Waterfaster

In-app purchases
Content rating
Everyone
5+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Waterfaster is built for water fasting and intermittent fasting. Track your fast, stay hydrated, and see how your body responds — all in one app.

WATER FASTING TIMER
Start your fast and follow your body in real time. See what's happening inside as the hours pass — from fat burning to autophagy.

INTERMITTENT FASTING
16:8, 18:6, 24h, or custom. Great as a daily practice or as preparation for longer water fasts.

HYDRATION
Log water and electrolytes throughout your fast. Staying hydrated matters — Waterfaster keeps you on track.

WEIGHT AND MOOD
Log your weight and mood to see how your body and mind respond to fasting.

CHALLENGES AND STREAKS
Take on fasting challenges, build streaks, and hit milestones.

ANALYTICS
Your fasting history, weight trends, and hydration in clean, simple charts.

No account needed. All data stays on your device.
Updated on
Jun 29, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection