The best alternatives to Yellowbag are Waatcher, camelcamelcamel.com, and Fluctuate. If these 3 options don't work for you, we've listed a few more alternatives below.
Fluctuate is a great app for people that are constantly looking for the best deals online. The app will keep track of prices as they fluctuate. You can set a desired price and Fluctuate will notify you if the product drops below the threshold. All it takes is patience to find a good deal.
What's better than getting a coupon, deal or discount? Answer: Getting one without a third-party invading your privacy! With Glass It Price Tracker, you just tell Web Engineers the URL and they'll setup price tracking for you privately. Privacy + Discounts!