Privacy Policy

1. Introduction
   Welcome to Stopper (“we”, “our”, “us”) Stopper is a habit tracking app designed to help users reduce and quit smoking by tracking daily puff counts and following a personalized plan This Privacy Policy explains what information we collect how we use it and your choices

2. Information We Collect
   A. Information you enter in the app
   We may collect and store smoking related data such as puff counts smoking type goals reduce or quit triggers you select and your progress history We may also store app preferences such as plan settings and reminder settings Stopper does not require email or password login

B. Purchases subscriptions
If you subscribe or purchase premium features purchases are processed by Apple and subscription status is managed through RevenueCat We receive subscription and entitlement status to unlock premium features

C. Device and usage data AppsFlyer
We use AppsFlyer for analytics and attribution to understand how users discover and install the app AppsFlyer may collect device or app identifiers such as IDFV and where permitted IDFA IP address which may be used to estimate approximate location app install source campaign attribution and basic app events related to attribution measurement

3. How We Use Your Information
   We use the information to provide core functionality tracking puffs goals and personalized reduction plan to display progress and insights to send reminders if you enable notifications to manage premium access and subscription entitlements via RevenueCat to measure acquisition and improve marketing performance via AppsFlyer and to maintain security and prevent fraud or abuse

4. Data Sharing and Disclosure
   We do not sell your personal data We share limited data only with service providers needed to operate the app

A. Convex data storage and backend
Stopper stores user tracking data and preferences in Convex to enable app functionality

B. RevenueCat subscriptions
RevenueCat processes subscription status and entitlements so premium features work correctly Apple processes payments

C. AppsFlyer analytics and attribution
AppsFlyer receives device and install data and attribution related events to provide marketing analytics
We may disclose information if required by law or to protect users our rights and the integrity of the service

5. Data Storage and Security
   We use reasonable administrative technical and organizational safeguards to protect your information including encryption in transit TLS and access controls No system is 100 percent secure but we work to protect your data

6. Your Choices and Rights
   You can control notifications in your device settings You can reset or delete the app to remove locally stored data You can request deletion of server stored data in Convex by contacting us at nirlondonbusiness@gmail.com

7. Data Retention
   We retain data only as long as needed to provide the service and for legitimate business purposes Upon deletion request we delete or anonymize data unless retention is required by law

8. Tracking and App Tracking Transparency ATT
   If Stopper uses advertising identifiers such as IDFA via AppsFlyer this may be considered tracking under Apple’s App Tracking Transparency framework Where required Stopper will request your permission before accessing IDFA You can change tracking permissions anytime in iOS Settings

9. Children’s Privacy
   Stopper is not intended for children under 16 We do not knowingly collect information from children under 16

10. Changes to This Policy
    We may update this Privacy Policy from time to time Updates take effect when posted Please review it periodically
    
    Contact
    For questions or requests related to privacy Email: nirlondonbusiness@gmail.com