Privacy Policy
Last updated: October 2026
This Privacy Policy applies to the following applications:
- Simple CBT-I
- Simple Fasting Timer
We respect your privacy and are committed to minimizing the collection and use of personal information.
1. Account and Personal Information
Our applications do not require account registration or login.
We do not directly collect personal information such as your name, postal address, phone number, or email address through the applications.
2. Data Stored on Your Device
The applications store information locally on your device as necessary to provide their core functionality.
Simple CBT-I may store information such as:
- Bedtime and wake time
- Sleep onset latency
- Nighttime awakenings
- Sleep duration
- Sleep satisfaction
- Responses related to CBT-I techniques
- Sleep history and statistics
- App preferences and settings
Simple Fasting Timer may store information such as:
- Fasting start and end times
- Fasting duration
- Fasting history
- Goals
- Streaks
- App preferences and settings
Most application data is stored locally on your device.
3. Apple Health / HealthKit
Simple CBT-I may optionally access sleep-related information from Apple Health when you explicitly grant permission.
Health data is used only to provide features such as sleep tracking, sleep statistics, personalized insights, and related functionality.
Apple Health data is not used for advertising or marketing purposes and is not sold to third parties.
You can revoke access to Apple Health data at any time through Apple Health or iOS Settings.
4. AI-Generated Daily Insights
Simple CBT-I uses a third-party AI service to generate personalized daily sleep insights.
When an insight is generated, sleep-related information necessary for generating that insight may be securely transmitted to the AI service provider.
This information may include data such as:
- Sleep duration
- Sleep efficiency
- Sleep onset latency
- Nighttime awakenings
- Sleep schedule consistency
- Sleep satisfaction
- Relevant CBT-I responses and calculated sleep statistics
We do not intentionally send your name, email address, account credentials, or other direct personal identifiers to the AI service as part of this process.
The AI service is used only to generate the requested sleep insight based on the information provided by the application.
AI-generated insights are intended for general wellness and educational purposes and should not be considered a medical diagnosis or a substitute for professional medical advice.
5. In-App Purchases and Subscriptions
Simple CBT-I and Simple Fasting Timer may offer paid features through Apple App Store or Google Play.
Payments are processed by Apple or Google.
We do not directly collect or store your payment card or banking information.
The application may receive information necessary to determine your purchase or subscription status.
6. Notifications
The applications may use local notifications for features such as:
- Sleep reminders
- Fasting goal notifications
- Fasting phase notifications
- Other user-selected reminders
Notification permissions can be disabled at any time through your device settings.
7. Advertising
Simple CBT-I and Simple Fasting Timer do not display third-party advertising.
Health, fasting, or sleep-related information is not shared with advertising networks.
8. Analytics and Technical Information
The operating system, application store, or technical services used to distribute and operate the applications may process limited technical information such as:
- Device type
- Operating system version
- Application version
- Crash information
- Application performance information
Such information may be used for application maintenance, troubleshooting, security, and performance improvement.
We do not use this information to personally identify users.
9. Sale of Personal Information
We do not sell personal information, health information, sleep information, or fasting information.
10. Data Retention and Deletion
Most application data is stored locally on your device.
Locally stored data can generally be removed by deleting data within the application where such functionality is available, clearing application data where supported by the operating system, or uninstalling the application.
Information temporarily transmitted to external services, such as information used to generate AI insights, may be processed according to the applicable service provider's data handling and retention policies.
11. Children's Privacy
The applications are not specifically designed for children under the age of 13.
We do not knowingly collect personal information from children under 13.
12. Medical and Health Disclaimer
Simple CBT-I is a general wellness and self-help application based on principles commonly used in Cognitive Behavioral Therapy for Insomnia (CBT-I).
The application is not a medical device and does not provide medical diagnoses.
It is not intended to replace professional medical advice, diagnosis, or treatment.
Users experiencing persistent, severe, or concerning sleep problems should consult an appropriate healthcare professional.
Simple Fasting Timer is also intended for general wellness purposes and is not intended to diagnose, treat, cure, or prevent any medical condition.
13. International Use
The applications may be available to users in multiple countries and regions.
Where external services are used, information necessary to provide those services may be processed in countries other than the country in which the user resides.
14. Changes to This Privacy Policy
We may update this Privacy Policy when application functionality, legal requirements, or data handling practices change.
The latest version of this Privacy Policy will always be made available on this page.
15. Contact
If you have any questions regarding this Privacy Policy, please contact: