Request monitoring

Simulator apps

For apps in the iOS Simulator, Lagsmith shows each request’s method, URL, status, timing, headers, request and response bodies and query parameters, with a JSON tree view and image previews on hover. No certificates and no proxy settings.

Mac apps

For Mac apps, Lagsmith shows connections, DNS lookups and TLS details.

Search filters

Filter	Shows
`status:4xx`	Responses with a 4xx status
`method:POST`	POST requests
`host:api`	Hosts containing “api”
`is:failed`	Requests that failed
`-host:cdn`	Everything except hosts containing “cdn”

HAR export

Export requests as a HAR file, which opens in Proxyman, Charles and browser developer tools.

Mini monitor

A small floating window beside the simulator that shows the app’s network and its latest requests.

Privacy

Everything stays on your Mac.