Rocket Source vs Size The Market
Visual Comparison
Rocket Source

Size The Market

Overview
About Rocket Source
You don't have time to manually check every SKU in a supplier catalog. Rocketsource rips through your entire file and pulls live Amazon data - buybox prices, FBA fees, sales rank, offer counts, eligibility flags - so you see real profit margins, not estimates.
Upload any supplier spreadsheet. AI maps your columns automatically. Results come back with 50+ data points per product: actual FBA fees from Amazon's API, Keepa price history, competition breakdown, hazmat and restriction flags. Filter to your buy criteria in seconds.
Full API access included with the Scale plan. Build your own automations, connect to your inventory systems, or integrate with your existing sourcing workflows. No extra charge.
Block problem brands and ASINs permanently. Share workspaces with your team. Export to Google Sheets or Excel. Works across 18 Amazon marketplaces. Handles 500K+ row files in your browser.
Stop guessing. Stop overpaying for inventory that sits. See what's actually worth buying.
About Size The Market
SizeTheMarket.com is an advanced Competitive and Market Intelligence platform designed for ecommerce brands, retailers, and agencies that need accurate and real time visibility into the market landscape. It automatically monitors competitor prices, promotions, product availability, MAP violations, and changes in category positioning while providing clear insights into emerging trends. The platform also includes specialized calculators such as MAP Violation Impact, Price Optimization, and Market Sizing, enabling immediate and informed commercial decisions. With refined visual dashboards, automated alerts, and complete intelligence workflows, SizeTheMarket.com helps businesses protect brand value, increase profit margins, optimize pricing strategies, and capture greater market share through precise and data driven analysis.