RocketSource vs Seller Assistant: Which Wholesale Scanner is Right for You?
Choosing the right wholesale scanning tool can make or break your Amazon FBA business. Both RocketSource and Seller Assistant help Amazon wholesale sellers analyze supplier price lists, identify profitable products, and avoid costly mistakes—but they take very different approaches.
Seller Assistant is a comprehensive, all-in-one platform designed for sellers who do wholesale, online arbitrage, and dropshipping. It's feature-rich, includes browser extensions, and aims to be the only tool you need.
RocketSource is a focused wholesale scanner built specifically for analyzing supplier price lists. It prioritizes simplicity, value, and industry-leading free tools over feature bloat.
This honest comparison will help you decide which tool fits your business model, budget, and workflow. (Looking for a broader overview? See our guide to the best wholesale scanning tools in 2026.)
RocketSource homepage
Seller Assistant homepage
Quick Comparison Overview
| Feature | RocketSource | Seller Assistant |
|---|---|---|
| Free Tier | 50k products/week | Single lookups only |
| Starting Paid Price | $39/mo | $15.99/mo |
| Free UPC/ASIN Conversions | 50,000/week | Single lookups |
| Chrome Extension | No | Yes (Chrome, Firefox, Edge) |
| Bulk List Scanning | Yes | Yes |
| FBA Prep Database | Yes (140+ companies) | No |
| ISBN Converter | Yes | No |
| IP Alert Tool | No | Yes |
| Supplier Database | No | Yes |
| Target User | Dedicated wholesale sellers | Multi-model sellers |
Pricing Comparison
RocketSource Pricing
RocketSource pricing
| Plan | Price | Products/Month |
|---|---|---|
| Startup | Free | ~200,000 (50k/week) |
| Growth | $39/mo | 1,000,000 |
| Scale | $69/mo | Unlimited + API access |
What's included: All plans include access to free conversion tools (50,000/week), FBA Prep Database, and full scanning features. The free Startup tier is generous enough for many smaller wholesale operations.
Seller Assistant Pricing
Seller Assistant pricing (January 2026)
| Plan | Price | Key Features |
|---|---|---|
| Start | $15.99/mo | Basic features, 1 user |
| Pro | $29.99/mo | Full features, 1 user |
| Business | $41.99/mo | Full features, 3 users |
What's included: Browser extensions, IP Alert, Price List Analyzer, Restriction Checker.
The Verdict on Pricing
RocketSource offers a generous free tier that Seller Assistant can't match. You can scan up to 50,000 products per week without paying anything. When you need more, paid plans start at $39/mo vs Seller Assistant's $15.99/mo—but RocketSource's free tier may be sufficient for many sellers.
Seller Assistant includes more tools in the base price. If you'd otherwise pay for separate IP checking or supplier database tools, Seller Assistant's bundled approach might offer better overall value.
Winner: RocketSource for wholesale-only sellers (free tier is unbeatable). Seller Assistant if you need the full suite of features.
Free Tools: Where RocketSource Dominates
This is the biggest differentiator between the two platforms, and it's not close.
RocketSource Free Tools
| Tool | Weekly Limit |
|---|---|
| UPC → ASIN Converter | 50,000 |
| ASIN → UPC/EAN Converter | 50,000 |
| EAN → ASIN Converter | 50,000 |
| ISBN → ASIN Converter | 50,000 |
| FBA Prep Database | Unlimited access |
| FBA Calculator | Unlimited use |
Seller Assistant Free Tools
| Tool | Limit |
|---|---|
| UPC → ASIN Converter | Single lookup |
| ASIN → UPC Converter | Single lookup |
| IP Alert Lookup | Single lookup |
| ASIN Lookup | Single lookup |
The Verdict on Free Tools
RocketSource offers 50x more generous conversion limits. If you're processing wholesale price lists with thousands of UPCs, RocketSource's free tier alone might be sufficient for your needs.
Seller Assistant's free tools are useful for quick one-off lookups, but they're not practical for bulk conversion work.
Unique to RocketSource:
- ISBN → ASIN Converter: The only tool on the market offering this for book wholesalers
- FBA Prep Database: 140+ prep centers searchable by state—no competitor offers this resource
Winner: RocketSource, decisively.
Core Wholesale Scanning Features
Both platforms handle the essential wholesale scanning workflow: upload a supplier price list, and get back profitability analysis for each product.
What Both Tools Do Well
- Bulk price list analysis: Upload CSVs with thousands of SKUs
- Profit calculations: Net profit, ROI, margin percentages
- Fee estimation: Accurate FBA fee calculations
- BSR data: Best Seller Rank for demand estimation
- Competition analysis: Number of FBA/FBM sellers
- Restriction checking: Identifies gated categories and brands
Where RocketSource Excels
- Speed: Optimized specifically for wholesale list processing
- Simplicity: Clean interface without overwhelming feature menus
- ISBN support: Essential for book wholesale sellers
- FBA Prep integration: Built-in prep center database
Where Seller Assistant Excels
- Data depth: More data points per product
- IP Alert integration: Check for intellectual property complaints inline
- Variation handling: Better analysis of parent/child variations
- Historical data: More extensive sales history tracking
Browser Extensions: Seller Assistant's Advantage
This is where Seller Assistant has a clear lead. They offer browser extensions for Chrome, Firefox, and Edge that overlay product data directly on Amazon pages.
What Seller Assistant's Extension Does
- Shows profit calculations on Amazon product pages
- Displays BSR, competition, and restriction data
- Enables one-click product research while browsing
- Works on supplier websites for price comparison
RocketSource's Approach
RocketSource doesn't offer a browser extension. The platform is built around batch processing of supplier lists rather than individual product research.
Does This Matter?
It depends on your workflow:
- If you spend time browsing Amazon or supplier sites looking for products, a browser extension is valuable
- If you primarily work from supplier price lists (the traditional wholesale model), you don't need on-page overlays
- Many sellers use a free extension like SmartScout's for browsing, then RocketSource for list analysis
Winner: Seller Assistant, though it's only relevant if you do on-page product research.
Where Seller Assistant Wins
Let's be honest about what Seller Assistant does better:
1. Browser Extensions
Three-browser coverage for on-page research is a genuine advantage for sellers who need this functionality.
2. IP Alert Database
Built-in intellectual property complaint checking helps avoid products with legal risks. RocketSource doesn't offer this.
3. Supplier & Warehouse Databases
Seller Assistant includes tools for finding suppliers and warehouses. Useful for sellers still building their supplier network.
4. Multi-Model Support
If you do wholesale, online arbitrage, AND dropshipping, Seller Assistant's single platform covers all three.
5. Content & Education
Seller Assistant maintains an active blog with guides, tutorials, and strategy content. Their educational resources are extensive.
Best For: Sellers who want a single platform for multiple business models, need browser extensions for on-page research, or value built-in IP checking.
Where RocketSource Wins
1. Free Tier
Generous free tier with 50k products/week. Many sellers never need to upgrade. You're not paying for features you don't need.
2. Free Tool Limits
50,000 conversions per week vs. single lookups. This alone can save hundreds of dollars annually in conversion tool costs.
3. ISBN Converter
The only wholesale scanning tool with ISBN → ASIN conversion. If you work with book wholesalers, this is essential.
4. FBA Prep Database
Exclusive resource with 140+ FBA prep centers, searchable by state and service type. No competitor offers this.
5. Focus
RocketSource does one thing—wholesale list scanning—and does it well. No feature bloat, no confusing menus, no paying for tools you won't use.
6. Speed
Purpose-built for batch processing, RocketSource handles large supplier files efficiently.
Best For: Dedicated wholesale sellers who want maximum value, book wholesalers, sellers who prioritize simplicity, and anyone who needs bulk UPC/ASIN conversions.
Who Should Choose RocketSource?
RocketSource is the better choice if you:
- Focus exclusively on wholesale: You analyze supplier price lists, not individual products on Amazon
- Sell books wholesale: ISBN converter is essential and unique to RocketSource
- Want the best free tools: 50,000 weekly conversions crushes any competitor
- Want to start free: 50k products/week at no cost beats any competitor
- Value simplicity: You want a focused tool, not a Swiss Army knife
- Need FBA prep resources: The 140+ company database is exclusive to RocketSource
Who Should Choose Seller Assistant?
Seller Assistant is the better choice if you:
- Run multiple business models: Wholesale + OA + dropshipping all in one platform
- Need browser extensions: On-page research is part of your daily workflow
- Want IP alert checking: Avoiding intellectual property issues is a priority
- Need supplier discovery: Still building your wholesale supplier network
- Prefer comprehensive features: You want every possible tool available, even if you don't use them all
Can You Use Both?
Yes, and some sellers do. A common setup:
- RocketSource for bulk list analysis and UPC/ASIN conversions (taking advantage of the free tier)
- Seller Assistant's extension for occasional on-page research
However, if budget is a concern, one tool is typically sufficient. Choose based on your primary workflow.
The Bottom Line
Both RocketSource and Seller Assistant are capable wholesale scanning tools. The right choice depends on your specific needs:
Choose RocketSource if you're a dedicated wholesale seller who wants the best free tools, lower pricing, and a focused scanning experience. The 50,000 weekly free conversions, unique ISBN converter, and exclusive FBA Prep Database make it the value leader for wholesale-focused sellers.
Choose Seller Assistant if you need an all-in-one platform with browser extensions, IP checking, and multi-model support. The higher price buys you a broader feature set and comprehensive educational resources.
For most wholesale-only sellers, RocketSource offers better value. The savings in subscription costs plus the generous free tools make it the smarter financial choice—without sacrificing the core functionality you need.
Try RocketSource Free
See why wholesale sellers are switching to RocketSource:
- 50,000 free conversions per week — no credit card required
- ISBN converter — the only one on the market
- FBA Prep Database — 140+ prep centers at your fingertips
- Free tier with 50k products/week — paid plans from $39/mo when you need more
Frequently Asked Questions
Is RocketSource better than Seller Assistant?
It depends on your needs. RocketSource is better for dedicated wholesale sellers who want lower costs and better free tools. Seller Assistant is better for multi-model sellers who need browser extensions and an all-in-one platform.
Does RocketSource have a Chrome extension?
No. RocketSource is built around batch processing of supplier price lists rather than on-page product research. Many sellers pair RocketSource with a free extension like SmartScout for browsing needs.
Can I try RocketSource before paying?
Yes. RocketSource offers free access to conversion tools (50,000/week) and the FBA Prep Database without any payment required.
How accurate is RocketSource's data compared to Seller Assistant?
Both tools pull from similar Amazon data sources. Core metrics like BSR, fees, and seller counts are comparably accurate. Minor differences may exist in refresh rates and historical data depth.
Is Seller Assistant worth the extra cost?
If you use the browser extensions, IP Alert, and multi-model features regularly, yes. If you only do wholesale list scanning, the extra cost doesn't provide proportional value.