Can choose Standard or Family plans and Premium or Hi-Fi sound quality.
Make sure you click 'Family' plan and 'Hi Fi' for best sound quality and up to 5 users.
Credit card required for sign up but you can cancel straight away without charge and you will still get the 3 months full usage.
Promotional campaign runs until 1.10 for new TIDAL users only. The promotional campaign can only be used once. After the promotional period, you continue to listen for:
NZ$14.99 / month for a Premium Standard subscription
NZ$29.99 / month for a HiFi Standard subscription.
NZ$22.49 / month for a Premium Family subscription
NZ$44.99 / month for a HiFi Family subscription.
I signed up a couple of days ago with a VPN set to Argentina (thanks to a tip in the Amazon thread). You can get HiFi for ~$2 per month. I used a CyberGhost 24hr trial.