Do you chew through data? These plans are big on data and small on price
The best unlimited data mobile plans (February 2025)
1 min readBest unlimited mobile data plan
There's really only one choice.
Felix Mobile is the only consistently unlimited mobile data plan in Australia, albeit with a 24/7 speed cap of 20Mbps. Despite the speed cap, 20Mbps is still fit for purpose for pretty much every mobile task, including HD video streaming.
As long as you live, work and play within the Vodafone network footprint (which you probably do), this Felix Mobile plan is worth considering – especially given it’s the only truly unlimited data mobile plan in our database of more than 30 mobile providers.
For a more conventional alternative, Felix Mobile has two other Vodafone 5G prepaid plans with data caps and 150Mbps typical caps. Go over the data allowance with either plan, and you’re capped at 1.5Mbps until the next recharge. Here’s a look at Felix Mobile’s plans:
Cheap unlimited data mobile plans
The cheapest unlimited data plans from each provider in our database
Apart from Felix Mobile, Dodo Mobile, Belong, Optus, Vodafone and Telstra also offer speed-capped unlimited data mobile plans.
These are the cheapest unlimited data plans from each unlimited data provider:
Which providers offer unlimited data plans?
As mentioned above, the mobile providers in our database with unlimited data mobile plans are Belong (postpaid), Dodo (postpaid), Felix Mobile (prepaid), Optus (postpaid), Telstra (postpaid) and Vodafone (prepaid and postpaid).
Here's a quick summary of what each provider offers:
Expert Advice
In Australia, unlimited data typically means no excess charges. You’ll still get a data allowance, and then after you go through that, you can keep using your plan at much slower speeds. While an unlimited data plan is a great way to prevent bill shock, make sure you still choose a data allowance that meets your needs to avoid being stuck on very slow internet.”
WhistleOut Managing Editor
How much does unlimited mobile data cost?
Felix Mobile’s Unlimited Mobile Plan is a good starting point for comparisons, as it tends to hang around its $40 monthly cost. Expect unlimited data mobile plans to start at around $25 per month for a smaller data cap. For SIM-only plans, that number can stretch up to $100, while long-expiry prepaid plans can cost $300+ for a full year.
Unlimited mobile data plans FAQs
Can I use unlimited mobile data if I'm overseas?
You can't use unlimited data while overseas. Instead, you'll need to purchase an international roaming pack from your provider, if they offer one.
Are there unlimited mobile broadband plans?
Unlimited mobile broadband plans (that is, data-only SIM plans) are less common than unlimited data mobile plans. Of the mobile broadband plans we track in our database, Optus and Telstra offer unlimited data, both slowing to 1.5Mbps once a plan data cap is exhausted.
How much do unlimited data mobile plans cost?
Felix Mobile’s Unlimited Mobile Plan is a good starting point for comparisons, as it tends to hang around its $40 monthly cost. Expect unlimited data mobile plans to start at around $25 per month for a smaller data cap. For SIM-only plans, that number can stretch up to $100, while long-expiry prepaid plans can cost $300+ for a full year.
How slow is 1.5Mbps exactly?
With a 1.5Mbps speed cap, you’ll be able to carry out basic internet and social media browsing, music service streaming and potentially streaming videos in standard definition. You’ll probably find that pages will take significantly longer to load and you might have to wait for videos to buffer. In comparison, the a standard uncapped download speed on 4G is probably between 40Mbps and 50Mbps.
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