# 66 Challenge

> Build habits in 66 days

Canonical page: [https://chrome-stats.com/d/id6758270405](https://chrome-stats.com/d/id6758270405)

## Overview

- **ID:** `id6758270405`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Moad Ghajjate El Fal
- **Category:** Productivity
- **Rating:** 5.00 / 5 (5 ratings)
- **Version:** 1.1.1
- **Last updated:** 2026-08-25
- **First published:** 2026-02-05
- **Size:** 18 MB
- **Data as of:** 2026-09-26
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/66-challenge/id6758270405)
- **Website:** [https://the66challenge.com/](https://the66challenge.com/)
- **Privacy policy:** [https://spiffy-muskmelon-f8f.notion.site/Privacy-Policy-66-Challenge-1e956f682ccc80f18d6ad0a347d8707f](https://spiffy-muskmelon-f8f.notion.site/Privacy-Policy-66-Challenge-1e956f682ccc80f18d6ad0a347d8707f)

## Description

92% fail their goals. 8% have a system. Track your habits for 66 straight days and become the person you keep promising yourself. First week free.

Transform your life one habit at a time with 66 Challenge - the science-backed app that helps you build lasting habits in just 66 days.

WHY 66 DAYS?
Research shows it takes an average of 66 days to form a new habit. We've built the perfect system to guide you through every single day.

KEY FEATURES:

- Daily Habit Tracking - Mark your habits complete each day and watch your streak grow

- Progress Visualization - See your 66-day journey unfold with beautiful progress tracking

- Streak Protection - Stay motivated with streak counts and milestone celebrations

- Progress Photos - Capture your transformation with optional daily photos

- Friends & Social Feed - Follow friends, celebrate their wins, and stay accountable together

- Squads - Join or create groups to challenge habits together

- Achievements - Unlock badges as you hit milestones on your journey

- Reminders - Never miss a day with customizable notifications

BECOME UNDENIABLE
Whether you want to exercise daily, read more, meditate, or build any positive habit - 66 Challenge gives you the structure, motivation, and community to make it stick.

Start your 66-day transformation today.

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Terms of Use: https://spiffy-muskmelon-f8f.notion.site/Terms-of-Service-66-Challenge-2f456f682ccc8026ac42f9567c526f57
Privacy Policy: https://spiffy-muskmelon-f8f.notion.site/Privacy-Policy-66-Challenge-1e956f682ccc80f18d6ad0a347d8707f

## Rankings

- #443,768 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6758270405)