MobileSIM eSIM Data Plans for Australia

MobileSIM does not sell a truly unlimited high‑speed data package for Australia. The plans with “Unlimited” in the name actually provide only 3GB/day of full‑speed data; once that limit is reached the speed drops to 1000kbps. These plans are therefore capped rather than unlimited.

If you need more unrestricted data, MobileSIM offers fixed‑data options that may be more cost‑effective. For instance, an Australia 10GB plan for 30 days costs $18 USD, and an Australia 20GB plan for 30 days costs $30 USD. These plans offer a larger total data allowance without the daily cap that the “Unlimited” plans impose.

MobileSIM does not provide eSIM plans for Australia that include a phone number or SMS capability. Travelers who need a local line in Australia will only find data‑only eSIM options from MobileSIM, which use a VoIP or messaging app for communication.

If calls and text messages are required, users can rely on internet‑based services such as WhatsApp, Telegram, or iMessage over the data connection. However, some destinations may block or restrict access to these apps, so it is advisable to confirm that the messaging or calling apps you rely on are available in Australia before purchasing an eSIM.

MobileSIM lists 12 single‑country plans and 20 multi‑country plans for Australia. The available plans range from $2.30 to $165.00 in price and provide between 200 MB and 60 GB of data, with validity periods spanning 3 to 125 days. MobileSIM offers both daily‑cap and fixed‑cap data models; daily‑cap plans reset their data allowance each day, whereas fixed‑cap plans provide a total data quota for the entire validity period, and some plans include reduced speed once the cap is reached.