The credit card for smart spenders

humm®90 is a Platinum Mastercard® that gives you up to 110 days Interest Free* on everyday purchases and flexible instalment plans for larger purchases+.

Up to 110 days 
Interest Free*

Get up to 110 days Interest Free* on everyday purchases, online & instore.

Interest free plans 
for bigger buys+

Turn any purchase over $250 into an Interest Free instalment plan which you can repay over 9, 12 or 15 affordable months.

No international 
transaction fees.

Save when shopping overseas or at your favourite international websites.

humm90 Rates & Fees

Everyday spend

0
%
p.a.
Get up to 110 days Interest Free* on everyday purchases.
26.30
%
p.a.
humm90 Purchase Rate applies after 110 days

Long term finance

0
%
p.a.
on Long Term Finance deals.
See where you can shop interest free2.
26.49
%
p.a.
Expired Promotional Rate applies to outstanding balance at the end of the interest free period.
$9.95
Monthly account fee (waived for the first 12 months)

Eligibility criteria

Be 18+ years old

Earn $25,000+ p.a.

Have a clear credit file

Be a permanent Australian resident

How to apply

Apply online

Be ready with your mobile number, email and Australian driver’s licence or passport.

10 minutes to complete

Application is quick and easy.

Start tapping!

Once approved, shop double the Interest Free* days of most credit cards, everywhere Mastercard is accepted.

WeMoney Awards

In this year’s WeMoney Travel Awards, humm90 was awarded Best for Flexibility and Excellent Rates & Fees! Apply for humm90 to enjoy up to 110 days Interest Free1 when booking your trip anywhere.

What our customers are saying

T&Cs
^ Promotional offer available only for applicants who have applied for, been approved and opened a new humm®90 Platinum Mastercard® account between 12:00am AEST on 11/09/2025 and 11:59pm AEDT on 23/10/2025 (“Application Period”). Fees, terms, and conditions apply. Applicants need to apply via the campaign landing page https://humm90.com/au/promotion/200back and use the promo code ‘200BACK’ in the promo field on the first page of your application. No monthly fee on account opening for the first 12 months, however a $9.95 Monthly Fee will be charged on the anniversary of your humm90 Account opening and monthly thereafter; which attracts interest (charged at the humm90 Purchase Rate, currently 26.30% p.a) from the date charged unless fully paid within Interest Free Period and the Interest Free Criteria are met. To be eligible for $200 back, the cardholder must spend $2,000 or more using humm90 Platinum Mastercard on eligible card spend transactions within 120 days of account opening (Offer End Date). Eligible card spend transactions do not include cash advances, balance transfers, Long-term Finance purchases, IKEA card swipe transactions over $250 and Electronic Funds Transfer (EFT). Transactions may take up to 3 days to clear. $200 will be credited to your account within 30 days of Offer End Date. Account must be open and not in default of the credit contract when $200 back is applied. Minimum monthly repayment required. This offer is not transferable. humm90 may change, withdraw or end this offer at any time.