Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-203184, 333-132624, 333-170515 and 333-221514) of TransAct Technologies Incorporated of our report dated March 18, 2019 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

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/s/ PricewaterhouseCoopers LLP

Hartford, Connecticut

March 18, 2019