Looking for the best eBay competitor research tools in 2025?
eBay, as a marketplace, is incredibly competitive. It has plenty of sellers fighting for buyers’ attention across most niches. Did you know the same sellers can be your key to discovering winning products that are already proven to sell?
With eBay competitor research, you can identify the strategies working for these merchants and even see the suppliers they use to source their inventory.
Below, you’ll find the top eBay competitor research tools that help you analyze successful sellers and use their data to build your own profitable business.
Comparison Table: eBay Competitor Research Tools
| Tool | Monthly Pricing | Best For |
| ZIK Analytics | $39.99 | eBay product research and competitor analysis with full visibility |
| Terapeak | Free | Basic eBay competitor research with official data |
| Algopix | $29 | eBay competitor profit estimation and store analysis |
| AutoDS | $26.90 | eBay competitor ad spying and product tracking |
| SaleHoo | $9 | Basic eBay competition insights and supplier sourcing |
| Dropship.IO | $39-99 | Limited eBay competitor research for dropshippers |
| Flipmine | $59 | eBay pricing analysis and arbitrage competitor tracking |
1. ZIK Analytics
ZIK Analytics is the best eBay competitor research tool because it gives you complete visibility into what other sellers are doing. You can spy on competitors to see their sales overview, active listings, feedback scores, and top-selling products. The tool also helps you find supplier sources for competitor’s best items and includes eBay listing optimization features to improve your own performance.
Pros
- Complete competitor sales data including revenue and sell-through rates
- See which competitor listings actually convert to sales
- Find supplier links for competitor’s profitable products
- Bulk scanner analyzes entire competitor stores at once
- Built-in eBay listing optimization and title builder tools
Cons
- Feature-rich interface may overwhelm new users
- Requires ongoing subscription to access competitor data
Pricing
ZIK offers a free trial for 7 days, with paid plans beginning at $39.99 per month.
2. Terapeak
Terapeak is eBay’s built-in competitor research tool that shows you what other sellers are doing in your market. You can see how much competitors sold items for, which products are popular, and how fast things sell. It uses real eBay sales data to help you understand your competition and find profitable products to sell online.
Pros
- Official eBay tool so data is accurate
- Free access with your eBay seller account
- See what prices competitors are getting for products
- Shows real sales data from actual eBay transactions
- Track which items sell fast vs slow
Cons
- Only works for eBay
- Only shows past sales (not current competitor activity)
- Interface looks outdated and can be confusing
- Some users report the data isn’t as reliable lately
- Customer support can be slow to respond
Pricing
Free for everyone with a registered eBay account.
3. Algopix
Algopix helps you spy on your eBay competitors by showing you their sales estimates, pricing strategies, and profit margins. You can analyze individual products or entire competitor stores to see what’s working for them. The tool makes eBay competitor analysis easy by giving you detailed reports on any product or seller you want to research.
Pros
- Chrome extension works while browsing eBay
- Analyze any competitor’s entire store with one click
- Estimates how much money competitors are making
- Upload files to research many products at once
- Shows how many other sellers compete for each product
Cons
- Free plan only gives you 10 searches per day
- Can’t automatically upload products to your eBay store
- Costs more than other eBay’s own tool
- Interface has lots of features that might confuse beginners
- Need to manually copy competitor product info
Pricing
Free plan with 10 daily competitor searches. Paid plans start at $29 per month.
4. AutoDS
AutoDS is an eBay dropshipping platform that includes competitor research capabilities. It lets you spy on competitor ads across social media platforms like TikTok and Facebook to find trending products. You can also access their hand-picked products hub, which shows proven best-sellers that are generating revenue for other merchants.
Pros
- Works as an eBay spy tool to monitor competitor ads and products
- Curates a list of best-sellers from successful competitors
- Tracks trending products through ad performance analytics
- Filters competitor ads by engagement, likes, and interaction rates
Cons
- Takes time to learn if you’re new to automation tools
- Gets more expensive as you add more products to track
- Best competitor research features cost extra on premium plans
- Focuses heavily on automation which might not suit everyone
- Sometimes has delays when syncing competitor data
Pricing
Plans start at $26.90 per month for monitoring 200 products and basic competitor research features.
5. Salehoo
SaleHoo is primarily a supplier directory, but it includes some basic competitor research features through their Market Research Lab. You can see how much competition exists for specific products on eBay, check what prices competitors are charging, and identify which products have low competition levels. However, it’s more focused on product sourcing than deep competitor analysis.
Pros
- Shows competition levels for products across eBay
- Reveals pricing strategies used by other sellers
- Identifies low-competition product opportunities
- Access to vetted supplier directory with 8,000+ suppliers
- Beginner-friendly platform with training resources
Cons
- Limited competitor analysis compared to dedicated spy tools
- Can’t analyze individual competitor stores or seller performance
- Basic market insights may not be detailed enough for advanced users
- Focuses more on supplier sourcing than competitor intelligence
- Membership fee required to access research tools
Pricing
Plans start at $9 per month billed annually for access to the tools.
6. Dropship.io
Dropship.io is a product research tool with some competitor analysis features. You can use it to see who else is selling the same products you’re considering, investigate how competitors market their items, check what apps they use on their stores, and get insights into their revenue performance. However, it’s mostly suitable for eBay dropshipping rather than competitor analysis.
Pros
- Research trending products that could work on eBay
- Chrome extension for automatically saving Facebook ads
- Product database shows revenue potential for items you want to sell
- Track competitor eBay marketing strategies and store performance
Cons
- Limited eBay-specific competitor data since it focuses on Shopify
- Higher pricing compared to other tools
- Data accuracy issues with incorrect sales figures
- Billing and cancellation problems reported by users
Pricing
Plans range from $39 to $99 per month depending on features.
7. Flipmine
Flipmine helps you find cheap stuff on eBay that you can buy and resell for more money somewhere else. It scans millions of eBay listings to find products that are priced way below what they sell for on Amazon or other sites. While it’s not really a competitor research tool, you might discover pricing strategies that other flippers are using.
Pros
- Scans 2 million eBay listings for arbitrage opportunities daily
- Lightning-fast search results delivered in under 2 seconds
- Extensive filtering system to narrow down profitable products
- Cross-platform price comparison between eBay and Amazon
Cons
- Prone to false leads when eBay sellers list incorrect product details
- No automation means you handle all buying and reselling manually
- Requires knowledge of fees, shipping costs, and product conditions
- High competition for obvious profitable deals
- Overly broad searches can flood results with poor opportunities
Pricing
Has only one price plan for $59 per month and a 7-day free trial.
What is eBay Competitor Research?
eBay competitor research is the process of analyzing rival sellers to see what products they sell, how they price them, and how their listings perform. It often includes tracking sales volume, sell-through rates, and top-selling items, plus reviewing titles, descriptions, and keywords.
Some sellers also look into where competitors source products, which helps them narrow down supplier options. You can also use this research to refine your own pricing and listing strategies.
What is eBay Competitor Research Tool?
An eBay competitor research tool is software that analyzes competitor performance, tracks best-selling products, and identifies profitable opportunities for eBay sellers.
It works by scanning competitor stores when you enter their seller ID, revealing their top products, sales data, and pricing strategies. This gives you real market intelligence to make informed decisions about what to sell on eBay and how to price competitively.
Why is eBay Competitor Analysis Important?
eBay competitor analysis is important for a variety of reasons. These include:
- Finding winning products: You can see what items are selling well for your competitors and add similar products to your own store.
- Setting competitive prices: Compare what others are charging so you can price your items to attract buyers while still making a good profit.
- Discovering market opportunities: Find product categories where there’s less competition and you can potentially make higher profits.
- Improving your listings: Study how successful sellers write their descriptions and use keywords to get better visibility in eBay search results.
- Staying current with trends: Keep an eye on what competitors are adding to their inventory so you can adapt your strategy before the market shifts.
How to Perform eBay Competitor Analysis?
You can perform eBay competitor analysis in 5 easy steps:
- Find your competitors: Search for products like yours on eBay and identify sellers who consistently appear in the top results or have high sales volumes in your niche.
- Analyze their best-selling products: Use tools like ZIK Analytics or eBay’s Seller Hub to see which items generate the most revenue for your competitors and how often they sell.
- Evaluate their pricing strategies: Compare how competitors price similar items, including any promotions, bulk discounts, or shipping offers they use to attract buyers.
- Review their listings: Examine how successful sellers write their titles and descriptions and use keywords to rank well in eBay search results.
- Monitor their performance: Check their feedback scores, sell-through rates, and inventory changes regularly to spot trends and adjust your own strategy accordingly.
What’s the Best eBay Competitor Research Tool?s
ZIK Analytics is the best eBay competitor research tool because it shows you what your competitors are selling and how much they’re earning. Unlike basic research, you get real sales data, revenue figures, and supplier links from successful sellers.
ZIK also reveals their top-selling products, pricing strategies, and feedback scores, plus combines competitor analysis with product research and dropshipping automation for a complete selling strategy.
Frequently Asked Questions About Best eBay Competitor Research Tools?
In this section, I’ll answer the frequently asked questions about eBay competitor research tools.
How to find competitors on eBay?
You can find competitors on eBay using tools like ZIK Analytics. It shows you what other sellers are listing, how many sales they make, and even where their products come from. By checking competitors’ top-selling items and supplier links, you can spot trends faster and decide how to position your own store.
What is Terapeak research on eBay?
Terapeak Research on eBay is built into Seller Hub. It provides sales data, pricing details, and demand insights across millions of products. With this information, sellers can evaluate niches more effectively and pick the best things to sell on eBay for profit while avoiding products with low demand.
Did eBay buy Terapeak?
Yes, eBay bought Terapeak back in December 2017. The tool was known for giving sellers data on pricing, demand, and market trends. After the deal, Terapeak’s team and features were rolled into eBay’s seller tools. Today, much of what Terapeak offered is built directly into eBay and available to sellers.