nextSIM does not provide a true unlimited data eSIM for Antigua and Barbuda. Its plans that carry the word “Unlimited” in the name actually include a data cap of 1 GB per day for the Standard versions and 2 GB per day for the Plus versions. Once the cap is reached, the speed is throttled to 512 kbps or 2000 kbps respectively, so the high‑speed data is not unlimited.
Travelers who need more data can choose from fixed‑data plans. For example, the 20GB 30Days Economy plan costs $73.20 USD, while the 50GB 30Days Premium plan is $1,287.28 USD. These plans offer larger data allowances and may be more cost effective for users who want predictable high‑speed data usage in Antigua and Barbuda.