You can uninstall StoreForms from your Shopify admin at any time. Here's what happens to your data.
How to uninstall
In your Shopify admin, go to Settings → Apps and sales channels.
Find StoreForms in the list and click Uninstall.
What happens to your forms and submissions
Forms and submissions are stored as Shopify metaobjects on your shop, not in StoreForms' own database. They stay accessible in the Shopify admin under Content → Metaobjects even after you uninstall.
What gets removed
The free-gift discount function is deactivated. StoreForms' app proxy stops responding, so any form blocks still in your theme will fail to render. Remove them from the theme editor.
Privacy
48 hours after uninstall, we receive a Shopify webhook and delete any of your shop's data we still hold (session tokens, daily view counters). Metaobjects on your shop are unaffected — they're your data, on your store.