What it finds

✓ The responsive search ads in each Search ad group over the same dates: clicks, conversions and conversion value per impression, and conversion rate.
✓ The chance that each ad's rate is the highest in its ad group, once every ad has enough impressions and clicks.
✓ Each headline and description against the rest in its ad group.
✓ Any ad added to a list to pause, with undo.

Good for

Search accounts with two or more responsive search ads per ad group.

Sign in with Google. No password to set up.
Connect Google Ads. Google shows its own permission screen; here's what I do with that access.
Pick an account and press Run. Results usually come back within a minute or two, and you can export them.

Makes only the changes you select from its results. Nothing changes in your Google Ads account until you confirm.

Included in every subscription, paid from your credits a month, by hand or on a schedule. How credits work