66 is the household name in 66 streaks, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
This app helps you build lasting habits through a focused 66-day challenge. Track your progress with simple check-ins, visual grids, and reminders. It's designed for real-life goals with no clutter or accounts required.
This app transforms self-improvement into a game by turning your goals into daily quests, rewarding you with XP and streaks. It offers personalized habit programs, gamified progress tracking, and a suite of tools to support your journey.
66-Day Habit & Streak Tracker tops our 66 streaks apps ranking as of September 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.
Are there free 66 streaks apps for iPhone?
Yes — 20 of the top 66 streaks apps we rank are free to download, including 66-Day Habit & Streak Tracker and Life Reset: 66 Day Habit.
Does 66-Day Habit & Streak Tracker have ads or in-app purchases?
66-Day Habit & Streak Tracker has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
How many 66 streaks apps are on the App Store?
We track 249+ 66 streaks apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.