Simsima eSIM Data Plans for Australia

Simsima does not provide a truly unlimited high‑speed data eSIM for Australia. The plans that use “Unlimited” in their name, such as the Unlimited – 7 days and Unlimited – 10 days options, give 3 GB of high‑speed data each day and impose a reduced speed of 1000 kbps after that threshold. These are fixed‑data plans with capped data and a speed downgrade, not indefinite unlimited data.

For travelers who need a larger data allowance, Simsima offers fixed‑data plans such as the Australia Unlimited 10Days plan, which contains 3 GB per day for 10 days, and the Australia 50GB 30Days plan, which provides 50 GB high‑speed data for 30 days. These options can be more cost‑effective for most users compared to the capped “Unlimited” plans.

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 provides 12 single‑country data plans that cover Australia alongside 14 multi‑country options that include the country in their coverage. The plans differ mainly in how data is allocated: daily data cap plans reset each day, limiting usage for any single day, whereas fixed data cap plans allow the entire data allotment to be used over the plan’s validity period, which ranges from 5 to 365 days. Across all offerings the price spectrum extends from about $1.50 to $84.83, while the data caps vary between 100 MB and 50 GB, giving travelers a wide range of budget and usage options for their stay in Australia.