It's a brand new thing so will have some growing pains, but I've been using mine daily for a few months and it really helps to capture those fleeting thoughts!
Macros - Macros โ Calorie Counter and Meal Planner created and published by JosmanTek for Android and iOS devices.
Flipper Zero - A portable multi-tool device styled as a Tamagotchi
Human:Activity tracker - Activity tracker - Walking, running, biking and Calorie tracking
Nomi - A creature for your Apple Watch you need to keep alive
Runtastic - Runtastic offers a series of fitness apps that can be used to track your running, walking, hiking, and cycling, as well as many other fitness routines. Read more about Runtastic.
Tep - Fitness tracker meets tamagotchi. Don't starve it!