In some cases the values are actually completely wrong – a different value than what you’ve saved them as (e.g. select 4 stars and 1 is saved as the value when you return to it.
The same issue does not appear to occur on desktop through the web. This is only happening on iOS (the version I am using is 3.6.8). I’ve tried force quitting, restarting phone, switching networks, and creating new bases. None of these rectify the issue.
Screen cast of the issue on iOS: