Prep Clock: Backward Timer

Plan Backward. Leave On Time.

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Work backward from when you must arrive. Prep Clock tells you when to start getting ready. 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. - Manually import selected Calendar events and attach a prep routine. No background calendar 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/

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This update makes planning easier to read and manage: - Clearer selected controls, Buffer choices, task rows, and recurring weekdays, including larger accessibility text. - More readable Pro feature cards, plan details, and subscription disclosures. - Improved iPad sidebar, onboarding, and scrolling headers. - Clearer Calendar Import guidance: choose an event and attach a routine; no background sync. - Improved reminder cancellation/rescheduling and initial arrival-time suggestions.

The developer, Ryan Tinklepaugh, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Location
    • Identifiers
    • Usage Data
    • Diagnostics
    • Other Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • Ryan Tinklepaugh
Size
  • 17.8 MB
Category
  • Productivity
Compatibility
Requires iOS 18.0 or later.
  • iPhone
    Requires iOS 18.0 or later.
  • iPad
    Requires iPadOS 18.0 or later.
  • Mac
    Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 2.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Uncommon Weather LLC