For Android, I like Habit Streak Pro [1]. You give a list of things you want to maintain a daily streak on, and then it asks you at the same time every day how you did.
My longest recent streak was a 5+ month one on sticking to a restricted diet. The power of that was amazing; any time I considered straying I'd feel like I would be throwing away months of work. (I finally broke the chain on day 3 of the flu; I was miserable and wanted comfort food.)
My tips: Have it ask you the daily questions first thing in the morning, so you start your day with a reminder of your streak. And try to keep the number of goals very low, 1-3. More than that and I find it too hard to build good habits.
My longest recent streak was a 5+ month one on sticking to a restricted diet. The power of that was amazing; any time I considered straying I'd feel like I would be throwing away months of work. (I finally broke the chain on day 3 of the flu; I was miserable and wanted comfort food.)
My tips: Have it ask you the daily questions first thing in the morning, so you start your day with a reminder of your streak. And try to keep the number of goals very low, 1-3. More than that and I find it too hard to build good habits.
[1] https://play.google.com/store/apps/details?id=uk.amimetic.ha...