Burp Suite is described as 'Integrated platform for performing security testing of web applications. Its various tools work seamlessly together to support the entire testing process, from initial mapping and analysis of an application's attack surface, through to finding and exploiting' and is a vulnerability scanner in the security & privacy category. There are more than 25 alternatives to Burp Suite for a variety of platforms, including Windows, Linux, Mac, Web-based and iPhone apps. The best Burp Suite alternative is mitmproxy, which is both free and Open Source. Other great apps like Burp Suite are Zed Attack Proxy (ZAP), Fiddler, SiteOne Crawler and HTTP Toolkit.
this is a scanner not a proxy used for manual app testing