Three of the big banks were among deposit-takers who cut savings account rates in October, with rates coming off by as much as 25 basis points.According to comparison site Mozo, ANZ cut the base rate on its Online Saver by 20 bps to 1.8 per cent, although it maintained the three-month introductory rate at 2.85 per cent.National Australia Bank cut ten bps off its iSaver rate (down to 1.8 per cent) and also took ten bps off the four-month introductory rate, which is now 2.5 per cent.Westpac took 21 bps off the three-month introductory rate of its eSaver account (now 3.1 per cent), while Westpac subsidiaries St George, Bank of Melbourne and BankSA cut their MaxiSaver introductory rates by 25 bps.Bank of Sydney, Community Mutual, Gateway Credit Union, Queensland Country Credit Union and Rams also cut savings rates, Mozo said.Savers have not been deterred by the rate cuts, According to the latest Australian Prudential Regulation Authority banking statistics; bank retail deposits grew by 0.5 per cent in October, compared with the previous month, and by 8.7 per cent over the year to October.The 12-month growth rate in deposits is higher than growth in mortgage balances, at 7.5 per cent.The top introductory rate on a savings account is now 3.5 per cent (for four months) on RaboDirect's High Interest Savings account. The top base rate is 2.6 per cent on AMP's Saver account and Rural Bank's Saver. The base rate on RaboDirect's High Interest Savings account is 2.55 per cent.