EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 of Tier Technologies, Inc. of our report dated October 15, 1998 relating to the financial statements of Infact Unit Trust, which appears in the Current Report on Form 8-K/A of Tier Technologies, Inc. dated October 20, 1998. /s/ PricewaterhouseCoopers PRICEWATERHOUSECOOPERS Sydney, Australia October 20, 1998