Buffer: Plan & Schedule Posts

Buffer is a social media management application that helps users plan, schedule, and publish content across multiple social media platforms. It provides tools for content organization, automated posting, and performance analytics to help users grow their online presence.

Buffer is a social media scheduling app that directly matches the core concept. It offers multi-platform scheduling, queue and calendar views, multi-account management, and is available as a mobile app. The description explicitly mentions scheduling to various platforms, a visual calendar, and managing posts. It also offers in-app purchases for different tiers and provides email support.