HttpWatch is described as 'HTTP viewer and debugger that integrates with IE and Firefox to provide seamless HTTP and HTTPS monitoring without leaving the browser window. It's available as a free edition and a PRO version that cost money and has additional features' and is an app in the development category. There are more than 10 alternatives to HttpWatch for a variety of platforms, including Windows, Linux, Mac, Google Chrome and Mozilla Firefox apps. The best HttpWatch alternative is Fiddler, which is free. Other great apps like HttpWatch are Google Chrome Developer Tools, HTTP Toolkit, Proxyman and Firefox Developer Tools.
It works with all browsers and desktop apps and the price is $79 in opposite to $399 for HttpWatch