system.

Pros

  • Highly customizable modules with deep integration between inventory and purchases
  • Advanced automation like auto-generated POs based on stock forecasts
  • Free community edition with robust core functionality

Cons

  • Steep learning curve for setup and customization
  • Performance can lag with very large inventories without proper hosting
  • Enterprise features and support add significant costs

Best For

Growing SMBs needing scalable, integrated inventory and procurement in a full ERP suite.

Pricing

Free open-source Community edition; Enterprise plans start at $24.90/user/month (billed annually) including apps and hosting.

Visit Odooodoo.com
9
NetSuite logo

NetSuite

enterprise

Comprehensive cloud ERP system offering advanced inventory control, procurement, and purchase order processing.

Overall Rating8.7/10
Features
9.5/10
Ease of Use
7.2/10
Value
8.0/10
Standout Feature

Real-time, multi-subsidiary inventory synchronization with advanced demand planning and replenishment automation

NetSuite is a comprehensive cloud-based ERP platform that excels in inventory management and purchase order automation, offering real-time visibility across multi-location warehouses, lot and serial number tracking, and demand forecasting. Its purchase order module streamlines vendor management, approvals, and three-way matching with integrated accounting. Designed for scalability, it integrates seamlessly with financials, CRM, and order management for end-to-end supply chain control.

Pros

  • Advanced multi-location inventory with lot/serial tracking and cycle counting
  • Automated PO workflows with vendor portals and approval hierarchies
  • Deep integration with ERP modules for real-time analytics and forecasting

Cons

  • Steep learning curve and complex customization
  • High implementation costs and long setup time
  • Premium pricing not ideal for small businesses

Best For

Mid-to-large enterprises needing scalable, integrated inventory and procurement within a full ERP ecosystem.

Pricing

Quote-based subscription starting at ~$1,000/month base + $99/user/month, with implementation fees often $50K+.

Visit NetSuitenetsuite.com
10
MRPeasy logo

MRPeasy

specialized

Cloud manufacturing ERP that manages inventory, production planning, and purchase orders for small manufacturers.

Overall Rating8.2/10
Features
9.1/10
Ease of Use
8.4/10
Value
7.7/10
Standout Feature

MRP-driven production scheduling that automatically generates precise purchase orders from material requirements planning

MRPeasy is a cloud-based MRP/ERP software designed primarily for small to medium-sized manufacturers, offering robust inventory management and automated purchase order functionalities. It provides real-time stock tracking across multiple warehouses, bill of materials (BOM) handling with infinite nesting, and intelligent PO generation based on production schedules and material needs. The platform integrates these with production planning, CRM, and accounting for streamlined operations.

Pros

  • Comprehensive inventory control with lot/serial traceability and multi-warehouse support
  • Automated purchase orders triggered by MRP calculations and production forecasts
  • Integrated production scheduling with Gantt charts for efficient material planning

Cons

  • Higher pricing tiers required for full manufacturing features
  • Steeper learning curve for non-manufacturers or advanced BOM setups
  • Limited standalone inventory tools without broader ERP commitment

Best For

Small to medium manufacturers needing tightly integrated inventory, purchase orders, and production planning.

Pricing

Starts at €49/user/month (Basic), €99/user/month (Production), €149/user/month (Extended); billed annually with minimum 5 users.

Visit MRPeasymrpeasy.com

Conclusion

The reviewed tools provide strong support for inventory and purchase order management, with Zoho Inventory rising as the top pick due to its seamless automation of purchase orders, sales fulfillment, and multi-warehouse tracking. Fishbowl Inventory stands out for its advanced QuickBooks integration, tailored for manufacturing and order management, while Cin7 excels in real-time stock visibility and multi-channel sales handling. Each tool caters to distinct business needs, yet Zoho leads as the most versatile solution.

Zoho Inventory logo
Our Top Pick
Zoho Inventory

Take action to optimize your operations—explore Zoho Inventory to experience its automated workflows and take charge of your inventory management effectively.