Sleep Hush (hereinafter referred to as "we", "our" or "this app") highly values your privacy and personal information protection. This Privacy Policy is intended to explain how we collect, use, store, and protect your information.
1. Information We Collect
1.1 Information You Provide
- Email Address: When you contact us for feedback or customer support, we may collect your email address
- Favorites: Your list of favorited sounds and audio
- Mixer Presets: Custom mixer configurations you create and save
- App Settings: Your preference settings such as volume settings and timer configurations
- Purchase Records: Premium membership plan type, transaction ID, and purchase status (used for subscription verification)
1.2 Information We Automatically Collect
- Crash Logs: When the app crashes, we collect crash logs to diagnose and fix issues
- Diagnostic Information: Including device model, operating system version, app version, memory usage, etc.
- App Performance Data: Including app startup time, response time, feature usage, playback behavior, etc.
- Device ID: Anonymous identifier used to identify unique devices for abuse prevention and statistical analysis
- Device Information: Device model, operating system version, screen size
- App Usage Information: Feature usage, ad viewing frequency, playback behavior
- Network Information: IP address, network type, connection status
1.3 Recording and Sleep-Monitoring Audio (Microphone Permission)
Some features of this app require the device microphone (RECORD_AUDIO permission) to capture audio:
- Sleep Monitoring: To analyze your sleep and snoring, when you start monitoring the app records ambient audio throughout the night via a foreground service (MICROPHONE type). This audio is used solely for on-device snore detection and sleep analysis, and all processing is completed locally on your device.
- Recording: You may actively record audio; the resulting files are stored locally on your device.
- Editing: You may edit your recorded audio (e.g., trim, rename); the edited results are also stored only on your device.
2. How We Use Information
We use the collected information for the following purposes:
2.1 Service Provision
- Provide sound playback and mixing functionality
- Save your favorites and preference settings
- Cache online audio to enhance playback experience
- Verify membership subscription status and provide paid features
2.2 Advertising Services
- Deliver personalized or general advertisements
- Limit ad display frequency
- Measure advertising effectiveness
2.3 Feature Optimization
- Analyze app usage to improve features
- Remotely configure app behavior and content
- Fix crashes and technical issues
2.4 Recording and Sleep Monitoring
- When you actively start sleep monitoring, record audio through the microphone for snore detection and sleep-quality analysis
- Provide audio recording for local saving and playback on your device
- Provide local editing (trim, rename) of recordings
- All analysis and processing of the above audio is performed locally on your device—no upload, no external transmission
3. Third-Party Services
This app uses the following third-party services, which have their own privacy policies:
3.1 Google AdMob
We use Google AdMob to display advertisements. Google may collect and use your information for ad delivery.
3.2 Firebase
We use Firebase to provide the following services:
- Firebase Analytics: Analyze app usage
- Firebase Crashlytics: Report and handle app crashes
- Firebase Remote Config: Remote configuration of app parameters
- Firebase Cloud Messaging (FCM): Send push notifications (e.g., activity reminders, content updates, membership promotions)
- Firebase Storage: Store and serve online audio content
Push notifications generate a device push token used to send notifications to your device. This token is generated by Firebase and is used solely for push notification purposes; it is not associated with any personally identifiable information.
On Android 13 and above, we will request notification permission (POST_NOTIFICATIONS) upon first use. You can enable or disable this permission at any time in system settings.
3.3 TalkingData
We use TalkingData for data analytics.
3.4 PostHog
We use PostHog for product analytics to help us understand feature usage and improve user experience. PostHog may collect the following information:
- Event Data: Your actions within the app (e.g., playing sounds, opening pages, using specific features)
- Device Information: Device model, operating system version, anonymous device identifier
- Session Information: Session ID, usage duration, timestamps
Data collected by PostHog is used solely for product analytics and feature optimization. We do not use this data for advertising or sell it to third parties.
3.5 Google Play Billing
We use Google Play Billing to process in-app purchases. All payment transactions are securely handled by Google Play. We do not collect or store your payment card information.
When you make a purchase, Google Play provides purchase tokens and transaction information, which we use solely for verifying your membership status.
4. Data Storage
4.1 Local Storage
- We use device local storage (DataStore) to save your preference settings, favorites list, and mixer presets
- Cached audio files are stored in device local storage
- Recording and Sleep-Monitoring Audio: Audio you actively record, as well as the all-night recordings generated during sleep monitoring, are stored only in your device's local file system (the app's private directory) and are never uploaded to any cloud server
4.2 Cloud Storage
- Your favorites and mixer preset data are stored in Firebase backend services
- Online audio content is stored in Firebase Storage
- Audio from recording and sleep monitoring is NOT part of cloud storage: this data stays only on your device and is never sent to Firebase or any other cloud
4.3 Data Retention
- Unless required or permitted by law to retain data for a longer period, we will retain your data for some time after you delete your account or stop using the service
- Locally cached audio can be cleared in app settings
- Purchase Status: Your membership subscription status (including plan type and validity) is stored locally and verified through Google Play
5. Data Security
We employ the following security measures to protect your data:
- HTTPS encryption for all network communications
- Anonymization of device identifiers
- Limited employee access to user data
- Regular review of data collection and storage practices
6. Your Rights
Under applicable laws, you have the following rights:
6.1 Access and Export
- Access information we hold about you
- Obtain copies of your data
6.2 Deletion
- Delete your favorites and mixer presets (can be done in-app or by uninstalling the app)
- Delete your recordings and sleep-monitoring records (delete individual items in-app, or uninstall the app to clear all local data)
6.3 Withdraw Consent
- Opt out of personalized advertising (in device settings)
- Uninstall the app to stop all data collection
6.4 Data Control
- Manage your preference settings and options
- Control clearing of local cache
7. Children's Privacy
This app is not directed to children under 13 years of age, and we do not intentionally collect personal information from children. If you discover that we have inadvertently collected information from a child, please contact us so we can delete it.
8. Privacy Policy Updates
We may update this Privacy Policy from time to time. When updating, we will:
- Modify the "Last Updated" date at the top of the page
- Notify you through in-app notifications before significant changes
Please regularly review this Privacy Policy to stay informed of the latest content.
9. Contact Us
If you have any questions or concerns about this Privacy Policy, please contact us through the following methods:
- In-App Feedback: Contact us through the feedback feature in app settings
- Email: kzkk1688@gmail.com
10. Google Play Data Safety
In accordance with Google Play's data safety requirements, we declare:
Data Collection
| Data Type | Collected | Purpose |
|---|---|---|
| Crash logs | Yes | Diagnose and fix app issues |
| Diagnostic information | Yes | App performance optimization, crash reporting |
| App performance data | Yes | Feature optimization, user experience improvement |
| Device ID | Yes | Abuse prevention, statistical analysis, advertising |
| Yes | Customer support, feedback response | |
| App usage information | Yes | Analytics, ad optimization |
| Audio data (microphone recordings / sleep-monitoring audio) | Yes (device-local only, not uploaded) | Snore analysis during sleep monitoring, local recording and editing; all processed on-device, not transmitted to servers |
| Health and fitness data (sleep status) | Yes (device-local only, not uploaded) | Sleep-quality and snore analysis; processed on-device, not transmitted to servers |
Data Use Purposes
- Advertising: Google AdMob is used to display ads, including personalized ads
- Analytics: Firebase Analytics and TalkingData are used to analyze app usage
- Crash Reporting: Firebase Crashlytics is used to report and handle crashes
Data Sharing
- We do not sell users' personal information to third parties
- We share data with service providers such as Firebase and AdMob to provide services
- Audio and Health Data: Audio recorded via the microphone, and the resulting sleep/health data, is stored only on your device and is never sold, never shared with any third party, and never used for advertising or marketing
Data Encryption
- Network transmission uses HTTPS encryption
- Local storage is protected by device security mechanisms
This Privacy Policy is provided by Sleep Hush and applies to versions published on Google Play.