humm90 Mastercard review Australia, 18 months 0% balance transfer, up to 110 days interest-free and no overseas fees
humm90 Mastercard offers 18 months 0% balance transfer, up to 110 days interest-free on purchases and no overseas fees, making it easy to spread big buys and travel spend

Why Aussies are talking about the humm90 Mastercard
The humm90 Mastercard has landed as a contender for shoppers and travellers across Australia. With 18 months 0% balance transfer and up to 110 days interest-free on purchases, it’s built for people who want to spread big buys without immediate interest. That combination makes humm90 Mastercard stand out in a crowded market.
Australians who juggle renovations, holiday bookings or furniture runs to IKEA will appreciate the flexibility. No overseas transaction fees also makes it a smart pick for frequent flyers or anyone buying from international retailers, keeping extra costs off your credit card bill.
Balance transfers and interest-free purchase plans
The 0% p.a. balance transfer for 18 months (with no transfer fee) lets you consolidate expensive balances and pause interest while you pay down debt. Be mindful that the standard rate of around 25.99% p.a. applies after the promotional period if a balance remains, so plan repayments accordingly.
For new purchases, you can convert any spend over $250 into 9, 12 or 15-month interest-free instalment plans, and selected retail partners offer extended terms up to 60 months. That flexibility turns big one-off costs into manageable monthly payments without interest when used correctly.
Fees, rates and the fine print
The humm90 Mastercard carries a $99 annual fee and a purchase rate around 25.8% p.a., so it suits people who use the interest-free windows or instalment plans rather than carrying ongoing balances. Cash advances attract a higher rate of about 25.99% p.a., and BPAY repayments incur a $0.95 fee, so check how you’ll be paying.
Where it really saves is overseas spending: no foreign transaction fees removes the typical 2–3% surcharge you’d expect when travelling or shopping abroad. Read the T&Cs on promotional codes and eligibility, and ensure your income and credit history match the issuer’s requirements before applying.
Is the humm90 Mastercard right for your wallet?
If you’re disciplined with repayments and like to take advantage of interest-free periods, the humm90 Mastercard can be a practical tool for managing large purchases and overseas spending. It’s particularly handy for furnishing a new place, paying for a holiday with Flight Centre or splitting larger buys into interest-free instalments.
On the flip side, if you routinely carry a balance past promotional periods the high standard rates can bite. Compare alternatives if you need long-term low interest or generous rewards. Ready to take control of bigger expenses? Think through your repayment plan and the humm90 Mastercard could be a solid addition to your finances.