Developed your new app? Designed a new website? Now you need to test its performance on a variety of hardware. The BrowserStack cross browser testing tool is loved by computer-geeks and more prehistoric types alike. Choose the device you would like to test your website or app on from a long list. Any glitches will be indicated via developer tools. You can also test internal and external servers with debugging options. BrowseStack will even recommend which devices give the best results. BrowserStack isn’t cheap, but it’s very thorough and very secure.