Australia eSIM plans start at $3.49 for 2 GB; our top plan for Australia alone is 50 GB for 30 days at $29.99 (RoamVault), the top multi-country one 25 GB at $24.99 (2 countries). Here a plan for Australia alone costs less per GB than any multi-country plan (62 plans from 8 vetted providers).
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Choose your travel eSIM and manage it in the MobiMatter app.
Already have MobiMatter? Open in appEach plan connects to the networks listed on its page, so you choose your carrier before you buy. Coverage varies by area: a listed network does not guarantee signal everywhere.
Yes. Telstra, Optus and Vodafone, Australia's three mobile networks, all support eSIM, and Telstra and Optus sell prepaid eSIM plans to overseas visitors. Travel eSIMs for Australia run on the same three networks and can be bought online and installed before the long flight, so you are connected as soon as you land in Sydney, Melbourne, Brisbane or Perth.
Reviewed Oct 11, 2026 · Source
The cheapest plan that works in Australia is a multi-country one: $3.49 for 2 GB, valid for 15 days. The cheapest plan for Australia alone is 1 GB for 7 days at $3.49. Prices come live from 8 vetted providers and change often.
For most travellers, yes, if your phone supports eSIM. Australia plans start at $3.49 for 2 GB, and the longest lasts 365 days, which suits long stays and repeat visits. If your home plan already covers Australia at no extra cost, you may not need one.
Australia eSIMs on MobiMatter run on Optus, Telstra, and Vodafone; 5G plans are available on Optus, Telstra, and Vodafone. Optus carries the most plans. Each plan names its network, so you choose your carrier before you buy.
For Australia alone, our top plan right now is 50 GB for 30 days at $29.99 from RoamVault. If Australia is one stop of several, the top multi-country plan is 25 GB for 30 days at $24.99 from NextLink, covering 2 countries.
It depends on how you use your phone. Light use (maps, messaging, browsing) takes about 0.5–1 GB a day; scrolling a lot of social video can take 2–3 GB or more. Typical use per hour:
The cheapest Australia plan with at least 5 GB for a week or longer is 5 GB for 30 days at $4.99.
Yes. Unlimited data plans for Australia start at $10.99. Many unlimited plans slow down after a daily high-speed allowance, so check the fair-use terms on the plan page before you buy.
5G is available on 27 plans for Australia, where the local network has 5G coverage; the others use 4G/LTE. Hotspot (tethering) works on every plan, so you can share your data with other devices.
Most travel eSIMs, including most Australia plans, are data-only and have no local number. You keep your usual number on your main SIM for calls, texts and WhatsApp. Plans that include a number or minutes say so on the plan page.
Yes, if it supports eSIM and is not locked to a carrier. To check, dial *#06#: if an EID number appears, your phone supports eSIM. Most iPhones from the XS/XR on, Galaxy S20 and later and Pixel 3 and later do, except most models sold in mainland China and some sold in Hong Kong and Macao.
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Buy, install and top up every eSIM in the MobiMatter app, and check how much data you have left at any time.
Choose your network
MobiMatter shows which network each plan uses, so you choose your carrier before you buy. Pick from 62 plans from 8 vetted providers with the data and price that fit your trip.
24/7 support
Our support team is available 24/7, before and after you buy, for every eSIM you get from MobiMatter.

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