eSIMCard does not provide a truly unlimited high‑speed data eSIM for the Isle of Man. All plans that carry an “Unlimited” name are actually limited to a fixed data allowance—typically 1GB (or 2GB per day) for the validity period—and the speed drops to a throttled rate (for example, 512kbps or 2000kbps) once the cap is reached. These plans use the word “Unlimited” to describe the absence of an explicit data statement rather than a truly unlimited data allowance.
Fixed‑data plans are available instead. A 50GB Data & Unlimited Minutes plan is valid for 30 days, costs $31.39, and delivers full 5G, 4G, 3G, and 2G speeds throughout its duration. A similar 35GB plan also offers 30‑day validity at the same price and provides high‑speed data without throttling. Selecting a fixed‑data plan can be more cost‑effective for travelers who require more than the 1GB limit of the “Unlimited” labeled options.