SAN FRANCISCO (AP) — A newcomer to San Francisco has created a free app to make it easier for people to report poop and used needles on the city's famously dirty streets.

Sean Miller, 24, moved to San Francisco from Vermont after college last year and says he was astonished by the amount of public grime. His "Snapcrap" app was released over the weekend for iOS users and declares itself the "fastest way" to request cleaning in San Francisco.

"See something gross? Just snap a photo and press submit," the app's description reads.

The photos are passed to the city's Public Works department, which...