Smash is an integrated apps for trash management in Indonesia. Our work described in three stages : 1. Connecting all available trash bank in Indonesia (more than 3,000 on 2016). Apps is hosted on www.banksampah.id. 2. Increase urban participation with mySmash, an app that connecting people to Trash Bank near them. Uniqueness of mySmash is features for locating nearest Trash Bank, Trash Pickup Services, Online Store for Trash Craft and Smash-Pay, e-money that converted from trash deposit. With Smash-Pay, people could buy airtime bills, pay for electricity, donation, etc. 3. Collaborating with local governments as Smart City modules for trash management called e-Smash.