Timo is a free, approachable and straightforward fasting tracker. No bells and whistles, no complicated set-up, and everything is kept local to your device. Just start, fast, and go.
CleanAir is a free quit smoking app and smoke-free tracker with gentle support, progress tracking, and a clear quit smoking timeline.
Unlike other apps in this space it is completely free, and it provides a "panic button" for instant support when cravings are intense. It celebrates milestones to give that hit of dopamine that smoking used to give.