The Fluter Grocery App is a complete turnkey solution for any grocery store that supports both Android and iOS with the same PHP Backend.
Demo: https://codecanyon.net/item/flutter-grocery-convenience-store-food-vegetable-fresh-fruit-ecommerce-retail-/29832816
eCart offers you a multi purpose online shopping app for grocery store, food delivery, fruites and vegetables store, stationary, culery shop and more.
Demo: https://codecanyon.net/item/city-ecommerce-app/22015911
Veggie also provides an extensive theme options panel built with the Redux Framework.
Demo: https://themeforest.net/item/veggie-vegetable-and-fruit-shop-wordpress-theme/17090245