The app cannot handle & show your challenge period if it is >100 days. Basically nothing above 3 digit numbers. After 99 days it reverts to 90 days. It should ...

after you moved the challenge to the profile page, I never notice it and often forget I startede a challenge, so how about a animated view fade in and out, on top of ...

Challenges are just a random counter They should enforce what they are pursuing No sugar challenge? If you consume over x grams of sugars the challenge resets ...

it would be nice if the challenges completed were displayed somewhere

I think it would be cool to add a custom challenge, with a name, emoji and maybe time.

And one could make several challenges at once

Have a section where you show what past challenges you have done and how successful you were with them? For instance I did the chocolate challenge but now I don't ...

I would like to define my own challenges. E.g. week without milk, or eggs, or flour, or vegan challenge, etc. It would also be great to take more than one challenge.

Would be nice to have shopping lists viewable for challenges before you start the challenge so you know how to prepare for that challenge.

Would be nice to set a start date for the challenge giving time to prep for it.