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Privacy Policy

Last updated: 31 May 2026

1. Introduction

This Privacy Policy explains how InFast ("InFast", "we", "us", "the App") collects and uses data when you use our guided-fasting application. We collect only the information needed to provide core functionality, maintain stability, improve the overall user experience, and understand how people discover InFast.

InFast does not require an account to use. Your fasting schedules, fasting history, weight entries, and goals are stored only on your device. We do not include your weight figures or other personal health values in the analytics events we collect, and we do not sync this data to an account, backup, or server we control. The data described below is limited to anonymous analytics, diagnostics, and subscription information.

2. Data Controller

Vectora Ltd

United Kingdom

Email: help@infast.app

3. Data We Collect and How We Use It

A. Identifiers

Collected through our own analytics and RevenueCat:

  • An anonymous identifier (a randomly generated distinct ID, not linked to your name or email)
  • Device ID

Used for:

  • Ensuring proper app functionality
  • Analytics
  • Subscription management

B. Usage Data

Collected through our own analytics:

  • Product interaction events
  • General usage patterns
  • In-app events and actions
  • Device type and operating system version

Used for:

  • Understanding how users interact with the app
  • Improving features and user experience

C. Revenue Data

Collected through RevenueCat:

  • Subscription events and status
  • Purchase transactions
  • Revenue metrics

Used for:

  • Evaluating subscription performance
  • Analysing revenue patterns
  • Managing the subscription lifecycle

D. Diagnostics

Collected through Sentry:

  • Crash reports
  • Performance metrics

Used for:

  • Identifying technical issues
  • Improving app stability and performance

4. Analytics and Service Providers

We collect product-analytics and usage data using analytics infrastructure we operate ourselves. This data is processed on our own servers and is not shared with a third-party analytics provider.

We use the following trusted third-party processors to support diagnostics and subscription features:

RevenueCat

Subscription management and status verification.

Sentry

Crash reporting and performance diagnostics.

These providers process data on our behalf under their own privacy and security terms.

5. International Data Transfers

Some of our processors are based outside the UK and EU. RevenueCat and Sentry are based in the United States, which means your data may be transferred to and processed there. These providers handle that data under their own privacy policies and data-protection terms.

6. Legal Basis (UK/EU GDPR)

For users in the UK or EU, data is processed on the basis of Legitimate Interests, which include:

  • Ensuring the app works correctly
  • Identifying and resolving errors
  • Analysing usage patterns to improve the product
  • Understanding how people discover the app
  • Managing in-app subscriptions

7. Data Retention

Analytics identifiers, diagnostics, and usage data are retained only as long as necessary for the purposes listed above. Self-hosted analytics data is retained according to our own internal retention limits, and data held by RevenueCat and Sentry follows their respective default retention timelines, unless deletion is requested.

8. Your Rights

If you are located in the UK or EU, you may request:

  • Access to data associated with your device or application
  • Deletion of analytics identifiers
  • Restriction of, or objection to, processing

To submit a request, contact help@infast.app.

9. Changes to This Policy

We may update this Privacy Policy from time to time. All changes will be posted here, and the "Last updated" date will reflect the latest version.

10. Contact

For any questions regarding this Privacy Policy, you can reach us at help@infast.app.

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