40-Day Habit System

Build a habit.
Keep a commitment.
40 days at a time.

Track your Kabula with Hebrew or Gregorian calendar. Check in daily, reflect on your journey, and grow together with friends and family.

Create Your Goal How It Works
Free to use
Hebrew Calendar
Group Goals
Day
27 / 40
Streak
12 days
My Kabula
Active
Don't talk in shul Started Rosh Chodesh Iyyar  ·  27 days in
Progress 67%
40-Day Timeline
YL
12-day streak  ·  3 members in your group
40
Days per commitment cycle
2
Calendar systems: Hebrew & Gregorian
100+
People building better habits
Our Mission

Rooted in tradition.
Built for today.

The 40-day rule for changing a habit stems from the teachings of Rabbi Elimelech of Lizhensk (the Noam Elimelech) in his Tzetel Katan. He taught that the key to breaking a negative trait or ingrained habit is to actively practice the complete opposite behavior for 40 consecutive days, allowing the new, positive action to become second nature.

Kabula Tova brings that timeless wisdom into your daily life. Whether you're taking on a spiritual commitment, a personal discipline, or a shared group goal, we give you the structure to see it through.

With full Hebrew calendar support, daily check-ins, reflective journaling, and group accountability, every kabula you make becomes a journey worth tracking.

27
of 40 days
How It Works

Three steps to a better you

No complicated setup. Just a simple, proven system for lasting change.

01
Step One
Set your Kabula
Name your 40-day commitment and choose your start date in either the Hebrew or Gregorian calendar. The app instantly builds your personal timeline.
02
Step Two
Check in daily
Each day, mark your status (Success, Struggled, or Missed) and add a personal reflection. Milestones at days 7, 14, 21, 30 and 40 keep you motivated.
03
Step Three
Grow together
Share your goal with a link. Friends join, post updates, and react to each other's progress. Accountability makes 40 days feel possible.
Features

Everything you need to succeed

Hebrew & Gregorian Calendar
Set your start date in Hebrew dates like Nisan, Iyyar, Tishrei and more, or use standard Gregorian. The timeline renders both, automatically.
Group Accountability
Share a link with friends. They join your goal, post daily updates, and cheer each other on.
Daily Reflections
Log a note each day. Your journal builds into a record of growth you can look back on.
Milestone Celebrations
Reach days 7, 14, 21, 30 and 40, and each one triggers a celebration to keep momentum going.
Multiple Goals
Run several kabulot at once. Each gets its own timeline, progress tracking, and share link.

Ready to start your
40-day journey?

Your kabula is waiting. Set your commitment, pick your start date, and begin building the habit today.

Create Your Goal
Free  ·  No credit card  ·  Sign in with Google