Pros :

• This application will surely inform you how quality your air is
• Can serve as a tracker on how dirty the air you are breathing
• It helps clean up the air you are breathing
• You just have to relax, sit back while you are breathing
• It will surely eliminates allergies and pollution

Cons :

• This product is great and i don't find any to against it especially it promotes cleanliness to the air we are breathing