QuitCount shows (daily) how many days you do not smoke, the amount of money you have saved, the amount of nicotine and tar which are not used, the number of days, which presumably now will lengthen your life.
QuitCount is a good motivating feature for those who quit or going to quit.
Installation latest version into Linux Mint:
The program adds its icon to the system tray. Through it you can access the statistics or parameters window.
sudo apt install quitcount