Fein: Quit Nicotine & Vape
#1 Science Based App
Only for iPhone
Free · In‑App Purchases
iPhone
Fein is the #1 science-based app designed to help you quit nicotine — whether it's vapes, cigarettes, pouches, or chewing tobacco. Track your progress, Watch your nicotine-free streak grow day by day. See how much money you've saved and how your body is recovering in real time. Beat cravings in the moment When a craving hits, Fein has your back. Use guided breathing exercises, craving games, reality checks, and an SOS button for instant support.
Terms Of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy URL: https://feinapp.netlify.app
Ratings & Reviews
1. Redesigned our paywall
2. hard paywalled our app from onboarding
3. minor adjustments to popping game.
The developer, jung hyun kim, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- jung hyun kim
- Size
- 82.1 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later.
- iPhone
- Languages
- English
- Age Rating
18+
- 18+
- Frequent
Alcohol, Tobacco, Drug Use or References
Contains
Health or Wellness Topics
- In-App Purchases
Yes
- yearly $34.99
- lifetime $99.99
- Copyright
- © 2026 Jung Hyun Kim