Experience the flip that transforms your foot care routine
Your SandalTimer has calculated your next reminder based on a 21-day cycle. You'll receive a notification on July 13, 2026
🌊 Continued use improves accuracy based on your personal growth patterns
1. Flip - After trimming, flip your SandalTimer hourglass
2. Learn - The app learns your unique nail growth cycle
3. Remind - Get perfectly-timed reminders before sandal season