Last Updated: February 09, 2026
Fastable (“we”, “our”, or “us”) is committed to protecting your privacy. This Privacy Policy explains how information is collected, used, stored, and disclosed when you use the Fastable mobile application and related services (the “Service”).
By using the Service, you confirm that you have read and understood this Privacy Policy and agree to the practices described below.
We collect information that you voluntarily provide when using the App, including:
Account Information:
If you sign in using Google or Apple, we may collect your email address and display name.
If you use the App as a Guest, no identifying account information is required and your usage remains anonymous.
Health & Body Data:
Such as weight, height, age, gender, activity level, fasting history, and water intake.
This data is required to provide core app features including BMI calculation, fasting stages, progress tracking, and personalized insights.
When you use the App, certain information is collected automatically:
Device Information:
Device model, operating system version, language, and time zone.
Usage & Diagnostic Data:
App interactions, feature usage, and crash reports collected via Firebase Crashlytics for performance monitoring and bug fixing.
We use your information only for the following purposes:
Core Functionality:
To track fasting, water intake, weight, and progress.
Personalization:
To generate personalized insights and AI-based coaching based on your provided data.
Synchronization:
To sync your data across devices when you are signed in.
App Improvement:
To analyze usage patterns, improve features, and ensure app stability.
Advertising:
To display advertisements via Google AdMob. Ads may be personalized or non-personalized depending on your consent and regional regulations.
Health data is never used for advertising purposes.
We do not sell your personal data to third parties.
Fastable uses trusted third-party services to operate core features:
Google Firebase
Used for authentication, database storage (Firestore), analytics, crash reporting, and remote configuration.
Privacy Policy: https://policies.google.com/privacy
Google AdMob
Used to display advertisements within the App.
Google Generative AI (Gemini)
Used to generate AI-based coaching and health insights.
Limited profile data (such as age or weight) may be processed temporarily to generate responses.
This data is not stored and not used to train public AI models.
RevenueCat
Used to manage subscriptions and in-app purchases.
Privacy Policy: https://www.revenuecat.com/privacy
Each third-party service processes data in accordance with its own privacy policy.
You may optionally connect Fastable with Google Health Connect or Apple HealthKit.
Only data explicitly authorized by you is accessed.
Health data is used strictly for app functionality.
Health data is not sold, not shared for advertising, and not used for marketing purposes.
We retain personal data only for as long as it is necessary to provide the Service.
You may delete your account and all associated data at any time directly within the App:
Profile → Delete Account
This action permanently deletes your data and cannot be undone.
Fastable is not intended for use by children under the age of 13 (or under 16 where required by local law).
We do not knowingly collect personal data from children. If such data is identified, it will be deleted promptly.
We implement reasonable technical and organizational safeguards to protect your data, including encrypted connections (HTTPS) and secure cloud infrastructure.
However, no system can guarantee absolute security.
We may update this Privacy Policy from time to time.
Any changes will be posted within the App or on this page with an updated revision date.
If you have any questions or concerns about this Privacy Policy, please contact us:
Email: freeman60012@gmail.com