This comes straight from Caffeine Health’s own GitHub page — it’s free. Need help installing?
What it looks like
About this app
Log your coffees and this works out how much caffeine is left in your body through the day, so you can see why sleep is not coming.
It is private by design and has a bright Material 3 look.
From the app’s home page
- See the codeHow it’s made — every line is public
- Questions & commentsTalk with the people who make it
- Report a problemTell the makers something is broken
- All versionsOlder downloads and what changed
- LicenseThe rules for using and sharing it
More like this
Plees Tracker
A simple way to record how long and how well you sleep
Menstrudel
Period tracking that stays on your phone
Privacy Friendly Pain Diary
Keep a daily record of the pain you feel
openScale
Track your weight and body measurements over time
OpenNutriTracker
Count calories without handing over your data
Fud AI
Snap your meal and it counts the calories