CardHabit is described as 'A daily challenge app that plays like a trading card game: five habit cards dealt each morning, XP and rarity tiers, and friends who can play cards into your day' and is a Habit Tracker in the office & productivity category. There are more than 50 alternatives to CardHabit for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Web-based apps. The best CardHabit alternative is Super Productivity, which is both free and Open Source. Other great apps like CardHabit are Loop Habit Tracker, Habitica, Lunatask and Vikunja.