See it in the extension store
Price tracking
Unified price history with trend indicators across supported sites.
Price tracking and shopping assistant
AuctionMate is a browser extension that tracks prices, alerts you to changes, and keeps your watch lists tidy across marketplaces. It is a shopping assistant that changes the way you track online listings.
Secure & private by design
- Real-time price history and deltas
- Instant change alerts and background checks
- Multi-platform offer tracking, filters, exclusions, notes, and more
- Minimal permissions, encrypted requests
Supported platforms
Major marketplaces, classifieds, and online stores — the list keeps growing.
Key features of AuctionMate
Full control over prices and notifications – completely for free. See Pro features for tags, filters, percentage changes, and more.
Price charts
Interactive 60-day price charts — see whether a deal is real before you buy.
Alerts
Browser and push alerts when prices on your watched listings change, so you never miss an update.
Notes & highlights
Attach notes, highlight locations or titles, and keep your own signals.
Exclusions
Hide clutter and resurface only the listings that matter. Excluded items won't appear in site search results and can be restored at any time.
Background price checks
Background checks run in the background, even when you are not browsing listings.
How does the extension work? – See AuctionMate in action
Media preview
AuctionMate Pro – Unlock Advanced Capabilities
Enhance your browsing with AuctionMate Pro and gain access to features designed for true bargain hunters:
Price Changes in Percentages
Clear percentage differences instead of simple arrows – for faster decision-making.
Smart Exclusion
Automatically filter listings based on your own defined rules and highlights. Excluded items will no longer appear in search results and can be restored on demand.
Seller Highlighting
Instant identification of trusted or prominent sellers based on defined criteria.
Enhanced Management
Easily filter and sort your watch list and excluded listings to quickly find what matters most. Perfect for managing large volumes of items.
Listing tags
Labels you define (name + color) for watched and excluded listings — scan faster, filter by tags, and keep the same context in alerts.
Improved notes
Floating notes and notes that open automatically on the listing page — always visible and within reach while you browse or update your notes.
PRO Plan
For individual users.
BUSINESS Plan
Required for commercial use after a 30-day free trial. Contains all PRO features.
Safe payments via Stripe®. No automatic renewals. 3-day satisfaction guarantee or your money back.
To activate AuctionMate PRO, log in to the browser extension and visit the "Account" section (available after logging in) or "GO PRO" in the plugin menu.
Trust and transparency
No third-party trackers or profiling — you stay in control.
Privacy-first
We only read listing data visible on the page. The extension does not run on login, account, or checkout pages.
Minimal permissions
Features stay under your control with minimal permissions. You can enable or disable background price checks anytime.
No data manipulation
Transparent updates, no data manipulation. What you see is exactly what happens.
No affiliate link injection
We do not inject affiliate links and we do not rewrite your links for commission. Shared or copied links stay unchanged.
Reviews
Feedback from users who rely on price accuracy and privacy (collected from Firefox, Chrome, and Edge web stores).
AuctionMate by the numbers
Measured across the live user base; refreshed frequently.
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Happy users
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Supported platforms
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Added price entries processed daily
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Price alerts fired per month
Frequently asked questions
Which marketplaces does extension support?
AuctionMate supports a wide range of platforms, including: Amazon, eBay, OLX, Vinted, Allegro, Kleinanzeigen, AutoScout24, MediaMarkt, X-Kom, Otodom, Otomoto, Adresowo, Empik, Gumtree, Notino, Copart, and IAAI. This list is constantly being updated as we add support for more platforms.
Which browsers does the extension support?
AuctionMate currently works on Google Chrome, Firefox, Brave, Opera, Edge, and Vivaldi. Safari is not supported yet — we're working on a macOS version and plan to add support in the future. Once it's ready, we'll announce it on the website and in extension updates.
Is AuctionMate free to use?
The core features of AuctionMate are free for individual users. PRO and BUSINESS plans are available for advanced or commercial use. Commercial use requires a BUSINESS subscription after a 30-day trial period. More details can be found in the AuctionMate Pro section and in the documents linked in the footer.
How do price alerts work?
Enable browser notifications to receive push alerts, or open the AuctionMate panel which includes Alerts section. We only notify you about changes in listings you're watching.
How do I install and use the extension?
Open your browser’s extension store and add AuctionMate. After installation, visit any supported site — AuctionMate starts automatically and helps you track the best deals. You can also click the extension icon in your browser toolbar to open the full-screen Dashboard.
Why is it called AuctionMate?
The name “AuctionMate” comes from its first focus — car auctions like Copart and IAAI. We later expanded to buy-now stores, classifieds, and platforms such as OLX and Vinted. Today it helps you track prices and shop smarter across many sites.
Support AuctionMate
Your support helps keep the project running and contributes to its further development.
Ready to try AuctionMate?
See it in the extension storeAuctionMate runs on desktop browsers only (Windows, macOS, Linux). Mobile browsers aren't supported.
Using for business? A BUSINESS subscription is required for commercial purposes after 30 days of free use. See more info in the section below and in the documents linked in the footer.