336: Quit Smoking & Vaping
Cold Turkey Vape & Nicotine
About
This app guides users through a 14-day cold turkey nicotine detox. It provides hourly clinical data on the body's recovery, withdrawal symptoms, and craving management tools. The focus is on scientific data rather than motivational content.
What's New in 336
1.0.3
June 20, 2026
• Cleaner first run — clearer onboarding screens with improved text legibility • Dashboard polish — sharper phase colors and a fixed label overlap • The daily pledge, craving log, and your reason for quitting are now fully localized in every supported language • Minor UI fixes and refinements throughout
MoreSubscription plans
336 Annual
Full year of access to the 336 program. Save 80%.
Developer apps
FAQ
What is the 336 app?
336 is a cold turkey quit smoking and vaping app that tracks your body's recovery hour by hour over a 14-day period. It provides clinical data on nicotine levels, withdrawal symptoms, and craving management.
How does 336 help users quit nicotine?
336 utilizes clinical science to map your 14-day detox. Each hour provides data on your body's biological recovery, helping you understand and manage withdrawal symptoms and cravings.
What are the 4 phases of withdrawal in 336?
The app guides users through four phases: Acute Withdrawal (Hours 1-72), Peak Symptoms (Days 4-7), Turning Point (Days 8-10), and Consolidation (Days 11-14), detailing the biological changes at each stage.
Does 336 offer support for cravings?
Yes, 336 includes an SOS button that launches a 60-second guided breathing exercise clinically proven to reduce acute nicotine cravings.
What devices is 336 available on?
336 is available on iPhone and iPad devices.
What is the pricing for 336?
The app is free to start. Optional subscriptions include 336 Weekly for $9.99/week with a 3-day free trial, and 336 Annual for $99.99/year, unlocking unlimited retries and premium audio briefings.
How often is 336 updated?
The latest version is 1.0.3, and the app was last updated on June 20, 2026. Updates typically occur to refine features and ensure reliability.
Is 336 suitable for all ages?
The app has an age rating of 17+, indicating it is intended for adult users.