# Privacy PolicyEffective Date: April 23, 2026This Privacy Policy applies to the MonoFocus app ("Application") for mobile devices, created by Clarum LLC ("Service Provider," "we," "us," or "our") as a subscription service. This service is intended for use "AS IS".## Information Collection and UseThe Application does not collect, transmit, or store any personal information on external servers. All data related to your focus sessions, settings, and preferences is stored locally on your device and is not accessible to the Service Provider.The Application does not gather any information about the location of your mobile device.## Third-Party ServicesThe Application uses the following third-party services:### Apple StoreKitThe Application uses Apple's StoreKit for processing subscription purchases. Apple's privacy policy governs how Apple handles payment information. The Service Provider does not have access to your payment details.### AppsFlyerThe Application uses AppsFlyer to measure the effectiveness of advertising campaigns by attributing app installs and in-app events (such as subscription purchases) to their marketing source. The SDK may collect your device's advertising identifier (IDFA), which is only accessible if you grant permission via the App Tracking Transparency prompt, along with device and app-level metadata (device model, operating system version, country, bundle ID, and event timestamps). This information is used solely for attribution and campaign measurement and is not used to build user profiles or serve targeted advertising within the Application. AppsFlyer's privacy policy is available at https://www.appsflyer.com/legal/services-privacy-policy/.### PostHogThe Application uses PostHog for product analytics to help us understand how features are used so we can improve the product. PostHog collects anonymized event data — such as screen views, feature usage, and subscription funnel events — linked to an anonymous device identifier. The Service Provider does not send personally identifiable information to PostHog. Event data is processed on servers located in the United States. PostHog's privacy policy is available at https://posthog.com/privacy.## Data StorageAll Application data is stored locally on your device. This includes:- Focus session history
- App settings and preferences
- Focus modes and block listsThis data is not backed up to any external servers controlled by the Service Provider.## Opt-Out RightsYou can stop all use of the Application by uninstalling it. You may use the standard uninstall processes as may be available as part of your mobile device or via the mobile application marketplace. Uninstalling the Application will delete all locally stored data.## ChildrenThe Service Provider does not use the Application to knowingly solicit data from or market to children under the age of 13. The Application does not address anyone under the age of 13.If you are a parent or guardian and you are aware that your child has provided personal information, please contact us so that we can take necessary action.## SecuritySince the Application does not collect or transmit personal data to external servers, your information remains under your control on your device. The security of this data is managed by your device's built-in security features. Third-party services (AppsFlyer and PostHog) handle data in accordance with their own security practices and privacy policies.## Changes to This Privacy PolicyThis Privacy Policy may be updated from time to time for any reason. The Service Provider will notify you of any changes to the Privacy Policy by updating this page with the new Privacy Policy. You are advised to consult this Privacy Policy regularly for any changes, as continued use is deemed approval of all changes.## Your ConsentBy using the Application, you are consenting to the processing of your information as set forth in this Privacy Policy now and as amended by us.## Contact UsIf you have any questions regarding privacy while using the Application, or have questions about our practices, please contact us via email at: [email protected]---© Clarum. All rights reserved.