Pricing

Every calculator on SleepCycleCalc is free, and the core tools will stay free. A Pro tier is planned for people who want the site to remember their rhythm — it is not available yet, and nothing is billed today.

Free

$0

  • Sleep cycle, bedtime and wake-up calculators
  • Sleep-now tool and nap calculator
  • Sleep debt calculator and age-based sleep needs guide
  • Adjustable fall-asleep buffer
  • No sign-up, no ads in the tools, nothing uploaded

Use the calculator

Pro — coming soon, not billed

$9/month

  • Saved wake-time schedules for workdays, weekends and travel
  • A personal cycle-length calibration based on your own wake-feel log
  • Gentle bedtime reminders timed to your chosen cycle
  • Sleep debt tracking across weeks, not just one estimate

Pro is in development. There is no checkout and no charge — this page simply records the planned price honestly.