The Private, OfflineHabit Tracker

Track up to 10 habits for 100 days. Every entry stays on your device—no account, no cloud sync, no tracking. Free, and it works offline.

  • No account
  • No cloud
  • No tracking
  • Free
  • 100 days

Free on iOS and Android. No account, no cloud — your data stays on your phone.

The 100-Day Journey

Not 21 days, not 30. Real, lasting behavioral change needs time to compound. 100 days is your transformation window.

Days 1-14

Foundation

Building the routine, showing up consistently

Days 15-28

Rhythm

Finding your groove, patterns emerging

Days 29-56

Momentum

The breakthrough zone, real progress building

Days 57-84

Deepening

Habits becoming identity

Days 85-100

Mastery

Finishing strong, reflection on transformation

Everything You Need

Simple, focused tools for serious personal transformation.

Multi-Habit Tracking

Track up to 10 custom habits daily. Yes/no goals or number targets—your choice.

AI Weekly Coaching (Coming Soon)

Personalized insights that will analyze your patterns and provide actionable guidance.

Progress Analytics

Charts, streaks, and trends that help you understand your journey better.

100% Offline & Private

A local habit tracker in the literal sense: your data is stored on your device, never on a server. No account, no cloud sync, works offline.

Mobile App

Available on iOS and Android. Track habits and view your progress on the go.

7-Day Grace Period

New users get a week to adjust their tracked items. No pressure.

Why 100life?

This isn't a quick fix—it's a transformation.

1

Progress, Not Perfection

There's no failure in 100life, only information. Every data point helps you understand yourself better. Zero is valid data.

2

100 Days is the Window

Real, lasting behavioral change needs time to compound. 100 days is long enough to build identity-level habits, short enough to stay focused.

3

Your Goals, Your Rules

Every person has their own life and goals. 100life is fully customizable—you decide what matters to you.

4

Local, Private, Offline

Your habit data belongs to you alone. It is stored on your device, never uploaded, and the app works with no connection at all.

Frequently Asked Questions

Everything you need to know about building lasting habits with 100life.