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Inventory Management

Best Inventory Management for Amazon Sellers

We reviewed 8 inventory management platforms purpose-built or well-suited for Amazon sellers, covering FBA sync, restock forecasting, multi-marketplace support, and pricing.

By Nventory Team|Updated Mar 8, 2026|15 min read
What to look for

What Amazon Sellers Should Look for in Inventory Software

1

FBA and FBM Inventory Sync

Your tool must reconcile inventory across Fulfillment by Amazon warehouses, your own fulfillment centers, and any FBM listings in real time. Look for automatic FBA inbound shipment tracking so you know exactly when units become available for sale.

2

Restock and Demand Forecasting

Running out of stock on Amazon can drop your BSR and take weeks to recover. The best tools analyze sales velocity, seasonality, and lead times to tell you exactly when and how much to reorder so you never miss a sales window.

3

Multi-Marketplace Support

If you sell on Amazon US, UK, EU, or other regional marketplaces, the software should manage inventory across all of them from a single dashboard without requiring separate accounts or manual adjustments per marketplace.

4

FBA Fee and Profitability Analytics

Amazon's fee structure is complex and changes frequently. Tools that calculate true per-unit profitability after FBA fees, referral fees, storage fees, and advertising costs help you make smarter decisions about which SKUs to restock and which to discontinue.

5

Supplier and Purchase Order Management

Coordinating with overseas suppliers requires lead-time tracking, container quantity planning, and landed-cost calculations. The best tools let you create and track purchase orders, set reorder points per supplier, and factor in shipping timelines from factory to FBA warehouse.

Top picks for 2026

8 solutions compared

1

Nventory

Top Pick

Nventory is a modern inventory and order management platform that connects to Amazon Seller Central alongside Shopify, eBay, and other channels. It provides a centralized stock view that reconciles FBA inventory, FBM listings, and your own warehouse quantities in real time.

From $79/mo
Best for:

Amazon sellers who also sell on Shopify or other channels and need a unified, real-time inventory hub.

Pros

  • Real-time sync with Amazon Seller Central updates FBA and FBM quantities within seconds
  • Unified dashboard shows inventory across Amazon, Shopify, and other channels in one view
  • No-code automation builder for restock alerts, low-stock notifications, and PO generation
  • Flat-rate pricing does not penalize you for high order volume or large SKU catalogs

Cons

  • Amazon-specific analytics (BSR tracking, PPC attribution) are less deep than Amazon-only tools
  • Restock forecasting uses velocity-based models; machine-learning forecasting is on the roadmap
  • No built-in Amazon listing optimization or keyword research features
2

Sellbrite

Sellbrite is a multichannel listing and inventory sync tool owned by GoDaddy. It makes it straightforward to list products on Amazon, eBay, and Walmart while keeping inventory quantities synchronized with your Shopify or standalone catalog.

From $29/mo
Best for:

Amazon sellers expanding to other marketplaces who want a simple, affordable listing and sync tool.

Pros

  • Easy-to-use listing tool that pushes products to Amazon, eBay, and Walmart in minutes
  • Automatic inventory sync prevents overselling across all connected channels
  • Affordable pricing with a free plan for up to 30 orders per month
  • Clean interface with minimal setup required for basic multichannel sync

Cons

  • No FBA inbound shipment planning or restock forecasting
  • Order management is basic with no routing, splitting, or automation rules
  • Does not calculate Amazon fee-adjusted profitability per SKU
3

Linnworks

Linnworks is an enterprise-grade multichannel commerce platform with deep Amazon integration. It supports all Amazon regional marketplaces and handles high-volume order processing with advanced warehouse and shipping management.

Custom pricing (typically $450+/mo)
Best for:

High-volume Amazon sellers processing thousands of orders daily across multiple marketplaces.

Pros

  • Supports all Amazon regional marketplaces including US, UK, EU, Japan, and Australia
  • Advanced macro engine automates order processing, inventory adjustments, and channel updates
  • Warehouse management features include bin locations, barcode scanning, and batch picking
  • Handles complex multi-component and bundle listings with automatic stock deduction

Cons

  • Pricing is volume-based and escalates significantly above 2,000 orders per month
  • Initial setup and macro configuration require substantial time and technical knowledge
  • Interface has a high information density that overwhelms new users
4

RestockPro

RestockPro by eComEngine is an Amazon-focused inventory planning tool that specializes in FBA restocking. It analyzes your sales data and Amazon's inventory performance metrics to recommend optimal reorder quantities and shipment timing.

From $69/mo
Best for:

FBA-focused sellers who need precise restock recommendations to avoid stockouts and excess storage fees.

Pros

  • Purpose-built FBA restock algorithm factors in lead times, sales velocity, and Amazon storage limits
  • Supplier management with purchase order creation and tracking
  • Overstock alerts help you avoid Amazon's long-term storage fees
  • Local inventory tracking for units in your prep center or in transit to FBA

Cons

  • Amazon-only; does not support Shopify, eBay, or other sales channels
  • No order management or fulfillment features beyond restock planning
  • Interface looks dated and navigation can be unintuitive for new users
5

SoStocked

SoStocked is an Amazon inventory forecasting and management tool designed by Amazon sellers. It focuses heavily on demand planning with customizable forecasting models that account for seasonality, promotions, and keyword ranking fluctuations.

From $158/mo
Best for:

Data-driven Amazon sellers who want granular control over demand forecasting models and restock timing.

Pros

  • Highly customizable forecasting with adjustable weights for seasonality, trends, and promotions
  • Transfer planning for moving inventory between FBA warehouses and your own locations
  • Cash flow projections tied to inventory purchase timing
  • Excess inventory management tools to minimize long-term storage fees

Cons

  • Amazon-only platform with no multichannel support
  • Learning curve is steep due to the number of configurable forecasting parameters
  • No shipping label generation, order management, or fulfillment features
6

InventoryLab

InventoryLab combines inventory management with accounting and product sourcing for Amazon sellers. Its Scoutify mobile app lets you scan products in retail stores and instantly see profitability after Amazon fees, making it popular with arbitrage and wholesale sellers.

From $69/mo
Best for:

Amazon arbitrage and wholesale sellers who source products in-store and need instant profitability analysis.

Pros

  • Scoutify mobile app provides instant profit calculations when scanning products at retail stores
  • Built-in accounting tracks COGS, fees, and profit at the transaction level
  • Listing workflow lets you create FBA shipments while scanning sourced products
  • Tax reporting features simplify end-of-year filings for Amazon sellers

Cons

  • Exclusively Amazon-focused with no support for other sales channels
  • Inventory forecasting and restocking features are minimal
  • Less useful for private-label sellers who do not source from retail or wholesale
7

Helium 10

Helium 10 is best known as an Amazon product research and keyword tool, but its Inventory Management module provides sales forecasting, restock suggestions, and supplier management. It appeals to sellers who want research and operations in a single subscription.

From $99/mo (inventory features in Platinum plan and above)
Best for:

Amazon private-label sellers who already use Helium 10 for research and want integrated inventory tools.

Pros

  • All-in-one platform combines product research, keyword tracking, and inventory management
  • Inventory Protector prevents coupon abuse by limiting order quantities per buyer
  • Restock suggestions based on sales velocity and configurable lead times
  • Large community and extensive training content for Amazon sellers

Cons

  • Inventory management is a secondary feature; less depth than dedicated inventory tools
  • Forecasting models are basic compared to SoStocked or RestockPro
  • Full feature access requires the Diamond plan at $279/mo, which is expensive if you only need inventory features
8

Extensiv (formerly Skubana)

Extensiv Order Manager is an enterprise operations platform that connects Amazon, other marketplaces, and direct-to-consumer channels into a single inventory and order management system. It excels at managing complex fulfillment networks spanning FBA, 3PLs, and owned warehouses.

Custom pricing (typically $1,000+/mo)
Best for:

Enterprise Amazon sellers with complex fulfillment networks spanning FBA, 3PLs, and owned warehouses.

Pros

  • Unified view of inventory across FBA, FBM, 3PL partners, and owned warehouses
  • Orderbot automation routes orders to the optimal fulfillment node based on configurable rules
  • Detailed unit economics and channel profitability analytics
  • Native 3PL integrations with major providers including ShipBob, Deliverr, and others

Cons

  • Annual contracts with pricing that starts above $1,000/mo make it inaccessible for smaller sellers
  • Implementation process is lengthy and often requires paid onboarding assistance
  • Feature set is broader than most Amazon sellers need unless they also sell DTC
At a glance

Quick comparison

SolutionReal-time syncMulti-warehouseOrder routingMobile appNo-code automationFree trialPricing
NventoryTOP PICKFrom $79/mo
SellbriteFrom $29/mo
LinnworksCustom pricing (typically $450+/mo)
RestockProFrom $69/mo
SoStockedFrom $158/mo
InventoryLabFrom $69/mo
Helium 10From $99/mo (inventory features in Platinum plan and above)
Extensiv (formerly Skubana)Custom pricing (typically $1,000+/mo)
Our pick

Why Nventory Works for Amazon Sellers

Most Amazon-specific tools lock you into a single marketplace. When you expand to Shopify, TikTok Shop, or wholesale, you end up running multiple disconnected systems. Nventory solves this by providing a single inventory hub that treats Amazon as a first-class channel while supporting every other place you sell, so your stock counts stay accurate everywhere without manual reconciliation.

Real-time Amazon Seller Central sync keeps FBA and FBM inventory accurate across all connected channels within seconds
Unified inventory view across Amazon, Shopify, and other channels eliminates the spreadsheet reconciliation that multi-channel sellers dread
Automated restock alerts trigger based on configurable velocity thresholds and supplier lead times so you reorder before stockouts hit your BSR
Flat-rate pricing means your software costs stay predictable during peak seasons when order volume spikes
Open API lets you build custom integrations with Amazon PPC tools, repricing software, or any other service in your tech stack

Frequently asked questions

Yes, when configured correctly. The best tools monitor your sales velocity and supplier lead times to alert you (or automatically generate purchase orders) before stock runs out. The key is setting accurate lead times that account for manufacturing, shipping, and Amazon's FBA receiving delays, which can add 1-3 weeks during peak periods.
You need a tool that supports Amazon's regional marketplace APIs. Platforms like Nventory, Linnworks, and Extensiv connect to each marketplace independently and let you view aggregate or per-marketplace stock from a single dashboard. If you use Amazon's Pan-European FBA or Remote Fulfillment programs, make sure the tool can reconcile inventory that Amazon distributes across its EU fulfillment centers.
FBA-specific tools like RestockPro and SoStocked focus on restock planning, storage-fee optimization, and shipment creation for Amazon's fulfillment network. General inventory management platforms like Nventory and Linnworks handle the broader picture: multi-channel stock sync, order routing, warehouse management, and purchase orders. If Amazon is your only channel, an FBA tool may suffice. If you sell elsewhere too, a general platform is more efficient.
Third-party tools connect to Amazon's Selling Partner API (SP-API) to pull FBA inventory data including available, inbound, reserved, and unfulfillable quantities. Most tools poll the API at regular intervals or listen for event notifications. The sync frequency varies: some tools update every 15 minutes, while platforms like Nventory offer near-real-time sync.
Generally, no. Inventory management and repricing are distinct functions that require different specializations. Repricing tools like RepricerExpress and BQool are purpose-built for competitive pricing algorithms. Inventory tools manage stock levels and orders. Most sellers get better results using a dedicated repricer alongside an inventory management platform that syncs data between them via API.
Long-term storage fees apply to units stored in FBA for more than 365 days. Inventory management tools help by tracking inventory age, alerting you to aging stock, and running excess-inventory reports. You can then create removal orders, run promotions to clear slow movers, or adjust restock quantities to avoid sending more than you can sell within a year.
Even FBA-only sellers benefit from inventory software once they manage more than 50 active ASINs. Amazon Seller Central's built-in restock recommendations are useful but limited. Dedicated tools offer better forecasting, supplier management, and profitability tracking. If you plan to add a second channel in the future, starting with a multichannel tool like Nventory avoids a painful migration later.
Yes. Tools like InventoryLab, Extensiv, and Nventory let you record COGS, shipping costs, and import duties at the SKU level. Combined with Amazon's fee data (referral fees, FBA fees, storage fees), these tools calculate true net margin per unit. This is critical for making informed restocking decisions, especially for sellers importing from overseas where landed costs vary by shipment.

Picking the Right Inventory Tool for Your Amazon Business

The right inventory management tool depends on whether Amazon is your only channel or one of many. FBA-only sellers who want deep restock forecasting should evaluate RestockPro or SoStocked. Arbitrage and wholesale sellers who need in-store scanning and accounting will find InventoryLab invaluable. For sellers who sell on Amazon alongside Shopify, their own website, or other marketplaces, Nventory provides the best balance of real-time multichannel sync, automation, and predictable pricing. Enterprise sellers with complex 3PL networks may need the depth of Extensiv or Linnworks. Whatever you choose, the cost of a stockout on Amazon -- lost BSR, suppressed listings, and weeks of recovery -- almost always exceeds the monthly cost of proper inventory software.