> or worse,use it as a primary source and become discouraged
I would hope these people download the free app so they can actually track their food, which has extensive tooling to track weight trends and expenditure changes over time :). But yes, you should be able to customize the assumptions, I just have about 100 more of these things to add and didn't want to wait longer to see feedback.
I don’t know bud, but when I work with diet and nutrition, I feel like I owe users accuracy more than I deserve feedback. Maybe we have a different sense of ethics.