Privacy Policy for Comfy Sleep Timer

Comfy Sleep Timer (package name: dr.achim.sleep_timer) is a free service provided by Dr. Achim: Apps and Games (“we”, “our”, or “us”). This Privacy Policy explains how we collect, use, disclose, and protect your information, and outlines your rights under global privacy laws, including the GDPR, LGPD, CCPA, and VCDPA.

By using Comfy Sleep Timer, you agree to the collection and use of information in accordance with this policy.

1. Information We Collect

We collect and process the following categories of data to provide, maintain, and improve our services:

Device Identifiers: We collect your Device ID (including advertising identifiers such as Google Advertising ID) to serve personalized or non-personalized ads and to perform analytics.
Device & Usage Information: Technical data such as device model, operating system version, system language, country/region, and app configurations when utilizing the service.
Log Data & Crash Logs: In the event of an error or crash, we collect diagnostic reports (through third-party tools like Google Play Services) containing your device’s Internet Protocol (“IP”) address, device name, and performance statistics.
Purchase & Subscription Status: We process transaction validation data via Google Play Billing to manage premium features. We do not store or process your full credit card or financial details.
Device Permissions: We may request permission to access Bluetooth/Nearby Devices solely to connect to compatible local hardware.

If you reside in the European Economic Area (EEA), United Kingdom (UK), or Brazil (LGPD), we process your personal data under the following legal frameworks:

Performance of a Contract: To provide the core functionalities of Comfy Sleep Timer, process subscriptions, and validate premium status.
Your Consent: For serving targeted advertisements, using analytical cookies, or accessing specific device permissions. You can withdraw your consent at any time.
Legitimate Interests: To analyze app performance, fix crashes, optimize user experience, and ensure app security.
Legal Obligation: To comply with regulatory or legal requirements.

We do not sell your personal data in the traditional sense. However, we use third-party Service Providers that may collect, process, or share data to facilitate our services.

The app integrates the following third-party services:

Google Play Services: Used for core operating system integrations. Google Play Services Privacy Policy
Google AdMob: Used to serve and measure advertisements. AdMob may utilize your Device ID and cookies to personalize ads. Google AdMob Privacy Policy
Google Play Billing: Used to securely handle in-app purchases and subscriptions.

4. Cookies and Tracking

Cookies are small data files used as anonymous unique identifiers. Comfy Sleep Timer does not explicitly use its own cookies. However, our third-party advertising and analytics SDKs (like Google AdMob) may use cookies or device identifiers to track user interactions and deliver targeted ads.

You can manage your cookie preferences and tracking permissions through your mobile device’s system settings.

5. Data Retention Policy

We retain your personal data only for as long as necessary to fulfill the purposes outlined in this Privacy Policy:

Device IDs and Ad Tracking Data: Retained temporarily by third-party ad networks, subject to your device configuration and local consent laws.
Crash Logs & Analytics: Automatically deleted or anonymized by our diagnostic partners within 90 days.
Subscription & Purchase Data: Retained for as long as your account is active, or as required by applicable tax and legal obligations.

Depending on your jurisdiction, you are guaranteed specific, enforceable rights regarding your personal data:

Key Rights Explained

Right to Know & Access: You have the right to request a copy of the personal information we collect, use, or share about you, including the specific categories of third parties with whom we share it.
Right to Rectification (Correction): You have the right to request that we correct any inaccurate or incomplete personal information we hold about you.
Right to Deletion (Erasure): You can request that we delete your personal data, subject to certain legal exceptions (such as complying with legal record-keeping requirements).
Right to Opt-Out of Data Sale or Sharing/Targeted Advertising: Under the CCPA and VCDPA, you have the right to direct us not to “sell” or “share” your personal data for targeted advertising purposes.

7. How to Opt-Out of Data Sale & Targeted Ads

You can restrict personalized tracking and opt-out of data sharing easily through the following methods:

Direct Device Settings (Opt-Out)

On Android: Go to Settings > Privacy > Ads and select “Delete advertising ID” or enable “Opt out of Ads Personalization” (depending on your Android version).
Universal App Opt-Out: You can stop all data collection immediately by uninstalling the application using standard app-removal processes on your mobile device.

Exercising Your Privacy Rights

To submit a request to access, correct, delete, or limit the processing of your data, please contact us using the details below:

Email: dr.achim.dev+privacy@gmail.com

Please specify your country/state of residence and the nature of your request so we can verify and process your inquiry promptly.

8. Security

We implement appropriate technical and organizational safeguards to protect your information. However, please be aware that no transmission method over the internet or system of electronic storage is 100% secure.

9. Children’s Privacy

These Services are not directed to anyone under the age of 13. We do not knowingly collect personally identifiable information from children. If we discover that a child has provided us with personal information, we will delete it immediately from our servers.

10. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the revised Policy on this page with a newly updated Effective Date. You are advised to review this page periodically.

11. Contact Us

If you have any questions, suggestions, or requests regarding this Privacy Policy, do not hesitate to contact us:

Email: dr.achim.dev+privacy@gmail.com

Effective Date: 2026-07-15