Firstly check your integration settings, is your Dropstore Ecommerce Type setting correct?
On Dropstore select "Settings" in the top tabs then click "Shopify Integration"
If "Shopify Integration" is not available, then that means you have not selected an Ecommerce Type when you were registering for a Dropstore Account. You will first have to choose an eCommerce type so our system is able to integrate and sync correctly with your store type.
To change Ecommerce Type:
Account (dropdown sub-menu under human icon) > Change E-commerce Type > Proceed with Change
Shopify Sync Delay: Sometimes there may be an abnormal increase in products syncing to Shopify stores at a given time which does cause a bit of a sync delay. Your items should sync to your store within 24-48 hours. Please do not re-install or re-sync multiple times during this time as it will restart the sync and cause further delays or may result in duplicates being created in your store.