Automatic fasting detection
I think it would be very convenient if the fasting clock would start automatically when I log my last meal of the day, and then stops automatically when I log the next following meal. Or something along those lines. Food diary items do have timestamps that could be used for this.
Reasoning: I do 16:8 intermittent fasting, but I'm pretty liberal about exact timings, so sometimes it's 14:10, sometimes 18:6, or somewhere in between, and starting/ending times vary from day to day. Other fasting apps I have used, know when you have your meals (if you log them of course), and suggest to start and stop the fasting timer in conjunction with those meals, which I find very convenient. I'm hoping you could add something similar in Cronometer. Currently I have to edit the exact fasting times manually in the fasting history (which is preset to do 16:8 repeatedly the exact same times every day), which is kind of a bother (yes, I am lazy). I'm just thinking I shouldn't have to manually edit the fasting times, because the information is already available in the timestamps of the food diary (which the app could use!).
I suppose it depends of what you want from a fasting timer. If you simply want a sort of reminder for when your regular fasting times should be the app works fine as is, but if you want to create a log over your fasting habits and be able to look back at how it evolves over time, I thinks the app could do better, hence my suggestion above. Hoping I can desert my dedicated fasting app for Cronometer