Illustrative checkout example: a case opens when shoppers click Pay repeatedly and then leave, a trial rehearses a progress bar on a preview, and you choose whether that version or the current one ships. No live outcome has been measured.
You built the app.Your users show where it hurts.underscore builds it the way the best apps do.
The hard part was yours. You choose what ships.
Or start with a repository
See where people
get stuck.
underscore reads recorded visits and opens a case when a pattern repeats, with the visits that show it.
From real use to the next stepRehearse
the change.
Open a trial on a case. A possible change runs on a preview, never on your live app, so you can try it before anyone else sees it.
Inside TrialsYou choose
what ships.
Compare versions with the evidence beside them. Nothing reaches your users until you pick it, and every try is remembered for next time.
Why not just ask the agent?Your launch was a first version.Fit is built one version at a time.
Every case, trial and choice is remembered and carried into the next version.