Contact
Bugs, ideas, and everything else
Crossover is small and independently run, so email is the fastest way to reach us. We read everything, even if a reply takes a day or two.
Bug report or feature request
Spotted a calculation that looks off, or want the tool to handle a case it doesn't yet? Let us know your inputs so we can reproduce it.
Email a bug reportGeneral question
Anything else — how the math works, a licensing question, press — goes to the same inbox.
Send an emailBefore writing in, the FAQ answers most common questions about the crossover point, the extra payment field, and what the numbers do and don't include.