# Fein: Quit Nicotine & Vape — #1 Science Based App

> Science-based app to quit nicotine, track progress, and manage cravings. (iPhone/iPad app by jung hyun kim.)

- Source: https://appshunter.io/ios/app/fein-quit-nicotine-and-vape/id6759899716 (this page in markdown: same URL + `.md`)
- Developer: [jung hyun kim](https://appshunter.io/developer/1844192475)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 17+
- Requires: iOS 15.1 · 78 MB
- Languages: American English
- Released: 2026-03-12
- Data updated: 2026-06-12
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/fein-quit-nicotine-and-vape/id6759899716/reviews.md

## What is Fein?

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

## Key features

- Science-based quitting methods
- Track nicotine-free streak
- Monitor money saved
- Real-time health recovery tracking
- Guided breathing exercises
- Craving management games
- SOS button for support

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| yearly | $34.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| lifetime | $99.99 | one-time |



## Frequently asked questions about Fein

### What types of nicotine can Fein help me quit?

Fein is designed to help you quit various forms of nicotine, including vapes, cigarettes, pouches, and chewing tobacco. It focuses on the underlying nicotine addiction rather than a specific delivery method.

### How does Fein track my progress?

Fein tracks your nicotine-free streak day by day, shows you how much money you've saved by not purchasing nicotine products, and provides real-time updates on your body's recovery.

### What tools does Fein offer to help with cravings?

When a craving hits, Fein provides guided breathing exercises, craving games, reality checks, and an SOS button for instant support. These tools are designed to help you manage cravings in the moment.

### Is Fein available on all devices?

Fein is currently supported on iPhone and iPod devices. The app is rated for ages 17+ and was last updated on March 19, 2026.

### What is the pricing for Fein?

Fein is available for free. However, it does offer in-app purchases, which may provide additional features or support for your quitting journey.

### How often is Fein updated?

The latest version of Fein, 1.1.0, was released on March 19, 2026. Updates typically bring improvements and new features to enhance the user experience.

### Does Fein have ads?

No, Fein does not contain advertisements. The app is free to download and use, with optional in-app purchases.

### What is the user sentiment for Fein?

Based on the available rating, Fein has received overwhelmingly positive feedback, with a perfect 5.0 stars from 1 rating. This suggests users find the app highly effective.

## Version history (last 2 releases)

### 1.1.0 — 2026-03-19

1. Redesigned our paywall
2. hard paywalled our app from onboarding 
3. minor adjustments to popping game.

### 1.0 — 2026-03-12

No release notes.

## More apps by jung hyun kim

- [HeightSnap](https://appshunter.io/ios/app/heightsnap/id6753650144)
- [PumpPal: Save & Plan Workouts](https://appshunter.io/ios/app/pumppal-save-and-plan-workouts/id6760346141)

All apps by jung hyun kim: https://appshunter.io/developer/1844192475

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-12.*