HTTP Sniffer is a manual web security testing tool which can capture HTTP requests, include request headers, post data, and you can modify the request and then resend them.
You can get the response headers and source code only, or load the response in web browser.

Notice:
1. Using HTTP Sniffer requires network connection, and Wi-Fi network is preferred.
2. HTTP Sniffer will not capture the requests of other applications, it capture the requests of its own only.
3. HTTP Sniffer is designed for web security professionals only, used for web security penetration testing, such as SQL Injection, Cross-site Scripting(XSS) etc.

Key features:
1. HTTP (Get, Post etc.) Sniffer;
2. HTTP request replay (resend);
3. HTTPS support.

App Store: http://itunes.apple.com/us/app/http-sniffer/id451037645?ls=1&mt=8