Circle Communities vs Stack43

The official companion app for your Circle community is here! If you’re a member or creator of a Circle.so community, our app allows you to keep up with your discussions, events, and messages on the go. Join and host live streams, keep track of upcoming events, and never miss a beat on any of your Circle communities.

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.