66 Streaks is a focused habit tracker built around one simple idea: make progress visible and keep going for 66 days.
Create habits in seconds, check in with one tap and follow your progress on a clear 66-day grid. Track current and best streaks, completion rate, weekly recaps and milestones without turning your routine into a complicated productivity system.
Use 66 Streaks for fitness, reading, meditation, studying, journaling, hydration, morning routines, quitting bad habits and more. The 66-day format gives every habit a clear target, visible momentum and a finish line worth reaching.
Stay consistent with flexible reminders, Home Screen and Lock Screen widgets, Live Activities, Apple Watch check-ins, Siri and Shortcuts. Choose when your day ends, pause habits without losing history and use Flame Guards when life gets in the way.
Premium adds unlimited habits, deeper insights and analytics, more reminders, HealthKit auto-completion, backup and restore, premium widgets and extra Flame Guards.
66 Streaks is designed to stay out of your way. There is no account setup, no social feed and no crowded dashboard. Your habit data stays private and on your device.
Whether you are starting a new routine, rebuilding consistency or trying to leave a bad habit behind, 66 Streaks gives you a simple system to show up every day and see how far you have come.
Pick a goal. Build the streak. Reach day 66.
Frequently asked questions
What is 66 Streaks?
66 Streaks is a health & fitness tool. Build habits that stick with a focused 66-day tracker featuring streaks, reminders, widgets, Apple Watch, insights and private on-device tracking.
Is 66 Streaks free?
66 Streaks is freemium: you can start on a free tier, and paid plans unlock more.
What can you do with 66 Streaks?
66 Streaks covers 66-day habit grid with streak and completion rate tracking, Home Screen/Lock Screen widgets, Live Activities and Apple Watch check-ins and Siri and Shortcuts support for quick check-ins.
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Really simple and easy to use. I like the 66-day streak idea because it makes building a habit feel much more manageable. No unnecessary features, just a straightforward tool that helps you stay consistent.