What is data banking?

Save your unused data for later with data banking and rollover. Find mobile plans that let you keep what you don’t use!

Mariam Gabaji's headshot

By

Mariam Gabaji

Updated

Fact checked
4.7 based on 830 reviews

Key takeaways

  • Data banking and data rollover are similar, but the amount of data you can save and how long it lasts depends on the provider.
  • It allows you to avoid wasting data, have extra for times you need more, and potentially save money by not upgrading to a higher data plan.
  • The good news is that 32 out of 46 providers in our database offer this feature, but it's not always available on every plan.

What is data banking or data rollover?

Data banking and data rollover are often used interchangeably, but there are key differences.

Data banking is straightforward - you keep any unused data in a "bank" for future use. There's either a set limit (for example, up to 200GB) or no limit at all.

Data rollover, on the other hand, usually comes with one of two conditions. Some providers only let you roll over data to the next recharge, meaning you have to use it within the following month.

Others may limit how much data you can carry over.

Either way, both features help you make the most of your mobile plan by saving data you don't use.

Finder survey: What mobile plan features are most important to Australians?

Response
Network coverage85.32%
Data rollover34.14%
5G27.3%
Customer support options24.32%
Wi-Fi calling18.02%
Brand14.14%
International calls11.17%
Data sharing10.9%
Other3.15%
eSIM2.52%
None of the above2.34%
Source: Finder survey by Pure Profile of 1110 Australians, December 2023

Is data banking worth it?

Data banking can be a handy feature, but it's most valuable if your data usage varies from month to month. If you spend a lot of time on Wi-Fi and then have months where you need more mobile data—like when travelling or camping—it can help you avoid extra charges by letting you dip into saved data.

If you regularly use up your monthly data allowance, though, data banking won't make much of a difference since there won't be much left to roll over. It's also worth checking the fine print, as some providers limit how much data you can store or reset your bank if you switch plans. Since it's usually included at no extra cost, it can still be a useful perk when choosing a plan.

Michael Todd's headshot

"When I was moving house, there was no internet connection for a few days, and I had to rely on my mobile data. Thankfully, having a prepaid plan with data banking meant that I had plenty of data "in the bank" and didn't have to purchase a more expensive plan or recharge earlier for that month."

Michael Todd
Finder crew member

Which providers offer data banking or data rollover?

While data banking and data rollover are often used interchangeably, we've broken down our list based on the terms each provider uses.

Providers that offer data banking

ProviderPlan typeData banking limit
amaysimPrepaidUnlimited
BelongPostpaidUnlimited (you can keep your data even when you switch to another Belong plan)
Better Life MobilePrepaid500GB
Cmobile BluePostpaid500GB-1000GB
DodoPostpaidUnlimited
Everyday Mobile (Woolworths)Both500-1000GB
EZEE MobilePrepaid1000GB
felix mobilePrepaidUnlimited
KonecPrepaid500GB
LebaraPrepaid500GB
MATEPostpaid500-1000GB
MorePostpaid500-1000GB
PennytelPostpaid500GB
SpriggyPrepaid75-1000GB
SuperloopPrepaid500-1000GB
TangerinePostpaid500-1000GB
TeleChoiceBoth500-1000GB
TelsimPrepaid500GB

Providers that offer data rollover

ProviderPlan typeData rollover limit
ALDI MobilePrepaidUnlimited
Boost MobilePrepaidUnlimited, keep your data even when you switch between Boost's plans
Coles MobilePrepaid500-1000GB
ExetelPrepaid500-1000GB
JB Hi-FiPrepaid200GB
Lyca MobilePrepaid500GB
OptusPrepaid200GB
TelstraPrepaid200GB
VodafonePrepaid200GB
ZenSimPrepaid500GB

Compare mobile plans that let you bank unused data

The SIM-only plans listed below all have data banking or data rollover as an included feature.

6 of 190 results
Checked 10 October 2026
Finder Score Data allowance Ongoing price Special offer
9.1
80GB
Optus 4G/5G network
$40
per month
per month
$40
per month
per month
$40
$20
per month for first 4 months
Discount: $20/mth for first 4 months, then $40/mth. Ends 27 Oct 2026. Plan price may change. T&Cs apply.
$20Finder Rewards: Get this PLUS a $20 digital Visa gift card when you join Finder and buy an eligible moblie plan as a new Dodo customer. T&Cs apply.
$20$20$20 RewardT&Cs apply
T&Cs apply
Go to site View details
Compare product selection
8.7
50GB
Vodafone 4G/5G network
$35
per month
per month
$35
per month
per month
$35
$17.50
per month for first 3 months
Coupon code: $17.50/mth for first 3 months, then $35/mth. Use promo code FELIX50. T&Cs apply.
Go to site View details
Compare product selection
9.5
600GB
Vodafone 4G/5G network
$360
per 360 day recharge
per 360 day recharge
$360
per 360 days expiry
per 360 days expiry
$360
$180
for first recharge
Discount: $180 for first recharge, then $360/recharge. T&Cs apply.
$20Finder Rewards: Get this PLUS a $20 digital Visa gift card when you join Finder and buy an eligible moblie plan as a new Lyca customer. T&Cs apply.
$20$20$20 RewardT&Cs apply
T&Cs apply
Go to site View details
Compare product selection
EZEE Mobile logo
8.5
EZEE Mobile Extra 100GB
PrepaidNo lock-in contract
No special offer
8.5
100GB
Wholesale Telstra 4G/5G network
$45
per 30 day recharge
per 30 day recharge
$45
per 30 days expiry
per 30 days expiry
No special offer
Go to site View details
Compare product selection
EZEE Mobile logo
8.8
EZEE Mobile Everyday 80GB
PrepaidNo lock-in contract
No special offer
8.8
80GB
Wholesale Telstra 4G/5G network
$39
per 30 day recharge
per 30 day recharge
$39
per 30 days expiry
per 30 days expiry
No special offer
Go to site View details
Compare product selection
Superloop logo
8.3
Superloop Max 5G Plan
PrepaidNo lock-in contract
Bundle deal available
8.3
160GB
Wholesale Telstra 4G/5G network
$60
per 30 day recharge
per 30 day recharge
$60
per 30 days expiry
per 30 days expiry
Bundle deal available
Bundling discount: Pay $0 on second recharge when you bundle with a Superloop broadband plan. T&Cs apply.
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Showing 6 of 26 results

Finder Score for mobile plans

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Read the full methodology

Sources

Mariam Gabaji's headshot
Written by

Senior Utilities Editor & Tech Expert
Add to Preferred Sources

Mariam Gabaji is a journalist with 13 years of experience, specialising in consumer topics like mobile services and energy costs. Her work appears in the ABC, Yahoo Finance, 9News, The Guardian, SBS, 7News, A Current Affair and Money Magazine. Mariam holds a Bachelor of Arts in Journalism and was a finalist for the 2024 and 2025 IT Journalism Award for Best Telecommunications Journalist. See full bio

Mariam's expertise
Mariam has written 602 Finder guides across topics including:
  • Energy
  • Mobile
  • Broadband
  • Consumer tech
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2 Responses

    John's avatar
    JohnJune 5, 2023

    Do any plans allow data sharing between two users

      Mariam Gabaji's headshotFinder
      MariamJune 14, 2023Finder

      The big telcos such as Optus and Telstra offer data sharing if you sign up to their postpaid plans. You’ll need to compare the plans to find one the best fits your needs.

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