Lifestack

Lifestack is an AI-powered daily planner for remote workers, ADHD planners, and wellness-focused professionals that schedules tasks around predicted energy levels from wearable data.

Key capabilities include:

• Energy-based scheduling with an energy heatmap that predicts peaks and dips using sleep, activity, and heart-rate signals from Apple Watch, Oura, WHOOP, Fitbit, and Garmin, plus Apple Health syncing.
• Smart time-blocking that aligns deep work, meetings, routines, and rest with circadian rhythm insights to help reduce burnout.
• Calendar and task syncing with Google Calendar, Outlook, Todoist, Trello, Notion, and TickTick to keep plans and to-dos in one schedule.
• Chat-based AI copilot for planning days and routines, plus real-time recommendations in context.

Pricing: Freemium with a 7-day free trial; paid plans include monthly (about $4.99 to $7/month), annual (about $42 to $50/year), a $120 lifetime option, and custom team plans.

What makes it notable: unlike standard calendar apps, it uses wearable-derived health signals to proactively recommend when to do demanding work versus lighter tasks, making planning more body-aware across Web, iOS, Android, and a Chrome extension.