CommBank vs Westpac Savings Accounts (2026)
A side-by-side, data-driven comparison of two of Australia’s most-compared savings accounts, using live Open Banking rates (5 September 2026).
CommBank
4.90%
- Rate typeBonus (conditional)
- Base rate0.10%
- ConditionsMonthly conditions
- Bonus cap$50,000
- FeeNo fee
Westpac
4.90%
- Rate typeBonus (conditional)
- Base rate0.10%
- ConditionsMonthly conditions
- Bonus cap$150,000
- FeeNo fee
On the headline maximum rate, CommBank leads today (4.90% vs 4.90%) — but the right pick depends on whether you can meet monthly conditions and how long you’ll hold the balance. CommBank requires monthly conditions; Westpac requires monthly conditions.
CommBank or Westpac: how they differ
Both CommBank GoalSaver and Westpac Life operate as conditional bonus savings accounts rather than fixed introductory offers. Under this model, the headline interest rate shown in the comparison table is earned only during calendar months where specific balance conditions are satisfied; failing to meet those terms causes the account to revert to a nominal standard base rate. Neither product mandates a linked everyday transaction account deposit or a monthly debit-card spend quota, separating them from accounts that require regular card activity.
The operational difference centres on the growth requirement. CommBank GoalSaver requires the account balance to increase by a defined minimum dollar increment by the end of the month, excluding interest payments credited by the bank. In contrast, Westpac Life requires the month-end balance to be higher than the month-start balance by any amount, allowing a net gain as small as one cent to activate the bonus rate. Both institutions enforce balance tier caps beyond which surplus balances earn reduced interest rates, making ongoing account monitoring necessary for larger deposits.
Deposits with Commonwealth Bank of Australia and Westpac Banking Corporation are covered under the Australian Government Financial Claims Scheme (FCS), protecting up to $250,000 per person per licensed authorised deposit-taking institution (ADI). Interest earned across both accounts is treated as assessable income and is taxable at individual marginal tax rates. Published rates remain indicative and can be altered by either bank at any time, requiring verification against current product terms.
Consider CommBank if you maintain a predictable savings habit and can reliably deposit and retain a fixed minimum sum each calendar month without triggering offsetting withdrawals. GoalSaver aligns with structured savings schedules where balance accumulation is consistent and total savings remain below the institution's bonus tier threshold.
Consider Westpac if your monthly cash flow varies and you require the flexibility to earn the bonus rate with variable deposit amounts. Westpac Life accommodates fluctuations in contribution size and permits mid-month withdrawals, provided sufficient funds are returned before the monthly cut-off to ensure the closing balance exceeds the opening balance.
Frequently asked questions
How do the monthly bonus criteria differ between CommBank GoalSaver and Westpac Life?
CommBank GoalSaver requires the account balance to grow by a predetermined minimum increment each month, excluding interest added by the bank. Westpac Life requires the closing balance at month-end to be greater than the balance at the start of the month, meaning any net positive growth qualifies for the bonus tier for that period.
What happens if a withdrawal is made during the month?
Withdrawals do not automatically forfeit interest, but they raise the deposit hurdle required to satisfy the growth rule. For CommBank GoalSaver, any withdrawn funds must be replaced alongside the standard mandatory minimum increase. For Westpac Life, withdrawals are absorbed so long as the final balance on the last business day remains higher than the opening balance on the first day. If the condition is missed, the lower base rate applies for that month.
Can funds be split across both accounts to maintain Financial Claims Scheme protection?
Yes. Commonwealth Bank and Westpac hold separate authorised deposit-taking institution (ADI) licences. Because the Australian Government Financial Claims Scheme guarantees up to $250,000 per account holder per licensed ADI, an individual holding deposits across both CommBank and Westpac benefits from separate $250,000 coverage limits with each institution.