SixteenEight

Your Personal
Fasting Companion

Track your intermittent fasting journey with ease. Simple, private, and designed to help you achieve your health goals.

SixteenEight
Currently fasting
68% complete
10:52:34
5h 8m remaining
8:00 PM → 12:00 PM
Plan: 16:8 Intermittent
7
Streak
16.2h
Average
24
Completed

App Screenshots

Available Now — Download for free on Google Play.

Everything You Need

Simple yet powerful features to support your intermittent fasting journey.

Track Your Fasts

Simple one-tap timer to start and track your intermittent fasting sessions with count up or count down modes.

Fasting Phases

See real-time metabolic phases from fat burning to autophagy as you fast.

Beautiful Stats

Beautiful charts showing streaks, averages, total fasting hours, and personal records.

100% Private

Your fasting data stays on your device. Your data is never sold or shared with third parties.

Fasting & Plans

Flexible tracking for any fasting style

Custom Plans

Create your own or use presets: 16:8, 18:6, 20:4, OMAD

Weekly Schedules

Different start times for each day of the week

Extend Anytime

Going strong? Extend beyond your goal

Full History

Review past fasts with detailed timing

Edit Past Fasts

Fix mistakes or log forgotten fasts

Progress & Analytics

Track your journey with insightful data

Weight Tracking

Log weight with interactive charts

Weight Trends

7-day, 30-day, 90-day trend lines

Weight Prediction

See projected goals based on trends

Streak Tracking

Current and longest streak stats

Monthly Calendar

Color-coded activity overview

Mood Tracking

Discover patterns in your wellbeing

Motivation & Reminders

Stay on track with smart notifications

Smart Reminders

Notifications when fasts complete or start

Custom Encouragements

Your own motivational messages

Water Reminders

Stay hydrated during your fast

Privacy & Data

Your data, your control

Works Offline

Core features work without internet

Export & Import

Backup and restore anytime

No Strings Attached

Seriously. I don't want your money or your data.

No Paywalls

Every feature is free. No premium tiers, no subscriptions, no in-app purchases.

Local-First

Your fasting data stays on your device. Never sold. Never shared.

No Catch

Built because I needed it myself and I wasn't happy with other apps. That's it.

Start Your Fasting Journey Today

Join thousands of users who are achieving their health goals with SixteenEight.