AlpineSIM does not provide a truly unlimited high‑speed data eSIM for China. The plans that carry the “Unlimited” label all have a data cap, ranging from 500 MB per day to 10 GB per day. After the capped amount is reached, the speed is throttled, so the data allowance is still limited.
Travelers looking for large data allotments can choose from AlpineSIM’s fixed‑data plans. For example, the “AlpineSIM China mainland eSIM – 50GB” is available for 30 days at $25.21 USD and for 180 days at $41.53 USD, and a similar 50GB plan is offered for 30 days at $43.01 USD and 180 days at $45.73 USD in mainland China plus Hong Kong and Macau. These fixed‑data options can be more cost‑effective for users who need substantial data without the restrictions of the “Unlimited” plans.