What are some alternatives?
When comparing Shopods and Camelcamelcamel, you can also consider the following products
Keepa - Price history charts and the option to be alerted on price drops for all Amazon sites.
Savelist - Found products you want but not ready to buy?
PriceAlarm.net - Quick price comparison in all Amazon and eBay shops. Price History and Price Tracker inclusive.
Penny Parrot - Get price drop alerts for products on Amazon as well as historical pricing to find the best deals.
Reviewbox - E-commerce data tool to monitor customer reviews, track online pricing, optimize AMS tools, and more from Amazon, Walmart, and other major online retailers.
Waatcher - Automatically buy on Amazon at your target price