Found this on their facebook page.
https://www.spintel.net.au/products/mobile
$25 Sim and delivery fee waived for new customers. Ends today (19/9) @ 7PM.
- On Optus 4G network
- Flexible plans (you can mix and match calls, sms and data limits)
- Data is counted per KB (not MB)
- Auto bump ($1, $2 or $3) when you reach the limit for each section.
- Cheap calling and SMS rates depending on what tier you are on
- No contracts or exit fees
This might be a good alternative for those wanting to port away from Vaya or LC with their recent price increase.
Whirlpool thread: http://forums.whirlpool.net.au/archive/2230265
There is an affiliate thread here too: https://www.ozbargain.com.au/node/130626
can you confirm that the data counted per KB and not MB?