Delatsch Choke Calculator for iOS devices (iPhone and iPad) is finally here! Now you can calculate and design a choke in a matter of seconds and start winding directly from the data in the application! You can create and save as many chokes you like and always have them handy in your app. This is a metric only, but it includes standard imperial core sizes. You can check the app here:
https://apps.apple.com/us/app/id1521907575https://apps.apple.com/us/app/id1521907575