

I’d consider a web based one, not android specific but they run anywhere on any browser.
I found https://cleanslate.sh/ to be interesting, and it has a lot of very useful info attached on foods/exercise in a very no bullshit fashion.
There’s a few others if I search github that are selfhosted, might not be your cup of tea though.
The biggest issue with Foss apps is their food dabase isn’t as likely to be as good as the paid ones
‘May contain innacuracies’