About this app
Help your customers find the ideal size for helmets, hats, wigs or caps in seconds. TWIWT's Head Measurement App uses the shopper’s own camera to measure head circumference with ±1 mm accuracy. No measuring tape, no rulers, no cards needed, just an easy experience inside your Shopify store. With precise sizing, customers buy with confidence, leading to higher conversions and fewer returns. Finding the ideal fit online is easy with TWIWT’s Head Measurement Tool.