He plays as a midfielder for Segunda División club Burgos, and the Martinique national team.
A youth product of the AS Monaco FC academy, Appin was loaned to Cercle Brugge on 16 June 2018.
[2] On 4 October 2020, Appin moved abroad and joined Hércules in the Spanish Segunda División B.
[3] On 8 June 2021, after featuring regularly, he joined newly promoted Segunda División club Ibiza on a one-year deal.
This biographical article related to association football in France, about a midfielder born in the 1990s, is a stub.