Does Shipping Rates Calculator+ support pick-up in store?
Shopify has recently added support for pick-up in store for all Shopify plans. This option is documented at Local pickup for online orders.
When pick-up in-store is configured, your customers have the option to select it during the checkout process:
Unfortunately, Shopify has not updated yet the Shopify AJAX API (Cart API reference) that our app uses to gather your shipping rates. For that reason, the app cannot display 'Pick-up in store' as a shipping option.
We recommended configuring a shipping note to tell your customers about it. You can find this option under the 'Visual preferences' section:
The note will be displayed in the app widget: