v3.26.1
Document And Entity Information - USD ($)
 12 Months Ended
Apr. 30, 2026
Jul. 20, 2026
Oct. 31, 2025
Document Information [Line Items]      
Entity Central Index Key 0001468492    
Entity Registrant Name HeartSciences Inc.    
Amendment Flag false    
Current Fiscal Year End Date --04-30    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2026    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Apr. 30, 2026    
Document Transition Report false    
Entity File Number 001-41422    
Entity Incorporation, State or Country Code TX    
Entity Tax Identification Number 26-1344466    
Entity Address, Address Line One 550 Reserve Street, Suite 360    
Entity Address, City or Town Southlake    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 76092    
City Area Code 682    
Local Phone Number 237-7781    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 10,400,000
Entity Common Stock, Shares Outstanding   3,899,491  
Auditor Firm ID 200    
Auditor Name HASKELL & WHITE LLP    
Auditor Location Irvine, California    
Warrant [Member]      
Document Information [Line Items]      
Title of 12(b) Security Warrants    
Trading Symbol HSCSW    
Security Exchange Name NASDAQ    
Common Stock [Member]      
Document Information [Line Items]      
Title of 12(b) Security Common Stock    
Trading Symbol HSCS    
Security Exchange Name NASDAQ