100% Free & Private

Master Fasting.
Transform Your Body.

The free fasting streak tracker. No account, no subscription. Track your consistency and watch your metabolism transform.

Start My Streak — Free No signup. No download. Just open and start.
100% Private No Account Needed Works Offline

Your body already knows how to heal. This just helps you stay consistent.

Start in 3 Seconds

No account. No app store. No friction.

Open the Link

Tap the button. FastTrack opens instantly in your browser.

Tap "Start"

One tap to begin. Your streak starts counting immediately.

Feel Progress

Track milestones, see your tree grow, and celebrate every day.

Everything You Need to Fast Smarter

Built for people who want to change. Every feature exists because it actually helps.

Live Fasting Timer

Track every hour of your fasting streak. Days, hours, minutes of metabolic transformation.

Growing Tree Visual

Watch your discipline grow from a seed into a golden tree as you stay consistent.

12 Milestones

Celebrate fat adaptation, autophagy activation, metabolic flexibility, and more.

Metabolic Phases

Track your body's changes: Adapting, Fat-Adapting, Metabolic Shift, Deep Ketosis.

Streak History

See your consistency over time. Longest streak, total fasting days, and trends.

Share Card

Generate a progress image showing your fasting consistency for accountability.

Streak Freeze

Life happens. 2 streak freezes protect your progress so one bad day doesn't erase everything.

Badge Collection

Earn badges for milestones and consistency. Track your achievements as you transform.

Science-Backed Recovery Phases

Your body goes through real changes. FastTrack shows you exactly where you are.

Day 0-3

Adapting

Your body is adjusting to the new eating pattern. Hunger hormones are recalibrating.
Day 3-7

Adjusting

Insulin levels are dropping. Your body is learning to access fat stores.
Day 7-14

Fat-Adapting

Metabolic switch is happening. Your body efficiently burns fat for fuel.
Day 14-30

Metabolic Shift

Autophagy increases. Cellular cleanup accelerates. Energy stabilizes.
Day 30-60

Autophagy

Deep cellular repair. Body composition is changing. Inflammation drops.
Day 60-90

Deep Ketosis

Metabolic flexibility is high. Your body efficiently switches between fuel sources.
Day 90+

Metabolically Flexible

Fasting is second nature. Your metabolism is optimized.

Your Privacy is Non-Negotiable

Your journey is personal. Your data should be yours alone.

No Account

No email, no password, no signup. Just open and start.

On-Device Only

All data stays in your browser. Nothing sent to any server.

Minimal Analytics

Cookieless, anonymous page view counts only. No personal data collected.

Works Offline

Install as an app. Works without internet once loaded.

Frequently Asked Questions

Yes. No subscription, no premium tier. Every feature is free. Unlike Simple or DoFasting, we will never charge you.
Most fasting apps charge $10-20/month and require accounts. FastTrack is 100% free, requires no account, and stores data only on your device.
FastTrack tracks your consecutive days of successful fasting. It's a consistency tracker — count each day you complete your fasting protocol.
If you completed most of your fasting window, keep the streak. If you fully broke protocol, use the reset — your history is preserved.
Autophagy is your body's cellular cleanup process, activated during fasting. Damaged cells are recycled and repaired. It typically increases significantly after 16-24 hours of fasting.
Yes. FastTrack works on any device with a modern web browser — phone, tablet, or desktop computer. Install it for offline access.
FastTrack is a web app that works in any browser. Install it on your home screen for an app-like experience — no app store needed.

Your Body Is Ready

Autophagy starts within hours. Every fasting day compounds. Begin now.

Start My Streak — Free No signup. No download. Just open and start.