Southern Phone mobile plans offer some of the best deals currently in Australia.
Southern Phone $10/month – No Contract Unlimited Calls, Texts & 1Gb data
They offer great bundles too on NBN & ADSL Broadband.
They are quite unique with their mobile plans of offering two networks on their Mobile Plans.
The cheapest with with Optus and the more expensive is with Telstra. You can also choose whether to pay month to month or for cheaper set up a 12 month contract with them.
Current Southern Phone Mobile Plan deals are listed above.