Changes to Fasting

Two changes I'd like to see with fasting:

  • In the diary screen (web and mobile), I'd like to see the time to go before ending and scheduled end time displayed - now it's just showing elapsed time.
  • Starting a fast seems harder than it should be - with a default fast length set (say 16 hours) I want to be able to just start a "default" fast with one press. This can keep the scheduled fasts for when I want to do something different. I've used the Zero app for fasting before and I think the interface is perfect. I'd love it if Cronometer could work in a similar fashion.

Thanks for your consideration.


  • Great suggestions @scottsimpson I'll pass these along to the team.


    Karen Stark
    As always, any and all postings here are covered by our T&Cs:

  • edited October 3

    I have been using Zero for over a year and it's amazing, simple and intuitive, seeing that fasting was available in Cronometer was a big reason to upgrade to hold but the fasting feature is painful to use. In Zero you are able to specify your duration and start your fast which will go until you stop that fast, no scheduling, you are able to go over or under without changing the schedule, you can see the time remaining, and you can get reminders of your progress. In Cronometer you can start a fast but if you need to change anything about it you have to go in through the settings menu (very unintuitive btw) and change your previous fast, which is going to end on the scheduled end time, I know in my experience a 20 hour fast can turn into a 24 hour or longer fast if things come up or if I'm not hungry, this is why the timer going until you stop it on Zero is much better IMO, if I forget to stop a fast I will know when I try to start a new fast, and I can change the end time when I close it, I would rather do this than have the fast end early because it's on a schedule which I most likely won't remember to do. My fasts usually vary from day to day so scheduling a fixed time is difficult, and I often do alternate day or every two day fasting routines so scheduling gets tricky when my only options are in daily or weekly increments. Overall I'm pretty disappointed with the fasting feature, its such simple concept, I don't get how an app that does everything else so well would get this wrong. Are there any plans to improve this feature or potential integrations so we can import our fasting data from another source??

  • edited October 6

    Where do I find the fasting options?? OK, never mind, just found it. :)

  • We've updated the fasting feature to include a start/stop button in the diary page. You can start fasts without scheduling right from the diary page. No need to go via the settings tabs to make adjustments.

    Check out how to quick start a fast in our user manual:

    Karen Stark
    As always, any and all postings here are covered by our T&Cs:

  • @Karen_Cronometer thanks for your reply, I having been using the start/stop button in the android app but it still defaults to 16 hours, I have to then edit that fast, granted I can do that from the same page but It requires me to specify duration and end time, an option to keep the fast open past the target duration until manually ended would be useful in my opinion. One thing I have been doing to workaround this is setting a longer duration when I edit the current fast so it is still running when I want to manually end it, for example a 20 hour fast I would set to 21 or 22 hours, the progress bar is slightly off but that's not a big issue for me. Is there a way to set a custom default duration so when I click start from the diary page it uses a different duration than 16 hours?

  • Setting a custom default duration for your fast is a great suggestion! Thanks!

    Karen Stark
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  • Is there a way to do an open ended fast? I usually do a 16 hour fast but sometimes its 18 hours or 16 hours and 20 minutes. I'm not sitting with a drumstick in my hand waiting for the timer to end. And it's a pain to extend it.

    I'd like to be able to set a start time for a fast and just hit the end button when I end it. No need for a donut graph; just the current duration would be ideal

  • edited October 8

    @CalorieGuru I do the same thing, an open ended fast is far more useful to me as I'd rather correct a fast that went too long than have it end while I am still fasting. My workaround is to edit the current fasts duration to longer than I'm going to fast so I'll make it 24 hours and then at 20 hours I'll end it via the app. The downside is the progress bar is for the longer duration. I wish we could keep a fast going without changing the schedule, I like how Zero will tell you when you reach your fast goal and keep the timer going so you can see how far over or under you are.

  • edited October 9

    @Karen_Cronometer Another vote for an option to have an open ended fasting time, I'd even go so far as to say I'd rather not provide a name for every fast, just a start and stop.
    I was hopeful when I saw the basic start and stop button, bummed it is anchored to a specific fasting time.

    I alternate between a 18/6 fasting schedule on training days and 23/1 fasting schedule on rest days. But I'll do an extended 2-3 day fast a couple of times a month. I don't need to be reminded when my eating window opens or closes, I just want to be able to push start and have the flexibility to stop when I want, whether that is 18 hours, 23 hours or 168 hours.

    Couple of questions for those that are currently using the fasting feature:

    1. How is it displayed on the Diary page?
    2. If you add a food to the diary does it ask or auto stop the fast for you?
  • I agree on the naming. Highly annoying. How about a default of "Current Fast".

  • I love the layout of Life Fasting and would love to have something like that on the side of the diary page - just a simple Start and Stop and a countdown but also the ability to adjust those times if you did want to set specific times or needed to change them. Something about seeing the little circle with the timer and checkpoints on the phases makes fasting MUCH easier :smile:
    Maybe even just integrate with Life instead of the in-app fasting?

  • while I'm here, is there a visualization for fasting? It just make a list of fasts but I don't see any way to correlate it with my weight loss or calorie intake or anything else. What's the point of it?

  • edited October 20

    @CalorieGuru you can visualize your Fasting windows on the charts in the Trends tab. So you can overlay your energy intake on your fasts, for example.

    Click on the menu in the top right corner of a chart to show Fasts.

    Karen Stark
    As always, any and all postings here are covered by our T&Cs:

  • I see it now, thanks

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