Exhibit 15.3

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-254990) pertaining to the Share Incentive Plan of iHuman Inc. of our report dated April 24, 2026, with respect to the consolidated financial statements of iHuman Inc. included in this Annual Report (Form 20-F) for the year ended December 31, 2025.

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