Prep Clock: Backward Timer
Ryan Tinklepaugh Productivity iPhoneiPadiPod touch
Prep Clock: Backward Timer is a free Productivity app for iPhone and iPad by Ryan Tinklepaugh. Requires iOS 18.0. Updated October 3, 2026.
- Price
- Free
- on the App Store
- Size
- 17 MB
- Age 4+
- Updated
- Oct 3
- 2026 · v1.0.12
Screenshots
About 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. - 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/
What’s new
Version 1.0.12 · Updated October 3, 2026
This update improves legal-consent reliability: - Keeps withdrawal choices durable if a saved receipt cannot be read or the app is interrupted. - Improves safe recovery of an interrupted acceptance request. Existing planning, timers, Calendar Import, reminders, purchases, and prices are unchanged.
App privacy
The developer, Ryan Tinklepaugh, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- Location: Coarse Location
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
- Diagnostics: Performance Data, Other Diagnostic Data
- Other Data: Other Data Types
Used for: Analytics, App Functionality, Other Purposes
Alternatives to Prep Clock: Backward Timer
Looking for apps like Prep Clock: Backward Timer? Here are 6 similar apps on the App Store. The highest rated is Ready Time (4.7/5), and all 6 are free to download.
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Ready Time
4.7
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ReadyBy Planner: Never Be Late
4.5
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Commute Prep - MorningRush
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Hey OnTime: Meeting Reminder
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NextStep: Visual Routine Timer
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ThruFlow
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Prep Clock: Backward Timer | – | Free | October 3, 2026 | |
| Ready Time | 4.7 / 5 (10) | Free | Oct 22, 2026 | Compare |
| ReadyBy Planner: Never Be Late | 4.5 / 5 (2) | Free | Feb 20, 2026 | Compare |
| Commute Prep - MorningRush | – | Free | Aug 23, 2026 | Compare |
| Hey OnTime: Meeting Reminder | – | Free | Sep 25, 2026 | Compare |
| NextStep: Visual Routine Timer | – | Free | Oct 17, 2026 | Compare |
| ThruFlow | – | Free | Sep 20, 2026 | Compare |