Best Amazon FBA Inventory Tools (2026)

Best Amazon FBA Inventory Tools in 2026

Amazon's Seller Central provides basic inventory management, but serious FBA sellers need more: demand forecasting, restock limit optimization, and transfer planning. Here are the best tools.

Quick Recommendation

Best for Amazon + Shopify sellers: ReplenishRadar - Unified inventory planning across both channels with FBA-aware transfer suggestions.

Best for Amazon-only sellers: SoStocked or RestockPro - Purpose-built for Amazon-first workflows.

Top Amazon FBA Inventory Tools

1. ReplenishRadar - Best for Multi-Channel FBA Sellers

ReplenishRadar is built for sellers who sell on both Amazon and Shopify and need coordinated inventory planning.

Key strengths:

• Unified view of FBA, warehouse, and Shopify inventory
• Demand forecasting that accounts for both channels
• FBA transfer suggestions tied to restock limits
• Inbound shipment tracking
• Prevents Shopify from "stealing" inventory Amazon needs

Best for: Sellers on Amazon and Shopify who need one planning system for both.

Pricing: $29-$299/month. 14-day free trial.

2. SoStocked - Best Amazon-First Planning

SoStocked is built specifically for Amazon sellers with deep FBA workflow integration.

Key strengths:

• Amazon-centric forecasting
• FBA shipment planning
• Restock limit management
• Supplier lead time tracking

Limitations:

• Primarily Amazon-focused
• Less suited for multi-channel planning

Best for: Amazon-only sellers or those where Amazon is 90%+ of revenue.

Pricing: Custom quotes typical.

3. RestockPro - Best for FBA Replenishment

RestockPro focuses heavily on FBA restocking workflows and purchase order management.

Key strengths:

• FBA replenishment recommendations
• Supplier management
• Purchase order creation
• Sales forecasting for Amazon

Limitations:

• Amazon-centric
• Less multi-channel depth

Best for: Amazon sellers who want streamlined FBA restocking.

4. Veeqo (Amazon) - Best Free Option

Veeqo is Amazon's free shipping and inventory tool for Amazon sellers.

Key strengths:

• Free for Amazon sellers
• Shipping rate shopping
• Basic inventory management
• Order management

Limitations:

• Not a forecasting-first tool
• Basic inventory features
• Business model tied to Amazon shipping

Best for: Amazon sellers who want free shipping tools with basic inventory.

5. Inventory Planner - Best for Large Catalogs

Inventory Planner handles high SKU counts with detailed forecasting controls.

Key strengths:

• Sophisticated forecasting
• Large catalog support
• Multi-marketplace (including Amazon)
• Granular parameters

Limitations:

• Steeper learning curve
• Higher price point

Best for: Established Amazon sellers with 500+ SKUs.

Pricing: Starts around $99/month.

Comparison Table

Tool	Best For	Multi-Channel	FBA Focus	Price From
ReplenishRadar	Amazon + Shopify	Yes	Transfer planning	$29/mo
SoStocked	Amazon-only	Limited	Deep	Custom
RestockPro	FBA restocking	Limited	Deep	Varies
Veeqo	Free shipping/inventory	Some	Basic	Free
Inventory Planner	Large catalogs	Yes	Yes	~$99/mo

Key Features for FBA Sellers

Restock Limit Management

FBA limits are real constraints. Good tools help you:

• Track current limit utilization
• Prioritize high-velocity SKUs for limited space
• Plan shipments within constraints
• Identify SKUs hurting your IPI

Demand Forecasting

Amazon's built-in recommendations are often wrong. Look for:

• Sales history analysis
• Seasonality detection
• Trend identification
• Lead time awareness

Transfer Planning

When to send inventory to FBA:

• Based on sell-through rate
• Accounting for current FBA levels
• Considering inbound shipments
• Respecting restock limits

Multi-Channel Coordination

If you also sell on Shopify:

• Unified inventory view
• Coordinated forecasting
• Allocation between channels
• Prevent one channel from stockout-ing the other

How to Choose

Choose ReplenishRadar if:

• You sell on both Amazon and Shopify
• You need unified planning across channels
• FBA transfer timing is a challenge
• You want quick self-serve setup

Choose SoStocked if:

• Amazon is 90%+ of your business
• You want Amazon-first workflows
• Shopify is minimal or non-existent

Choose RestockPro if:

• FBA restocking is your main pain
• You want PO workflows for Amazon
• Amazon-centric planning fits your business

Choose Veeqo if:

• Budget is the primary concern
• You need shipping tools more than forecasting
• Basic inventory management is sufficient

Choose Inventory Planner if:

• You have 500+ SKUs
• You need granular forecasting controls
• You can invest in setup and learning

The Bottom Line

Amazon's Seller Central inventory tools are a starting point, not a solution. For serious FBA sellers:

• Multi-channel sellers: ReplenishRadar coordinates Amazon and Shopify in one system
• Amazon-only sellers: SoStocked or RestockPro offer deep Amazon workflows
• Budget-conscious: Veeqo is free with basic features

The right tool depends on whether you're Amazon-only or multi-channel, and whether you need forecasting or just inventory tracking.

Unify your FBA and Shopify inventory. Start a free ReplenishRadar trial and see FBA-aware transfer suggestions.

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Related Reading:

• Amazon FBA Inventory Limits Explained
• Amazon FBA Restock Strategies
• Multi-Channel Inventory Challenges