Quick answer
Honest first: Independent Reserve is our highest-rated Australian exchange (4.6/5). Before switching, be clear why. If you're an SMSF trustee, active trader, or trust-conscious investor, no alternative genuinely beats IR on those specific measures.
If you want more coins, CoinSpot is the direct upgrade. IR's 44 blue-chip selection is deliberately curated. CoinSpot's 490+ covers everything IR does plus a much wider tail of mid-cap altcoins. Fees on CoinSpot Markets (0.1%) are actually lower than IR's retail tier (0.5%).
If you want better UX and support, Swyftx. The mobile app is significantly more polished than IR's, 24/7 live chat is free (IR restricts live chat to Premium accounts), and the demo mode helps beginners.