Cryptoradar - Find the best prices to buy or sell cryptocurrencies
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Crypto Price Tracker - An app for all your cryptocurrency needs!
Fetchee - Fetchee is a free price tracking wish list app that works with all online stores worldwide.
Bitdock - Track cryptocurrency price index in the MacOS menu bar
LoveSales - Find and save products you love, get alerted when they go on sale.