ZenSim does not provide a truly unlimited data eSIM for Oman. The plans that carry “Unlimited” in their name actually offer 3GB of high‑speed data per day, after which the speed is reduced to 1000kbps, so the data is not unlimited.
Travelers who need a larger, fixed amount of high‑speed data can choose ZenSim’s fixed data plans for Oman, such as the 40GB plan valid for 30 days or the 20GB plan valid for 15 days. These plans give a set amount of data that must be used within the specified validity period and can be more cost‑effective unless the user is an extremely heavy data consumer.