Best pomodoro timer for marketers

There are roughly 200+ pomodoro apps on the market, but fewer than 10 seriously target marketing professionals specifically. The problem isn't the timer concept—it's that marketers use 6-8 different tools daily (Slack, email, analytics, social dashboards, project management), and jumping to a standalone timer app breaks their focus loop. Most pomodoro tools fail because they're one-size-fits-all: no integration with marketing calendars, no campaign-specific sprint modes, no time-tracking that syncs to billable hours or content production metrics. The gap is real: a pomodoro timer that lives as a browser extension or integrates natively with Asana, Hubspot, or Notion could own this niche. A new entrant should focus on three things: (1) embed the timer into the tools marketers already have open, (2) track time against specific campaigns or deliverables so marketers see ROI on their focus time, (3) add lightweight analytics showing which hours/days they're most productive for which work types.