Phantom Markdown automates compare-at prices for Shopify merchants. It uses real order history to calculate reference prices per compliance laws, including EU Omnibus Directive Article 6a. Select specific products or your entire store. The app runs daily, updates only valid variants, and logs every action. Avoid heavy fines for non-compliance. More regions coming soon.

• Auto-updates compare-at prices using real sales data — fully law-compliant.
• Detects the lowest past compareAt to set a legally valid reference.
• Protects your reference across deepening discount campaigns automatically.
• Automate by specific products or your entire store in one click.
• Track every update, skip, and failure with real-time progress and cron logs.