simpleSIM does not provide an unlimited data eSIM for Mayotte.
Instead, the provider offers fixed data plans such as the eSIM Mayotte 20GB, which gives 20 GB of data for 30 days, and the eSIM Mayotte 10GB, which provides 10 GB of data for 30 days. Choosing one of these fixed data plans can be a more cost‑effective option unless a traveler is an extremely heavy data user.