Sim Local eSIM Data Plans for Thailand

Sim Local does not provide a truly unlimited data eSIM for Thailand. The plans that carry “Unlimited” in their names give a fixed allowance of 5 GB per day or 10 GB per day, and once that daily maximum is reached the speed is throttled to a lower rate (the exact reduced speed is not listed in the data). Therefore, high‑speed data is not unlimited; it is capped and then slowed after the daily quota is exhausted.

For travelers who need unthrottled data, Sim Local offers fixed‑data plans such as 20 GB for 30 days at $17.50 USD or 10 GB for 30 days at $10.75 USD. These plans give a set amount of high‑speed data that does not reduce in speed, and they are often more cost‑effective for heavy or moderate data users compared to a plan that limits daily usage before throttling.

Sim Local does not provide an eSIM plan for Thailand that includes a local phone number or SMS capability. Their Thailand eSIMs are data‑only, so travelers can use VoIP apps such as WhatsApp, Telegram or iMessage over the data connection for calls and messaging.

Sim Local offers a total of thirteen distinct eSIM data plans for Thailand, split between single‑country and multi‑country options. There are nine single‑country plans that cover Thailand exclusively and four multi‑country plans that include Thailand along with other destinations. The pricing ranges from about $4 to $50 USD, while the data caps vary from 500 MB up to 20 GB depending on the plan. Some plans use a fixed data cap that lasts for the entire validity period, whereas others reset the data allowance on a daily basis to offer more flexibility during short stays. The validity window for the plans can be as short as one day or extend up to 31 days.