Explore your city in a new way. Download GeoSF on the App Store.

San Francisco is a city with history. It is ever changing and dynamic. See how your city looked 100 years ago - from your neighborhood corner to the Golden Gate Bridge.

Just pull out your phone, open the app, and immediately be transported to 20th century San Francisco. Make sure you have your location on (when in use) for the best experience.

Photos from the San Francisco Public Library San Francisco Historical Photograph collection. Location data provided by the Old SF project (an amazing project which has a beautiful visualization of all the images on their website).

Any suggestions, questions, or concerns? Or want to help expand this project? Please contact Elizabeth Petrov at Elizabeth.petrov@gmail.com.

Privacy: This app does not collect any data.