Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the reference to our firm under the caption "Experts" and to the use of our reports dated April 28, 2021, except for the reclassification of employee and employee related expenses disclosed in Note 1, as to which the date is September 24, 2021, in Amendment No. 3 to the Registration Statement (Form S-1) and related Prospectus of Expensify, Inc. for the registration of shares of its common stock.

/s/ Ernst & Young LLP

San Francisco, California

October 15, 2021

A member firm of Ernst & Young Global Limited