Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use in this Registration Statement on Form S-1 of our report dated August 18, 2017, except with respect to Notes 3, 7 and 8 for which the date is November 6, 2017, relating to the financial statements of Yappa World, Inc., appearing in the Prospectus, which is a part of such Registration Statement, and to the reference to us under the heading “Experts” in such Prospectus.

/S/ Thayer O’Neal Company, LLC

Thayer O’Neal Company, LLC

Houston, Texas

November 7 , 2017