gosimless does not provide an unlimited data eSIM for Oman. All plans listed for Oman have a fixed data cap and a set validity period, meaning the data allowance is limited and the plan expires after the specified number of days.
Travelers who need a larger data allocation can choose from a range of fixed data plans. For example, the Oman 50GB – 30 Days plan offers 50GB of high‑speed data for 30 days, and the Oman 20GB – 30 Days plan offers 20GB for the same period. These plans can be more cost effective for most users unless a traveler requires an extremely heavy data consumption that would be better served by an unlimited plan from a different provider.