One watchlist
Keep products from different UK retailers together with their latest price and availability.
Private trading-card stock tracker
Know when the listing you want changes.
Grand Line Watch monitors retailer pages, records price and stock history, and sends the alerts that matter to you.
Watch status
Monitoring active
OP-17 Booster Box
Pre-order
£94.95
Pokémon Booster Box
Out of stock
£109.99
One Piece Starter Deck
In stock
£11.99
Automatic checks
A dedicated background worker revisits tracked listings on your schedule and records each result.
Useful alerts
Create stock, pre-order, target-price, and failure alerts for the products that matter to you.
Simple setup
From product page to useful alert
1
Find a retailer product or paste its URL
2
Choose how often Grand Line Watch should check it
3
Add an alert and let the worker monitor it