Do you wait for tea to cool down as I do? You might find my tea timer useful.
I find that after 3 minutes of brewing, tea is too hot to drink, so I wait until it cools down. Regular tea timers tell you, when to stop brewing, but my tea timer also tells you, when the drink stops being scalding hot.
At the moment, it’s desktop only. You can run it on mobile, but if your phone sleeps, the alarms won’t work.