
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 truly unlimited data eSIM for Australia. The plans that use the word “Unlimited” in their names actually come with a fixed allowance of 3 GB per day; once that daily quota is reached, the speed is throttled to 1000 kbps. Thus the data is not unlimited in the sense of maintaining high‑speed connectivity throughout the validity period.
Travelers who need a larger, more predictable data allowance can choose from Simsima’s fixed‑data plans. For example, a 60 GB plan valid for 125 days costs about $315 USD, a 50 GB plan for 30 days is priced near $31 USD, and a 20 GB plan for 30 days starts from roughly $18 USD. These fixed plans can be more cost‑effective for users who consume data heavily or who want to avoid the speed reduction that follows the daily 3 GB cap on the “Unlimited” options.
Simsima does not provide an Australian eSIM that includes a local phone number or the ability to send or receive SMS. The provider offers only data‑only plans for travelers visiting Australia. If you need to make voice calls or send messages while abroad, you can use popular VoIP applications such as WhatsApp, Telegram or iMessage, which work over the data connection supplied by the eSIM.
In Australia, Simsima offers 31 single‑country plans and 22 multi‑country plans. The catalogue includes 25 fixed‑data‑amount plans and 28 daily‑data‑cap plans. Prices range from about $2.77 on the cheapest option to roughly $452.76 on the most generous, while data caps span from 500 MB to 60 GB.
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