Stack43

The social habit app

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Start your first habit with your friends today. Stack43 makes daily routines social, supportive, and finally sustainable. Stack43 is the social way to build habits. Post a daily photo, build streaks, and stay consistent — together with friends. Whether you're trying to drink more water, read every day, or finally stick to a workout routine, Stack43 makes daily habits feel less like a solo grind and more like something you do together. WHAT MAKES STACK43 DIFFERENT Social feed — share your daily progress with photos, see what your friends are working on, and celebrate each other's wins Streaks and badges — keep your streak alive and earn badges as you hit milestones, from your first week all the way to legendary streaks, with two rest days per week so life doesn't break your momentum Circles — join group challenges where you and your crew show up for each other, with a shared feed and a leaderboard to keep everyone motivated Shared habits — commit to the same goal alongside a friend or partner and keep each other on track Personal stats — see your full habit history, longest streaks, and earned badges in your own dashboard Boosts — send encouragement to friends with a single tap BUILT FOR YOU, NOT FOR ALGORITHMS No ads. No endless scrolling. Just you, your habits, and the people who'll cheer you on. Start small. Stack daily. Build the life you want. Start your first habit today. We'll be there tomorrow.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

The developer, Stack43 LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Contact Info
    • User Content
    • Identifiers
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Stack43 LLC
Size
  • 3.1 MB
Category
  • Social Networking
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
13+
  • 13+
  • Learn More
  • Infrequent
    Contests

    Contains
    User-Generated Content
    Health or Wellness Topics
    Social Media
Copyright
  • © 2026 Stack43 LLC
  • Developer Website
  • Privacy Policy