Prep Clock: Backward Timer

Leave on time without guessing. Prep Clock starts with your arrival time, works backward through travel and preparation, and tells you exactly when to begin.

PLAN THE WHOLE DEPARTURE

• Build reusable routines from real prep steps.
• Add destination, travel mode, buffer, and arrival time.
• See start-prep, leave, and arrive times together.
• Run tasks step by step with per-task timing.
• Recalculate when traffic or the plan changes.
• Use Running Late mode to see an honest updated arrival estimate.

LEARN YOUR REAL TIMING

• Record how long tasks actually take.
• Compare planned and observed duration ranges.
• Apply adaptive estimates to future plans.
• Generate upcoming events from recurring prep plans.

FREE

• Up to three upcoming events and three custom routines.
• Core backward planning and commute calculation.

PREP CLOCK PRO

• Unlimited events and routines.
• Recurring plans and adaptive timing.
• Calendar import and sync.
• Running Late mode and additional travel modes.
• Home Screen widgets and Lock Screen Live Activities.

Calendar, location, and notification permissions are requested only when the related feature needs them. Schedule, task, and location details are not sent to an AI service.

Subscriptions renew automatically unless canceled in your Apple ID settings. Restore an existing purchase from Settings > Restore Purchases.

TERMS OF USE Product Terms of Use: https://www.uncommonweather.com/legal/apps/prepclock-terms.html Apple Standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/