FastUp - Fasting Timer

Track fasting, eating windows, reminders, and weight trends without accounts or subscriptions.

FastUp is a simple intermittent fasting timer built for people who want the essentials without accounts, cloud sync, or subscriptions.

Start a fast in one tap, follow your remaining time, and move into an eating window when the fast is complete. Choose a common intermittent fasting plan or create your own daily rhythm, then review past fasts and weekly consistency over time.

Features:

• One-tap fasting timer
• 14:10, 16:8, 18:6, 20:4, and OMAD-style plans
• Custom fasting plans
• Eating window countdown after completed fasts
• Optional fast-end and daily start reminders
• History log with completed and short fasts
• Streak and weekly completion summary
• Optional weight trend tracking
• Companion watchOS app
• 100% offline storage

FastUp stores your data on your device. No account, no analytics SDKs, no tracking.