I've never used CopyMeThat but I just looked through it quickly. It looks like a good app for solving a similar problem that feastgenius is solving. I think the difference with what I built is that it also calculates the nutrition content per serving. This was important for me personally because I use the app to search for recipes in certain macros ranges. For example, Finding chicken recipes in a macro range of (carbs:30-50, protein:20-40, fat:10-20). The search for feastgenius was built on top of elasticseach and in the near future I'll be building out more features based around really robust searching. I'll also be focusing time on building features for discovering new recipes. I hope that answers the question :)