There are many tools available online that provide a competitive edge to track your ad campaigns on applications, mobile websites, and popups. It is important to understand what ad trends are making it big in the market so you can use them for your products and services. AdPlexity and PowerAdSpy provide spy tools. While AdPlexity is a lot expensive than PowerAdSpy, there are many reasons why one should prefer it over the other. AdPlexity has different prices for each tool package, while PowerAdSpy provides an all-in-one price. Compare the tools here to find out what works the best for you.