Exhibit
23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No.
333-129576) of iRobot Corporation of our report dated February 25, 2008 relating to the
consolidated financial statements and the effectiveness of internal control over financial
reporting, which appears in this Form 10-K.
/s/
PricewaterhouseCoopers LLP
Boston, Massachusetts
February 25, 2008