After washing, water dries instantly on PPF/ceramic coating leaving water marks, and the car has a greasy residue after detailer maintenance.

No tool exists for the car owner to remove residual detailer products or diagnose causes of instant drying, leading to water spots and frustration.

Severity

3Medium

Willingness to Pay

implied

Added

May 25, 2026

App Concept

SpotShield Diagnose & Treat

SpotShield is a mobile app and companion kit that helps car owners identify and fix water spot issues after washing. Users scan their car's surface with the phone camera; the app analyzes the beading pattern and suggests a targeted wash additive or wipe-on spray to prevent instant drying. It also logs detailer visits to flag recurring greasy residues.

Key Features

Camera-based surface analysis to detect hydrophobic over-application or contaminants
Personalized wash additive recommendations to adjust surface energy
Detailing visit tracker with residue type logging
DIY spot removal guide with step-by-step video

Target Users: Car owners with PPF/ceramic coatings who wash their own cars and visit professional detailers for maintenance

Revenue Model: $9.99 one-time app purchase, plus in-app purchases for custom wash additives at $14.99/bottle

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