aloSIM does not provide an unlimited data eSIM for Montserrat. All of the plans listed for Montserrat have a fixed data cap, ranging from 5GB to 20GB, and a validity of 30 days.
Travelers who need a larger data allowance can choose from aloSIM’s fixed data plans. For example, the Global plan offers 20GB for 30 days at $62.00 USD, while the Montserrat plan provides 10GB for 30 days at $36.00 USD. Fixed data plans can be more cost‑effective for most users, unless a traveler expects to use data at a very high volume.