Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of Apptio, Inc. of our report dated February 21, 2018  relating to the consolidated financial statements, which appears in Apptio, Inc.'s Annual Report on Form 10‑K for the year ended December 31, 2017. 

/s/ PricewaterhouseCoopers LLP
Seattle, Washington
May 7, 2018