Kapp is the author of 20 books and a series of television programs created by the Utah Education Network.

[citation needed] Kapp was the second counselor to Ruth H. Funk in the church's Young Women General Presidency from 1972 to 1978.

During her tenure, Kapp had five different counselors, including Elaine L. Jack, Janette C. Hales, and Patricia T.

For part of her time as Young Women general president, Russell M. Nelson was the organization's priesthood advisor.

[4][citation needed] During Kapp's tenure, the Personal Progress program—which focused on preparing young women to enter the temple—was initiated.