# 66 day journey — Build habits in 66 days

> Build habits in 66 days (iPhone/iPad app by Ruben Peregrina Aroca.)

- Source: https://appshunter.io/ios/app/66-day-journey/id6758518524 (this page in markdown: same URL + `.md`)
- Developer: [Ruben Peregrina Aroca](https://appshunter.io/developer/1873300395)
- Category: Lifestyle, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 33 MB
- Languages: American English
- Released: 2026-04-14
- Data updated: 2026-06-12
- User reviews in markdown: https://appshunter.io/ios/app/66-day-journey/id6758518524/reviews.md

## What is 66 day journey?

Transform your life in 66 days with the power of habit loop science.

Why 66 days? Science proves this is the time needed to turn an action into an automatic habit. With our app, every day counts on your journey to becoming your best self.

- Habit Loop Science
Based on scientific research about habit formation. Build routines that sustain themselves.

- Rewards System
Unlock badges, level up, and keep your motivation high with the Rewards Center. Every completed day brings you closer to your next milestone.

- Personalized Tracking
Visualize your progress with intuitive charts, check your current streak, and discover patterns in your monthly consistency.

- Intuitive Design
Create custom habits from scratch or choose from pre-made templates: meditation, hydration, reading, and more.

- Detailed Profile
Monitor your total reps, best streak, and monthly trend. All your progress at a glance.

- Smart Reminders
Set the frequency and difficulty of each habit. The app adapts to your lifestyle.

Perfect for:
• People who want to create healthy routines
• Professionals seeking to boost their productivity
• Anyone looking to improve their mental and physical wellbeing
• Those who've tried forming habits unsuccessfully before

Backed by real science:
The 66-day period is supported by neuroplasticity studies. It's not 21 days or 30 days: it's exactly 66 days your brain needs to automate a behavior.

Start your  66-DAY JOURNEY today

Join thousands of users already transforming their lives, one habit at a time.


## Version history (last 1 release)

### 1.0 — 2026-04-14

No release notes.

## More apps by Ruben Peregrina Aroca

- [Flags mastery game](https://appshunter.io/ios/app/flags-mastery-game/id6758681264)
- [Seat Ninja](https://appshunter.io/ios/app/seat-ninja/id6759112354)
- [Coffeefy tracker](https://appshunter.io/ios/app/coffeefy-tracker/id6761997242)

All apps by Ruben Peregrina Aroca: https://appshunter.io/developer/1873300395

## Related topics

[66 day journey](https://appshunter.io/ios/topics/66-day-journey)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-12.*