Following, Appiah spent five years playing college soccer at the University of Cincinnati between 2011 and 2015.
[2] While at Cincinnati, Appiah appeared for Premier Development League side GPS Portland Phoenix in 2013.
[6] On July 26, 2017, Appiah signed with United Soccer League side Saint Louis FC until the end of the 2017 season.
[7] On March 14, 2018, Appiah joined USL Championship side LA Galaxy II.
[8] Following over a year without a professional club, Appiah joined Finnish side AC Kajaani in June 2020.