
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 offer a truly unlimited high‑speed eSIM for Australia. The plans with “Unlimited” in their name all provide a 3GB/day cap and after that limit the speed is throttled to 1000 kbps.
Travelers can choose instead one of the fixed‑data options, such as the 50GB plan valid for 30 days or the 20GB plans, which give higher total data allowances without a daily cap. These plans can be more cost‑effective for users who need a larger amount of data and are not extremely heavy data consumers.
Simsima does not offer eSIM plans in Australia that include a local phone number or SMS capability. The provider offers only data‑only eSIMs for the destination, so travelers will not receive a traditional Australian phone number with the plan.
If a traveler needs to make calls or send messages, VoIP applications such as WhatsApp, Telegram, or iMessage can be used over the data connection. Because some destinations may block or limit access to certain apps or VoIP services, it is advisable to verify that the apps required are available in Australia before purchasing a data‑only plan from Simsima.
Simsima lists 12 single‑country plans for Australia and 16 multi‑country plans that include Australia. The available plans span a price range from about $0.40 to $61.74 and offer data caps between 100 MB and 50 GB over validity periods of 5 to 180 days. Some plans provide a fixed data allowance, which delivers a set amount of data for the entire validity period, while others operate on a daily data cap, limiting how much data can be used each day.
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