
Simsima is an eSIM marketplace offering instant connectivity in 190+ countries. Travelers can browse, purchase, and activate eSIMs directly from their phone — no physical SIM swap needed. Plans range from 1-day local passes to multi-country regional bundles, with coverage across Europe, Asia, the Americas, and beyond. Simsima supports all eSIM-compatible devices and offers 24/7 customer support based in Barcelona.
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Data plans for this provider are automatically updated. While we strive to keep the information accurate, we cannot guarantee its completeness or accuracy. Please confirm all details on the provider's official website or app before purchasing.
Simsima does not provide a true unlimited‑data eSIM plan for China.
Its “Unlimited” packages actually allow 3 GB per day at full speed and then throttle the connection to 1000 kbps once the limit is reached, so the data is not without bounds.
If a user needs a larger high‑speed data allowance, Simsima offers fixed‑data plans instead. Examples include a 100 GB plan valid for 180 days, a 60 GB plan for 125 days, a 50 GB plan for 30 or 90 days, and a 20 GB plan for 30 days, many of which are available on 5G networks in China. Choosing a fixed‑data plan can be more cost‑effective than the daily capped “Unlimited” options for travelers who consume significant data.
Simsima does not provide a China eSIM that includes a phone number or SMS capability. The provider offers only data‑only plans for the China market. Travelers can still communicate via popular VoIP applications such as WhatsApp, Telegram, or iMessage, which work over the data connection and do not require a traditional local phone number or SMS service.
Simsima offers a range of data plans that include China. There are 31 single‑country plans and 24 multi‑country plans available. The plans cover a spectrum of options, including daily data cap plans, which reset every 24 hours, and fixed data cap plans, which provide a set amount of data for the full validity period. The price range for these plans spans from $3.56 to $452.76, while the data caps vary between 500 MB and 100 GB.
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