eSIMCard does not offer a truly unlimited data eSIM plan for Tonga. All plans that carry “Unlimited” in the name actually have a fixed data cap that is followed by a reduced speed after the cap is reached. For example, the “Unlimited eSIM Data For 1 Days in Tonga” gives 1GB of high‑speed data and then throttles to 500kbps. Similarly, the “Unlimited Plus eSIM Data For 1 Days in Tonga” offers 2GB of high‑speed data before speed is limited to 2000kbps.
If a user prefers a fixed‑data plan for better cost efficiency, eSIMCard supplies several alternatives. A 5GB data plan valid for 30 days costs $117.69 USD, a 3GB plan for the same duration costs $71.03 USD, and a 2GB plan for 15 days costs $50.53 USD. All of these include tethering and provide full high‑speed data within their respective limits.