Stellar eSim does not provide a true unlimited data eSIM for Singapore. All plans listed for Singapore have a fixed data allowance, with the largest being 100GB for 60 days or 50GB for up to 30 days.
Users who need more data can choose one of these fixed‑data options. For example, the Singapore 50GB plan is available for 15, 20, or 30 days at a price around $10–$10.50 USD, and the 100GB plan is offered for 60 days at about $30.07 USD. These plans give a large fixed data allowance and expire after the specified validity period.