Selling on multiple platforms like Shopify, Amazon, Etsy, or eBay can unlock serious growth, but it also makes inventory management a lot more complicated.
One wrong stock count, and you’re stuck dealing with overselling, backorders, or unhappy customers.
That’s why choosing the right multichannel inventory management app is so important.
In this guide, we’ll break down the top tools that help eCommerce brands keep inventory in sync, avoid costly mistakes, and scale with confidence.
Why Multichannel Inventory Management Matters
When you sell on more than one platform, things get messy fast. A sale on Amazon needs to reduce stock on Shopify. Your warehouse must know what’s in stock, not just what’s sold. And if inventory isn’t updated in real time? You risk overselling, backorders, or unhappy customers.
Multichannel inventory management helps by:
- Automatically syncing stock across all connected channels
- Centralizing purchase orders and product catalogs
- Offering low-stock alerts, demand forecasting, and more
- Helping you avoid costly errors and fulfillment delays
1. Sumtracker
Sumtracker is built for eCommerce brands that need fast and accurate inventory sync across multiple sales channels. Whether you’re selling on Shopify, Amazon, Etsy, or eBay, Sumtracker ensures your stock levels are always up to date with no delays, no overselling. It also offers clean UI, responsive support, and mobile-friendly access that works smoothly on any browser.

Key Highlights:
- Real-time inventory sync across all major sales channels
- Multi-location inventory tracking
- Easy-to-use purchase orders and stock transfers
- Advanced bundle + component tracking
- Optimized for mobile browsers
Pros:
- Simple onboarding and intuitive UI
- Reliable sync speed (no more overselling)
- Affordable for small to mid-sized teams
- Responsive customer support
Cons:
- Fulfillment workflows managed outside the app
- Forecasting module still evolving
Pricing: Starts at $49/month
2. Zoho Inventory
Zoho Inventory is a feature-packed solution that integrates well with the broader Zoho suite. It’s a good fit for businesses already using Zoho CRM or Books and want to keep everything in one ecosystem. The multichannel functionality covers major platforms like Shopify, Amazon, eBay, and Etsy.

Key Highlights:
- Syncs with Shopify, Amazon, Etsy, eBay, and more
- Built-in order and warehouse management
- Barcode scanning, shipping integrations, and reporting
- Strong integration with Zoho ecosystem (CRM, Books, etc.)
Pros:
- Comprehensive feature set for SMBs
- Great value in Zoho bundle
- Mobile app available
Cons:
- UI can feel cluttered
- Heavily reliant on Zoho ecosystem for full power
- Limited advanced forecasting
Pricing: Free for up to 50 orders/month; Paid plans start at ~$59/month
3. Cin7 Core (formerly DEAR Systems)
Cin7 Core is a powerhouse for inventory-heavy operations. It goes beyond stock syncing by offering deep manufacturing, B2B, and accounting capabilities. If you have complex workflows or need granular control over costs, Core delivers.

Key Highlights:
- Multichannel sync across Shopify, Amazon, WooCommerce, and more
- Batch tracking, BOM, manufacturing, and warehouse management
- Built-in accounting and reporting tools
- Integrates with Xero, QuickBooks, and more
Pros:
- Handles complex workflows (manufacturing, wholesale, etc.)
- Flexible, powerful backend
- Scalable for fast-growing brands
Cons:
- Steep learning curve
- Setup and onboarding can take time
- Pricey for small teams
Pricing: Starts at ~$349/month
4. Katana Cloud Inventory
Katana offers a beautifully designed interface that appeals to DTC and light manufacturing brands. It balances ease of use with power, letting you manage inventory, production, and sales channels from one place.

Key Highlights:
- Real-time inventory and order tracking
- Shopify-native integration with support for Amazon and WooCommerce
- Simple production scheduling and raw material tracking
- Visual dashboards and smooth UI
Pros:
- Modern interface and fast setup
- Perfect for maker brands or small manufacturers
- Great Shopify integration
Cons:
- Multichannel support needs 3rd-party tools (for some platforms)
- Not ideal for high-SKU or warehouse-heavy brands
Pricing: Starts at $99/month
5. Unleashed Software
Unleashed is built for businesses that need robust cost control and manufacturing features alongside multichannel sales. It’s not the flashiest UI, but its powerful backend tools appeal to more operations-focused teams.

Key Highlights:
- Multichannel sync via integrations
- Batch, serial number tracking and BOM
- Real-time inventory and margin reports
- Integrates with Shopify, Amazon, Xero, and others
Pros:
- Highly detailed cost and inventory control
- Strong manufacturing and wholesale support
- Scales well with operational complexity
Cons:
- Outdated UI
- Takes time to implement fully
- Requires integrations for multichannel functionality
Pricing: Starts at ~$349/month
6. SKULabs
SKULabs combines inventory, order management, barcode picking, and shipping into a single platform. If you're looking for fulfillment-friendly inventory software with native multichannel support, this one’s worth a look.

Key Highlights:
- Real-time multichannel inventory sync
- Barcode-based picking and shipping
- Built-in order routing and packing workflows
- Integrates with Shopify, Amazon, Walmart, eBay, and more
Pros:
- All-in-one tool for inventory + fulfillment
- Great for warehouse teams
- Quick onboarding
Cons:
- UI can feel dated
- Reporting tools are limited
- Pricing may be high for smaller sellers
Pricing: Starts at ~$299/month
7. Linnworks
Linnworks is known for automation and deep rule-based workflows, making it a favorite for mid-sized brands juggling lots of marketplaces and warehouse rules. It offers high customization at scale but it comes with complexity.

Key Highlights:
- Centralized inventory sync across 70+ integrations
- Order routing, shipping automation, and rules engine
- Reporting and forecasting modules
- Built for scaling brands with volume
Pros:
- Powerful automations
- Scales with complexity
- Wide range of integrations
Cons:
- Expensive (custom pricing)
- Can feel overwhelming to set up
- Not suited for small teams
Pricing: Custom pricing (often starts around $500+/month)
8. Finale Inventory
Finale is designed for high-volume sellers and warehouses that need advanced inventory control, barcode tracking, and multi-location capabilities. It supports multichannel sync and shines in warehouse-heavy operations.

Key Highlights:
- Multichannel sync with Shopify, Amazon, eBay, Walmart, and more
- Barcode scanning and warehouse operations
- Batch and serial number support
- Restocking and reorder alerts
Pros:
- Great for warehouse-centric workflows
- Accurate inventory control
- Scalable for high SKU counts
Cons:
- Dated interface
- No manufacturing module
- Requires training for full use
Pricing: Starts at $99/month
9. Ordoro
Ordoro is a reliable choice for brands that want to manage inventory and shipping from one dashboard. It supports real-time inventory sync across major channels like Shopify, Amazon, eBay, and Walmart.

Key Highlights:
- Multichannel inventory sync (Shopify, Amazon, eBay, Walmart, etc.)
- Built-in shipping with discounted USPS/UPS labels
- Kitting and bundling support
- Barcode scanning and pick/pack/ship workflows
- Automation rules for routing, tagging, and dropshipping
Pros:
- Combines inventory and shipping in one tool
- Clean UI with fast onboarding
- Flexible for both in-house and dropship workflows
- Helpful customer support
Cons:
- Some features locked behind higher-tier plans
- No advanced manufacturing or forecasting modules
- Mobile experience is limited to desktop browser view
Pricing: Starts at $349/month (Essentials plan)
10. Brightpearl (by Sage)
Brightpearl is a full ERP-style platform built for retail and multichannel commerce. It offers real-time inventory, accounting, POS, and automation features, making it ideal for businesses that want everything in one place.

Key Highlights:
- Centralized inventory, order, and accounting system
- Multichannel support including POS, marketplaces, and DTC
- Powerful automation engine
- Scalable architecture with retail focus
Pros:
- Full business management suite
- Great for omnichannel brands
- Strong automation tools
Cons:
- Expensive for small teams
- Longer onboarding time
- Overkill for simple operations
Pricing: Custom pricing (mid to high-tier brands)
Conclusion
Managing inventory across multiple sales channels doesn’t have to feel like a game of whack-a-mole. With the right software, you can confidently sync stock, avoid overselling, and streamline operations across platforms like Shopify, Amazon, Walmart, eBay, and more.
Each of the tools on this list brings something unique, whether it’s Sumtracker’s real-time sync and mobile-friendly experience or Orderhive’s clean simplicity. The best fit ultimately depends on your business size, complexity, and future growth plans.
If you're tired of patchwork solutions and want a fast, reliable system that just works, now’s the time to invest in a tool that keeps your inventory accurate and your team stress-free.
FAQS
What is multichannel inventory management software?
Multichannel inventory management software helps you track, update, and sync stock levels across multiple sales platforms like Shopify, Amazon, eBay, and Walmart in real time. It prevents overselling, stockouts, and manual errors.
How do I know if my business needs multichannel inventory software?
If you’re selling on more than one platform and struggling with inventory discrepancies, overselling, or fulfillment delays, it’s time to switch to a multichannel inventory solution.
Which app is best for small Shopify sellers expanding to Amazon or Etsy?
Sumtracker is a great choice for small to mid-sized brands expanding beyond Shopify. It offers real-time multichannel sync, easy onboarding, and affordable pricing—without unnecessary complexity.
Is it possible to use these tools on mobile or tablets for warehouse teams?
Yes. Apps like Sumtracker are optimized for mobile browsers, making it easy to check inventory, create stock transfers, or manage POs from your phone, great for teams on the go.
Conclusion
Ready to Simplify Your Inventory Management?
Join hundreds of e-commerce merchants who rely on Sumtracker to save time, eliminate errors, and grow their business.