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What is a prepaid plan?
Simply, a prepaid mobile plans is where you pay for your usage before you use it. You'll bring your own phone and pay a single price every month - no surprise extra charges.
There are also no lock-in contracts, so you have heaps of flexibility. If you aren't happy with your service, you can switch to a new provider while keeping your phone number.
How do prepaid recharges work?
In the old days, you'd buy a recharge from the supermarket each month, then call the number on the receipt. These days, you can still recharge manually each month, but you'll probably do it from your provider's app or website.
Most people use auto-recharge though. This lets your telco charge your credit card or savings account each month, so you never have to think about recharging. It's really good stuff.
How long is the recharge period?
The recharge period is the amount of time that you can use your prepaid plan before your recharge expires. For most plans, this will about a month - so you'll need to recharge every month. However, there are long-expiry plans with up to 365-day recharge periods.
Here are the 3 main types of plans you'll come across:
- Month-to-month plans: These plans will expire every month if you don't recharge them. Typically you'll have unlimited national calls and texts, and a set amount of data you can use each month (which may roll-over if you auto-recharge).
- Long-expiry plans: These plans expire mostly every 90 days, 180 days or 365. They're great if you want to set and forget your mobile plan. They're also quite popular with people who don't use much mobile data.
- Pay-as-you-go plans: These plans don't have a recharge people at all. Instead you'll pay for a certain amount of credit, which is used up whenever you make a call, send a text, or use the internet. These are pretty old school plans, and aren't that common anymore.
"Prepaid plans used to be those plans where you'd run out of credit and have to line up at Woolworths to get it recharged. They're much easier these days - I have a prepaid plan that I essentially set and forget thanks to auto-recharges being enabled. My plan automatically renews itself after each expiry period so I don't have to worry about it."
Prepaid vs postpaid mobile plans
Let's clarify what we mean by 'postpaid' before comparing it to prepaid plans. Postpaid mobile plans come in 2 main flavours, with a phone contract and without a phone.
- With a phone contract: These bundle a phone plan and a phone payment plan. You'll get a new phone upfront, then pay off the phone month by month. Let's say your plan costs $40 a month and the phone repayment is $50 a month. Your total bill will be $90 each month until the end of the contract, normally 24 or 36 months.
- Without a phone (BYO): Postpaid plans without a phone require you to bring your own device. You'll just receive a bill at the end each month. These plans sometimes come with contracts and/or the change of extra charges, but otherwise operate a lot like prepaid plans with auto-recharge. As such, they're not very common anymore.
Pros and cons of prepaid plans
Prepaid plans are honestly great for most people, in large part because they're cheap, have no lock in contracts and are really flexible. The only exception might be if you want a new phone and aren't in a position to pay for it upfront.
Pros of prepaid plans
- Budget-friendly. Know exactly how much you pay each month. No excess charges, no nasty surprises.
- Flexible. No lock-in contracts, so change plans whenever you want. Or change phones. Or your provider. Go crazy.
- BYO phone. If you're happy with a hand-me-down or older phone, you can save a lot of money on prepaid.
Cons of prepaid plans
- Active recharging. Without auto-recharge, you'll have to remember to recharge each month.
- BYO phone. If you want a fancy new flagship phone, you'll need to pay for it upfront.
How much do prepaid plans cost?
The cost of a prepaid plan varies mostly based on your monthly data, which network you're on and the network technology.
- Monthly data: The higher your data limit, the more you can expect to pay.
- Mobile network: There are 3 different mobile networks in Australia: the Telstra, Optus and Vodafone network. Telstra is faster and covers more of the country, but can be a lot more expensive.
- Network technology: Prepaid mobile plans operate on 4G or 5G networks. 5G is faster and newer, so plans with 5G access tend to be a bit pricier.
Phone calls and texts within Australia don't tend to affect prepaid plan prices anymore, with most plans offering unlimited calls and texts. The exception to this is international calls and texts, as well as global roaming, both of which will either increase the price or require an add-on pack.
Price of prepaid vs postpaid plans
The gap between prepaid and postpaid mobile plans is getting smaller but prepaid plans come out to be cheaper overall. Postpaid plans have become slightly more expensive but you’re also getting more data in return.
According to the 2022-23 ACCC Communications market report, the median monthly retail prices across both prepaid and postpaid plans has remained at a flat $35 for the last 3 years.
How much can you save on a cheaper prepaid plan?
We've calculated potential savings over a 12-month period by comparing the price difference between the cheapest and most expensive prepaid plans on Finder (as of December 2024).
We looked at 5 common monthly data limits and found the average savings to be $276.24. Here's the full list of savings for each data allowance:
How much data do you need?
There's no point in paying for data you don't use, so it pays to figure out your actual needs. These days we're connected to Wi-Fi a lot of the time anyway.
The best way to figure out your data usage is to check your current mobile plan. You'll be able to find your data usage in your provider's app or when you login on their website. If you don't have access to that, use our data usage calculator before choosing a new plan.
The average Aussie uses between 7.5GB (prepaid) and 15.9GB (postpaid) of mobile data per month. So you can always just go for 20GB or so to start.
Not saying you're average - you're exceptional. But your data usage is probably average.
"If you're in a position to buy a phone outright, prepaid mobile plans are a great option as you don't have to be on a long-term contract. They give much more flexibility. One thing I learnt when figuring out a prepaid option was to not assume I needed masses of data given my phone is often connected to Wi-Fi. So I started with a smaller amount of data (which was cheaper). If I need more later I can easily upgrade to a higher data option with the same provider."
Prepaid mobile network coverage
You've got the choice of 3 networks in Australia: Telstra, Optus and Vodafone. Telstra covers the most and is the fastest, but it quite a lot more expensive. Vodafone and Optus are, in practice, about as good as each other, but each will cover different areas a little differently.
Smaller providers (known as MVNOs) will often offer coverage from 1 of the big 3 providers at cheaper rates. For example, Felix and TPG both use the Vodafone network, while amaysim and Catch use the Optus network.
Do you need the Telstra network?
If you live near a big city like Sydney, Melbourne or Adelaide, you'll probably be fine with the Optus or Vodafone network. They have great coverage across most cities at a much more reasonable price than the Telstra network.
If you live outside a major city (let's say smaller than Newcastle or Geelong) then you may need to get a plan on the Telstra network. Even if the towns and cities in your area have coverage with Optus and Vodafone, the highways or backroads are much more likely to be Telstra-only. If Telstra itself if too pricey, consider a smaller provider using the Telstra network, like ALDI or Boost.
What features can I expect on a prepaid plan?
Outside of calls, texts and data there are a few other features to keep an eye out for when comparing prepaid plans:
Data rollover
Some providers allow data rollover or data banking so you can keep any data you didn't use after your plan expires. This is a great way to get the most value out of your plan.
International calls
Some prepaid calls include unlimited international calls or a limited amount of international call credit. Calls are generally limited to lists of certain countries (this varies by provider). Great for users with family and friends overseas with limited other ways to connect.
Endless data
A few providers such as felix and Vodafone offer "endless" or "infinite" data on some prepaid plans. In felix's case you get unlimited data capped at a speed of 20Mbps while with Vodafone you get infinite data at speeds of up to 1.5Mbps once you use up your original data allowance (similar to a postpaid plan).
eSIMs
Not only are eSIMs environmentally friendly, they're also very convenient. With this option, you can switch to your new provider in just a few minutes. No need to visit a store or wait for your SIM to arrive in the mail.
Which is the best prepaid service provider?
The best provider will depend on exactly what you're after, how much you're willing to pay and which network you'd prefer.
We've chosen some of the bigger names from what's available to give you an idea of what your prepaid mobile plan could be.
Telstra
Telstra has an amazing network, reaching 99.5% of Aussies, and has the fastest mobile internet on offer. But it's pretty spenno.
If you live in rural Australia, Telstra (or a network on the Telstra network) is probably the way to go. In the cities you might be better off with a cheaper brand.
Learn more with our full Telstra review.
Optus
Optus is the number 2 network, reaching 98.5% of Aussies, also with great speeds. It's definitely cheaper than Telstra too.
Optus is a decent Telco, but is especially good if you would benefit from Optus Sport. It's only $9.99 for Optus customers, down from $24.99, and the only place you can watch Premiere League Football in Australia.
Learn more with our full Optus review.
Vodafone
Vodafone has the smallest of the 3 networks, but it still covers at least 92% of the population with 4G cover and is typically cheaper again.
All Vodafone plans have effectively unlimited data (it just slows down after you hit the cap) as well as the $5-a-day roaming deal - arguably the best international roaming deal on the market. Great if go overseas.
Learn more with our full Vodafone review.
TPG
TPG, which runs on the Vodafone network, isn't known for flashy extras like the bigger telcos, but it offers great value.
TPG offers excellent value, with all plans less than our $1 per GB benchmark. Plus, full-month expiry periods mean you recharge less across the year.
Learn more with our full TPG review.
amaysim
Winner of our 2023 Finder Award for Best Prepaid Provider (Value), amaysim has a strong reputation for simple plans with heaps of data.
It's on the Optus network and runs generous bonus data on your first 1–3 recharges. However, 28-day recharge period means 13 recharges per year, rather than 12.
Learn more with our full amaysim review.
Boost Mobile
Boost gives you full access to Telstra's 4G network at a cheaper price. In fact, it's the only non-Telstra provder to have the full retail network, rather than the slightly less good wholesale network.
Boost have expiry periods between 7 days and 12 months, which is cool. But there's no international roaming available.
Learn more with our full Boost mobile review.
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Cause we all hate caps. Our goal is to bring you all the good stuff, and surface any hidden fees. So you can get back to the fun stuff, like gaming.
Tried and tested. We give these plans a run for their money and listen to the feedback of the millions of Aussies who have used our plans comparison.
Frequently asked questions
More guides on Finder
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Pay as you go mobile plans
Pay as you go mobile plans are a great way to save money if you don't use your phone very often.
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Best cheap 365-day prepaid mobile plans
Looking to keep your phone bill off your mind for a whole year? We’ve found the affordable long-expiry prepaid plans that offer good bang for your buck.
Ask a question
You say iiNet gives an extra 2G for $10, I’ve been a prepaid customer for 2 years and they’ve only ever given 1GB extra for $10?
Hi Jake. It might be worth reaching out to their customer support team for further help as they’re meant to give 2GB for $10. They have a live chat option in case you didn’t want to call.
I’m travelling from overseas to Australia for just over two months and considering which tariff to go with. I’m told from many sources that Telstra has the best coverage
I’m focussing on prepaid tariffs.
Which might be the best option?
Hi Sam, Telstra does have the widest network coverage and offers prepaid mobile plans as well. Boost Mobile has access to the full Telstra network so can be worth considering as an option!
What is the cheapest prepaid plan for 28-35days, small amount of data unlimited calls & texts?
Hi Cheryl,
Thanks for getting in touch! The cheapest prepaid plan that is within the 28-35 days period with, minimum date of 4GB + unlimited call and text is the Catch Connect 4G 40GB $49.90 30 Days. To get started with your application, click the GO TO SITE button.
Hope this helps!
Best,
Nikki
I am on long term prepaid 365 plan.Is my data being used even if idon’t make any
calls?
Hi Frank,
Thanks for getting in touch!
Your data is not being used when you make regular outgoing calls, however, if you make other calls that uses internet such as Viber, Whatsapp or other apps that need internet to be able to work, this will use up your data.
Hope this helps! For any further questions, feel free to reach out to us again, we’re here to help.
Best,
Nikki
Actually I don’t have a valid visa, I want to register my number in Lyca, is it possible??
Hi Harry,
Thank you for getting in touch with Finder.
If you wish to activate your new number Lycamobile, please visit their official page and follow their step-by-step guide on this matter. You just need a proof of identification like your passport to register online.
I hope this helps.
Thank you and have a wonderful day!
Cheers,
Jeni