Fastry makes fasting simple, motivating, and scientifically effective. Track your fasting hours, follow personalized plans, stay consistent, and watch your transformation unfold.
Limited-time offer. Applies only to your first billing term.

Fastry helps you stay committed and see real results with:
Whether you're new to fasting or leveling up your routine, Fastry adapts to your lifestyle.
Start or end your fasting window with a single tap. Stay on track with smart notifications and automatic tracking.
16:8, 18:6, 20:4, OMAD, and fully customizable windows.

Join global challenges or follow structured fasting plans designed for fat loss, discipline, and wellness.

Track weight, hydration, and fasting statistics with detailed weekly, monthly, and yearly charts.
Document your journey with comparison photos that keep you motivated.

Understand fasting, metabolism, nutrition, and wellness through expert-written content.

Unlock badges, level up, and celebrate milestones along the way.

"The fasting timer makes staying consistent so much easier."
"Challenges keep me motivated throughout the week."
"Seeing my progress visually helps me stay disciplined."
"The before/after comparison is a game changer."
say the daily reminders help them stay consistent
feel more disciplined after joining challenges
report improved energy and reduced bloating
Thousands use Fastry every day to achieve their fasting goals
App Store fees are high — but through our website, we save money and pass that savings directly to you.
That's why you get up to 85% OFF, only available here.
These discounted prices are not available in the App Store.
All plans include full Premium access + free trial. Cancel anytime.
Perfect for trying it out
Perfect for long-term success
Perfect for getting started
These web prices are available exclusively here. App Store prices remain full price.
16:8, 18:6, OMAD, or build your own plan.
Fastry tracks your window and notifies you when to start or stop.
Weight, hydration, and fasting charts keep you accountable.
Stay motivated with daily momentum.
See your journey unfold visually.
Upload photos, compare side by side, stay motivated with visible progress.


Transform your lifestyle and build discipline with the smartest fasting companion.
This exclusive web offer ends soon.