Australia's most popular mobile SIM plans
Felix Mobile
First month $0
$35
Unlimited data

at speeds up to 20Mbps

*Deal: 1st Month Free! Switch to felix mobile with your first month free. Use code FELIX, then $35/mth. New customers only. Ends 30.11.22.  

Free Month: Get the first month free when you sign up to the felix $35 subscription. Use promo code FELIX. $35/mth after the first month. Offer available to new customers only. Offer ends 30/11/22. T&Cs apply.

Offer ends: 30 November 2022

Optus
10GB
$30
40GB

*Deal: 40GB total data on first three $30 Epic Data recharges. 10GB Data from 4th recharge onwards

40GB for $30: Receive 10GB standard data and 30GB bonus welcome data on first three $30 Prepaid Epic Data recharges. Available after 1/03/21. Applies to first three recharges within 90 days of activation. Excludes SIM swaps and rate plan changes. After 3rd recharge, $30 recharge gives you 10GB standard data.

Iinet
$29.99
$15
40GB

Deal: $15/mth for the first 6 months, then $29.99/mth. Plus 80GB bonus data when bundled with any active iiNet internet plan 

Half Price: $15 per month for the first 6 months, then $29.99 thereafter. Available for new iiNet mobile customers only. Terms apply.

Bundle Offer: Get 80GB bonus mobile data per month on the Large 40GB Mobile Plan when you bundle with any active iiNet internet plan. T&Cs apply.

According to our sister site WhistleOut, these SIM plans are the ones readers are interacting with the most. Of course popularity isn't everything (didn't you learn that in high school?), but it is a good indicator of what is working for other people.

Plus if someone else got a good deal, why shouldn't you? 

Popular SIM plans under $20
Catch Connect
What you're loving:
Catch Connect's plan doesn't actually have a catch. The 30-day expiry plan gets you 18GB for $15. No contracts. No discounts.
Iinet
Also worth considering:
iiNet's Mobile 40GB Plan is also popular. With their current discount promo, you will get 50% off for the first 6 months.
More popular mobile SIM plans
Popular SIM plans under $30
Amaysim
What you're loving:
amaysim's $30 recharge is down to $10 for the first renewal and will snag you 38GB bonus data on top of the usual 32GB.
Lebra Mobile
Also worth considering:
Lebara's Small Plan is $24.90 for 25GB of data. No timed discounts, or bonus data, but you can get 10% off if you set up Auto Recharge.
More popular mobile SIM plans
Popular SIM plans under $40
Amaysim
What you're loving:
amaysim's $30 recharge is down to $10 for the first renewal and will snag you 38GB bonus data on top of the usual 32GB.
Iinet
Also worth considering:
iiNet's Mobile 40GB Plan is also popular. With their current discount promo, you will get 50% off for the first 6 months.
More popular mobile SIM plans