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What is the best unlimited data mobile plan in Australia?
There's no single plan that'll be best suited to everyone, but we've narrowed down our top 5 picks based on data limits and price:
Top pick: No data limit
At speeds up to 20Mbps
for the first 3 months
then Unlimited Data for $40.
T&Cs apply. Use code FELIX50. Ends 31.1.24
Top pick: Cheapest overall
Top pick: Cheapest Optus
Top pick: Cheapest Telstra
for the first 6 months
then 50GB for $62.
T&Cs apply. Ends 19.12.23 Code XMASONLINE
Top pick: Cheapest Vodafone
28 days expiry
for the first 3 recharges
then 20GB for $30.
T&Cs apply. Ends 15.2.24
Keep in mind: Our best picks are based on the lowest monthly cost for unlimited data plans in Finder's database. The best plan for you will depend on your own preferences including network coverage, how much data you want, what speed caps you're okay with and any other plan features you're after.
Best mobile plan with no data limit: felix Subscription
Top pick for cheapest unlimited data mobile plan: Dodo $10 Plan
Top pick for cheapest Optus unlimited data mobile plan: Optus Small Choice Plus Plan
Top pick for cheapest Telstra unlimited data mobile plan: Telstra Upfront Basic
Top pick for cheapest Vodafone unlimited data mobile plan: Vodafone Small SIM Only Plan
What is unlimited data in Australia?
An unlimited data mobile plan in Australia helps you avoid getting hit by excess charges. However, these plans will come with some form of speed cap.
That's why back in 2018, the Australian Competition and Consumer Commission ruled that mobile providers couldn't call their plans "unlimited", because they always came with a catch and were at the time being falsely advertised.
How does unlimited data work in Australia?
An unlimited data plan will work pretty much like your regular mobile plan but with a couple of differences.
There are 2 types of unlimited data plans available in Australia:
If a provider has no monthly data limit on its plan, there's likely going to be a speed cap in place throughout. This is the closest you'll get to a truly unlimited data mobile plan.
If the plan comes with a monthly data allowance and you use it up before your next billing cycle, your speeds could be slowed down to anywhere between 1 to 10Mbps.
The main thing is you won't be hit by excess data charges on any of these plans, which can help you avoid bill shock.
Regular data speed cap
Speed slowed down to
20Mbps on its unlimited data plan
Telstra unlimited data plans
Telstra boasts Australia's largest mobile network which reaches 99.5% of the population.
With its Upfront mobile plans you get:
Access to its 4G and 5G network with uncapped speeds on most plans. The Basic plan has a speed cap of 250Mbps, but that's still quite fast
No excess data charges. Once you've used up your data allowance, your speeds will be capped at 1.5Mbps until your next billing cycle kicks in
Data sharing with up to 10 services on 1 account
Unlimited international texts and 30 minutes of calls
Telstra Plus points that can be put towards rewards
Bonus freebies - 3 months Telstra device security and Apple TV+, 2 months BINGE and 4 months Spotify Premium