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Best apps like 66 Challenge

10+ similar apps compared and reviewed

4.5 avg rating
10 free apps
Updated October 2026
66 Challenge
66 Challenge
Moad Ghajjate El Fal
💪 Health & Fitness
📊 Productivity

66 Challenge is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
📊 Productivity
4.0(62 ratings)
Free
KobCard screenshot 1
KobCard screenshot 2
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KobCard screenshot 4

KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to 66 Challenge

Ripples: Habit Tracker#2

Ripples: Habit Tracker by Mykola Harmash

Visual grids, streaks, widgets
Strong Contender
📊 Productivity
4.7😊(230 ratings)
FreeIn-App Purchases
Ripples: Habit Tracker screenshot 1
Ripples: Habit Tracker screenshot 2
Ripples: Habit Tracker screenshot 3
Ripples: Habit Tracker screenshot 4
Ripples: Habit Tracker screenshot 5
Ripples: Habit Tracker screenshot 6

This app helps you build and maintain new habits and achieve your goals. It offers a visual calendar grid to track your progress, detailed metrics, and the ability to log specific amounts for each action. You can also add notes, use Siri shortcuts, and view your progress with widgets.

What We Love

  • ✨ Minimalist and clean UI design
  • 🎨 Beautiful animations and fluid interactions
  • 📱 Excellent widget implementation
  • 🚀 Simple and intuitive to use
  • 💰 One-time purchase (no subscription)
  • 🔒 Privacy-focused, no tracking
  • ⚡ Fast and responsive performance
  • 🎯 GitHub-style contribution grid visualization
  • 🔗 Shortcuts and automation support
  • 📊 Clear progress tracking and statistics
  • 👨‍💻 Active developer with regular updates
  • 🆓 Generous free version with 3 habits
  • 😊 Satisfying check-in animations
  • 🎭 No ads or dark patterns

Room to Improve

  • 🔔 Unreliable notification system
  • 🐛 UI bugs affecting usability
  • 💳 Purchase restoration issues
  • 🔐 Lifetime purchase unlock problems
  • ⚠️ No developer response to support issues
  • 📖 Lack of user guidance/documentation

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4
Left: Widgets for Time Left
Left: Widgets for Time Left
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Visualize your time with customizable widgets for your Home Screen, Lock Screen, and StandBy. Track life progress, countdowns to important events, and monitor habits with streak tracking. Offers a clean and visually appealing way to stay aware of your time.

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Monke - Habit Game
Monke - Habit Game
Monke - Habit Game
Build consistency, have fun.
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Gamify your life by building consistent habits and improving focus. Earn rewards to decorate a virtual world and unlock characters. This app helps users stay on track with tasks and reduce screen time.

Gamified habit buildingFocus sessionsVirtual world decoration
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DailyHack
DailyHack
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This app helps you build lasting habits through smart tracking, progress visualization, and prioritization tools. It offers a life calendar, Eisenhower Matrix, and customizable widgets to monitor your journey towards personal growth and productivity.

Smart habit tracking with custom emojisInteractive life calendar and year progress visualizationEisenhower Matrix for habit prioritization
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SyncTasks
SyncTasks
SyncTasks
To-do list, syncs with Notion
Free

This app offers a streamlined task management experience, syncing with Notion and Apple Reminders. It features a minimalist widget for distraction-free focus and a folder system for organization. It can also be used as a standalone to-do list.

Two-way Notion syncApple Reminders integrationMinimalist home screen widgets
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(352)
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8
Awesome Habits: Habit Tracker
Awesome Habits: Habit Tracker
Awesome Habits: Habit Tracker
Streaks, days since & goals
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This app helps you build positive habits and break negative ones by focusing on small, consistent changes. Track daily, weekly, or monthly goals, monitor your progress with detailed statistics, and receive smart reminders to stay on track. It offers extensive customization and integration with Apple devices and services.

Build good habits, break bad onesDaily, weekly, and monthly goalsHabit ideas with on-device Apple Intelligence
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(927)
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9
Habit Tracker - Daily Goals
Habit Tracker - Daily Goals
Habit Tracker - Daily Goals
Motivation & Accountability
Free

Build positive habits and achieve your goals with this app. It offers reminders, detailed tracking statistics, habit analysis with charts, and motivation. You can track both good and bad habits, set custom goal units, and receive regular reports.

Track good and bad habitsCustomizable goal unitsDetailed statistics and charts
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10
Onrise: Habit Tracker & Focus
Onrise: Habit Tracker & Focus
Onrise: Habit Tracker & Focus
Build habits, focus & journal
Free

This app assists in building positive habits, offers a Pomodoro timer for enhanced focus and productivity, and includes a journaling feature for tracking progress. It's designed based on behavioral science to help users achieve their aspirations.

Habit buildingPomodoro timerProductivity enhancement
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