We search through over a million recipes from all the top recipe sites and filter out the ones that contain meat. The app searches sites like allrecipes, foodnetwork, food.com, recipezaar, grouprecipes, 101cookbooks, bbc recipes, epicurious, etc.
If you like this application. Try the pro version: no ads, more results, more suggestions.
For other dietary considerations check out vegan recipes and gluten free recipes.
Also check out "Food Flavor Pairings", an application that tells you what ingredients taste good together.