Aussie savers 'missing out on thousands' in bonus interest trap
- Complex savings account conditions could be costing Australians more than $2,000 a year
- The finding comes from modelling earnings from a no-conditions savings account compared to those offered by the big four banks
- The research from AMP Bank GO found Australians are 'fed up' with complex savings products
The data shows a saver with $40,000 stands to lose up to $2,177 a year if they fail to meet bonus conditions that come with big four high-interest savings accounts.
The modelling has come from AMP Bank GO, a digital platform of financial services giant AMP, which offers no-condition savings accounts as well as term deposit products.
AMP GO ran the figures comparing its savings account returns to averaged returns of the big four banks' high-interest savings accounts over one year.
The big four's highest interest savings accounts all require savers to meet various conditions to achieve their top interest rates.
Here's what the modelling found under three scenarios:
| Savers' bonus behaviour (Big 4 average) | Compared to a no-catches rate (with AMP Bank GO) |
| Meet bonus every month | +$33 better off |
| Meet bonus conditions 6 months of the year | +$1,036 better off |
| Never meet bonus conditions over 12 months | +$2,177 better off |
Under all three scenarios, the modelling showed a saver would be better off over 12 months earning AMP GO's no-conditions, consistent interest rate each month - even if they always met big four bonus interest conditions.
Currently, three of the big banks are advertising higher interest rates than the 5.10% p.a. now offered by AMP Bank GO.
The fourth (ANZ Plus' Growth Saver) matches AMP GO's 5.10% p.a. but only when bonus conditions are met.
Beware the fine print
The catch is many advertised rates are often handsome introductory rates for new account holders which generally apply for the first several months before reverting to more modest rates.
See also: The different types of savings account interest rates
In many cases, on top of that, account holders must also meet certain monthly conditions to earn the top interest rate.
These can include:
- a set number of debit card transactions a month
- minimum monthly deposits
- balance growth requirement
- no, or limited, withdrawals
- meeting age requirements (necessary to open some high-interest savings accounts or to earn additional bonus interest)
Failure to meet all conditions set down can often result in the account holder earning negligible, even no, interest for the month.
Australians 'fed up' with the complexity
AMP GO's research found more than half of its survey respondents said savings account are "too complicated".
Around seven in 10 people believe banks are deliberately trying to catch people out to avoid paying them the top interest rate.
There may be some basis for the suspicion given Australia's big four banks reportedly hold almost $370 billion between them in low or zero-interest accounts.
AMP Bank Go director John Arnott said there's a growing gap between what savers see advertised and what they actually earn in interest.
"When interest rates go up, people assume their savings will benefit automatically - but if you're not meeting every conditions, that often isn't the case," he said.
"For many Australians juggling busy lives, the reality is those hoops are easy to miss. And that can cost you thousands over time."
He's urged Australians to look beyond the headline rate when comparing savings accounts.
"Short-term 'honeymoon' offers can act like a bait-and-switch - delivering a strong return upfront before dropping back to a much lower base rate, often with little visibility," Mr Arnott said.
Consumers fight back
In recent years, Australians have been voting with their feet to put their cash in savings accounts that pay fair interest regardless of whether they meet conditions.
This was the strategy challenger bank Macquarie Bank pursued in the retail savings space with its highly successful 'no strings' Savings Account.
In its full-year results to March 2026, Macquarie reported its deposit book had grown to $215 billion - a 25% increase over 12 months compared to industry-wide deposit growth of around 8%.
Other banks, often via digital-only products, also offer no - or low condition - savings products, including AMP Bank GO which launched its savings account in July 2025.
Macquarie Bank's Savings Account currently pays an ongoing variable rate of 5.00% p.a. after a four-month welcome rate of 5.35% p.a.
Since its launch, AMP GO, with its 5.10% p.a., has generally positioned itself at a slightly higher rate than Macquarie's ongoing savings rate.
It seems to have struck a chord in the market with AMP reporting to the ASX its GO brand was on target to achieve deposits of $1.5 billion in just its first 12 months.
Other newer products, such as Judo Bank's personal savings account, pay higher rates but with limited conditions attached.
Judo is currently offering 5.35% p.a. with one requirement, a $300 monthly deposit.
Market analysts believe consumers are actively seeking simpler savings products that don't require constant vigilance to achieve the top rate.
Are you earning good interest on your savings?
After three consecutive cash rate increases to kick off 2026, many Australians could be forgiven for assuming their cash is earning a fair interest rate in their savings accounts.
See also: Which banks lifted savings rates after the May 2026 cash rate rise?
The highest rate currently being offered on the market is 5.85% p.a. via Ubank's high-interest savings account and ING's Savings Accelerator - both are introductory rates and conditions apply.
However, most Australians are earning far less in interest, many through not meeting the requirements of overly complex savings products, an issue highlighted in an Australian Competition and Consumer Commission report in 2023.
It found 71% of Australian savings account holders did not receive the top bonus interest rate during its review period.
The report said complex conditions and bonus structures made it difficult for customers to compare accounts and consistently earn top rates, with many missing out on bonus interest altogether.
While the ACCC recommended banks be more proactive in warning customers they were about to miss out on bonus interest, it remains largely up to consumers to protect their own interests.
It is likely a factor in Macquarie's growing deposit market share and the entry of more no - or low - condition products in the market.
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Need somewhere to store cash and earn interest? The table below features savings accounts with some of the highest interest rates on the market.
| Bank | Savings Account | Base Interest Rate | Max Interest Rate | Total Interest Earned | Introductory Term | Minimum Amount | Maximum Amount | Linked Account Required | Minimum Monthly Deposit | Minimum Opening Deposit | Account Keeping Fee | ATM Access | Joint Application | Tags | Features | Link | Compare | Promoted Product | Disclosure |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.05% p.a. Bonus rate of 5.30% Rate varies on savings amount. | 5.35% p.a. | $1,097 | – | $0 | $249,999 | $0 | $0 | $0 |
| Promoted | Disclosure | ||||||||
2.25% p.a. Bonus rate of 3.15% Rate varies on savings amount. | 6.00% p.a. Intro rate for 4 months then 5.40% p.a. | $1,134 | 4 months | $0 | $499,999 | $0 | $0 | $0 | Promoted | Disclosure | |||||||||
4.00% p.a. | 5.90% p.a. Intro rate for 4 months then 4.00% p.a. | $936 | 4 months | $0 | $249,999 | $0 | $1 | $0 | Disclosure |
