The Tonic App provides quick and easy access to the latest happenings at Tonic on Polk Street in San Francisco. Stay up to date with one-click directions, calls to Tonic and the latest menu. Features: * Browse the drink menu. * Favorite items. * Quickly create an invitation for friends to join you. * Get directions. * One touch call to Tonic. * Send feedback. * View the latest events and promotions.