VIVS · Registration Statement (Form S-1) · Filed July 31, 2026

Vivosim Labs Inc — S-1 exhibit

d121391dex231.htm

EX-23.1

Exhibit 23.1

LOGO


ROSENBERG RICH BAKER BERMAN, P.A.		www.rrbb.com

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-1 of our report dated July 14, 2026 (which report includes an explanatory paragraph relating to the existence of substantial doubt about the Company’s ability to continue as a going concern), with respect to the consolidated financial statements of VivoSim Labs, Inc., formerly known as Organovo Holdings, Inc., as of March 31, 2026 and 2025 and for the years then ended, included in the Company’s Annual Report on Form 10-K for the year ended March 31, 2026 and to the reference to our Firm under the caption “Experts” in the Registration Statement.

/s/ Rosenberg Rich Baker Berman, P.A.

Somerset, New Jersey

July 31, 2026

“RRBB” is the brand name under which Rosenberg Rich Baker Berman, P.A. and RRBB Advisors, LLC, and its subsidiary entities, including CFO Financial Partners LLC, provide professional services. Rosenberg Rich Baker Berman, P.A. and RRBB Advisors, LLC (and its subsidiary entities) practice as an alternative practice structure in accordance with the AICPA Code of Professional Conduct and applicable laws, regulations, and professional standards. Rosenberg Rich Baker Berman, P.A. is a licensed independent CPA firm that provides attest services to its clients, and RRBB Advisors, LLC, and its subsidiary entities provide tax and business consulting services to their clients. RRBB Advisors, LLC, and its subsidiary entities are not licensed CPA firms.

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