SimSmash eSIM Data Plans for Thailand

SimSmash’s plans that include “Unlimited” in the name for Thailand actually come with a capped daily data allowance, ranging from 490 MB to 10 GB per day for a single‑day validity. Because high‑speed data is limited, these do not provide truly unlimited usage.
SimSmash offers fixed‑data eSIM plans in Thailand that might better suit regular travelers. Examples include a 50 GB plan for 30 days priced at $34.49 USD and a 20 GB plan for the same period at $9.89 USD. Choosing a fixed‑data plan can be more cost‑effective unless you need extensive daily data usage.

SimSmash does not provide Thailand eSIM plans that include a phone number or SMS capability. Travelers can only purchase data‑only eSIMs from the provider, which can be used with VoIP applications such as WhatsApp, Telegram, and iMessage for voice and messaging over the internet. However, some destinations may restrict or block certain VoIP services, so users should confirm that the applications they rely on are accessible in Thailand before buying a SimSmash eSIM.

SimSmash offers 13 single‑country data plans for Thailand and 18 multi‑country plans that include Thailand. The plans vary in price from roughly $0.79 to $94.99 and in data allowance from about 490 MB up to 50 GB, with some plans permitting tethering.