In 1 week of using it I've saved 2 hours of debugging time. It's more than paid for itself. But I do a lot of perf mobile analysis." GENERAL FEATURES -View headers, status codes, timings, compression, POST values, query strings -Displays time charts that break down the steps of each request (e.g. DNS Lookup, Connect, etc) and records their timings -Works with HTTPS without having to modify security settings -Examine byte for byte the data sent to and received from the web server -View the textual or image content downloaded with each request -Quickly find the underlying error code for requests that are failing to load correctly on a web page -Supports both iPad and iPhone LOG FILES -Saves log files in a HWL (HttpWatch) and HAR (HTTP Archive) format that can be viewed in HttpWatch for Windows and other tools -Share log files with users and customers who have the Basic App. Anyone can record a HWL file with the Basic app which they can then send you for full analysis in the Professional App -Log files can be saved locally or attached to emails -Transfer log files to your PC or Mac by connecting your device to iTunes and then copying from the files section of this app -Fully Supports iCloud Drive on iOS 8 and later allowing easy access to files from other iOS devices, Macs and Windows PCs INTEGRATES WITH OTHER APPS -Open log files in the HttpWatch app from built-in apps like Mail or from third party apps such as Dropbox -Open URLs in HttpWatch by using 'hwhttp:' or 'hwhttps:' custom URLs.. For example, this can be used to open the currently viewed page in Safari by prefixing the URL with 'hw'