Exist is described as 'lets you keep track of your life with advanced analytics that work across multiple services' and is an app in the Sport & Health category. There are more than 25 alternatives to Exist for a variety of platforms, including iPhone, Android, Online / Web-based, iPad and Android Tablet. The best alternative is Habitica, which is both free and Open Source. Other great apps like Exist are Loop Habit Tracker (Free, Open Source), Daylio (Freemium), Gyroscope (Paid) and Remente (Freemium).
Habitica is a free habit building and productivity app that treats your real life like a game. With in-game rewards and punishments to motivate you and a strong social network to inspire you, Habitica can help you achieve your goals to become healthy, hard-working, and happy.
We help you find out what’s important, make sure you do stuff that matters and give you the tools to live life at its fullest. - We can help focus your life and improve wellbeing. - Set, track, reach goals and form good habits.
HabitBull is a powerful companion which helps you keep track of your day to day habits and routines » Fully Customizable Measure and track anything and everything. Get notified whenever you need to do something important.
Track your habits and goals through the open-source dashboard for your personal data analytics. Submit daily journals with customizable questions and visualize everything with sleek visuals, performance stats on habits and progress stats toward targets.
Privately track, monitor and analyze your mood and anything else in your life. It's like MyFitnessPal for your emotions. Track anything that's important to you. Design your own trackers, tap the button to record. Analyze your Life
Open architecture is software with source code that is freely available to developers to promote cooperation and interoperability. This means developers can more quickly and effectively work together to create optimized mHealth applications.