Please consider adding two enhancements: 1) A function to allow user to select a federal tax bracket. As your in-app describes, the tax portion can include many variables; however, calculation with user added tax bracket would provide more realistic estimates of net income prior to considering state tax implications. 2) Adding another layer to select a state of residence would also help users in planning, as many states do not tax military retirement income. Knowing which states exempt is very useful information. This is all information I would expect to be calculated for me considering the cost of the app. Nice start, needs more work!
Hub runner about Military Retirement, v6.1.0