Finding clean, accessible public toilets remains a universal pain point, especially for parents, disabled travelers, and LGBTQ+ individuals.
An app that crowdsources and verifies toilet locations with photos, cleanliness ratings, and detailed accessibility features (e.g., grab bars, height). Local businesses could sponsor listings to direct foot traffic.
MVP: Import OpenStreetMap toilet data with simple filtering, letting users submit corrections and photos.
Risk: Maintaining data accuracy without local moderation partners.