Code
Loop – App for creating and maintaining habits

Loop is a mobile app that helps you create and maintain good habits, allowing you to achieve your long-term goals. Detailed graphs and statistics show you how your habits improved over time. It is completely ad-free and open source.
Features
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Beautiful, minimalistic and lightweight interface. Loop has an elegant and minimalistic interface that is very easy to use, even for first-time users. Highly optimized for speed, the app works well even on older phones.
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Habit score. Loop has an advanced formula for calculating the strength of your habits. Every repetition makes your habit stronger and every missed day makes it weaker. A few missed days after a long streak, however, will not completely destroy your progress, unlike many other don’t-break-the-chain apps.
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Flexible schedules. In addition to daily habits, Loop supports habits with more complex schedules, such as 3 times per week or every other day.
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Reminders. Schedule notifications to remind you of your habits. Each habit can have its own reminder, at a chosen time of the day. Easily check or dismiss your habit directly from the notification.
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Widgets. Be reminded of your habits whenever you unlock your phone. Colorful widgets allow you to track your habits directly from your home screen, without even opening the app.
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Take control of your data. If you want to further analyze your data, or move it to another service, Loop allows you to export it to spreadsheets (CSV) or to a database file (SQLite). For power users, checkmarks can be added through other apps, such as Tasker.
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No limitations. Track as many habits as you wish. Loop imposes no artificial limits on how many habits you can have. All features are available to all users. There are no in-app purchases.
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Completely ad-free and open source. There are no advertisements, annoying notifications or intrusive permissions in this app, and there will never be. The app is completely open-source (GPLv3).
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Works offline and respects your privacy. Loop doesn’t require an Internet connection or online account registration. Your confidential data is never sent to anyone. Neither the developers nor any third-parties have access to it.
