MerchVault

MerchVault is a mobile app for iOS and Android that sends drop, restock and price-drop alerts for music merch, vinyl and collectables. The seller says it covers 800+ stores, about half artist, label and record shops and half collectables retailers such as Pop Mart, Topps, LEGO and Pokémon Center, across the UK, Europe, North America, Australia and Asia. The free tier allows alerts for up to three stores. Premium plans, Music at £4.99/month, Collectables at £7.99/month or both at £9.99/month, with yearly options, add keyword-filtered alerts, store requests, Wingman tasks and catalogue scans, and price-drop alerts. Premium payments are not refunded, apart from a one-hour grace period for accidental payments.