CompareDock – Price Comparison & Price Alerts

Add a product from one store and CompareDock finds the same product in the others, then shows a clean comparison with direct links. Visitors can open a price history chart and ask for an email when the price drops.

What you get

• Amazon, eBay and Walmart (via SerpApi). Amazon in 21 countries and eBay in 17 sites. Walmart (US). More stores are coming soon.
• Paste a link or type a name. The product is matched on the other stores automatically.
• 10 ready designs (offer list, collapsible box, table, best offer, boxes, mini list, side-by-side, ranking, swipe cards, deal banner). Each design has its own template file and CSS file and can be overridden from your theme.
• Price history with a smooth chart, 30 / 90 day / all-time views, lowest and average price and a “good time to buy” hint.
• Price alerts. Visitors choose a target price and get an email when it is reached. One-click unsubscribe.
• Block, widget and shortcode. Use the “Price comparison” block, the widget, or [comparedock template="compare"].
• Bulk import with categories, tags, scheduling (one post every N minutes), CSV upload and a review step.
• Automatic title, short description, long description and featured image, each with its own on/off switch.
• Affiliate links for Amazon Associates, eBay Partner Network and your own link template, with click counting.
• Quick compare on the dashboard and a friendly setup checklist.
• Optional schema.org Product markup, WooCommerce price sync, light / dark colour scheme.

Trademarks. Amazon, eBay and Walmart are trademarks of their respective owners. This plugin is not affiliated with, endorsed by or sponsored by them.

External services

This plugin connects to third-party services only when you ask it to search for a product or refresh a price.

SerpApi (serpapi.com) – used to read product search results (title, price, image, link) from Amazon, eBay and Walmart. You add your own SerpApi key in the plugin settings. The product name or link that you enter is sent to SerpApi, together with your key. Nothing about your visitors is sent. Terms: https://serpapi.com/legal#terms-of-service – Privacy: https://serpapi.com/legal#privacy-policy

Product images – only when you turn on “Auto-set featured image” (off by default), one product image is downloaded from the store’s image host into your Media Library.

Emails – when a visitor creates a price alert, their email address and target price are stored in your own database and used only to send that alert. Alerts can be deleted from the plugin’s Price Alerts screen, with the unsubscribe link in every email, and through Tools > Export / Erase Personal Data. A suggested privacy policy text is added for you.