ابزارهای ذهنآگاهی - Privacy Policy
Last updated: October 6, 2026
This Privacy Policy describes how ابزارهای ذهنآگاهی, package name dev.langhoangal.mindfulness_bell (the "App") handles information when you use the App.
The App is provided worldwide on Google Play by Lang Hoang, an independent app developer based in Vietnam ("I", "me", or "my").
This policy explains what types of data may be collected, how that data is used, and how off-device processing is protected.
1. Account Access
Creating an account is optional and only applies to features that explicitly require sign-in.
Authentication provider: Google.
You can use the app without an account. Sign-in is optional and only used if you choose cloud backup and restore.
2. Children's Privacy
The App is not directed to children under 13. The minimum recommended age for using the App is 16. It is not declared as a child-directed or Families app on Google Play. If you are a parent or guardian and believe a child has provided personal information directly to me, contact me so I can take appropriate action.
3. Local Device Data
The app stores some information locally on your device.
Saved bell, meditation, and breathing practices, affirmations, custom sounds, preferences, and practice statistics are stored on your device. Cloud backup is optional.
- Practices, preferences, and statistics:
Saved bell, meditation, and breathing practices, affirmations, custom sounds, preferences, and practice statistics are stored on your device. Cloud backup is optional.
- Free-session and privacy choices:
The app stores the free Bell session expiration, Premium access snapshot, and advertising privacy choices locally so access and consent can be applied on later launches.
4. Types of data that may be collected and processed outside your device
Purchase and subscription data
Purchase and subscription records may be processed to validate entitlements and restore purchases.
Details
- Category: Financial info
- Type: Purchase history
- Collected: Yes
- Shared: No
- Required: No
- Purposes: App functionality
- Processed by: ,
- Notes:
Used to validate Premium entitlements and restore purchases.
Device and app identifiers
Technical identifiers may be processed for analytics, remote configuration, and related app operations. Processed by Google AdMob in the free version for advertising, measurement, and fraud prevention. Premium removes ads.
Details
- Category: Device or other IDs
- Type: Device or other IDs
- Collected: Yes
- Shared: Yes
- Required: No
- Purposes: Analytics, App functionality, Advertising or marketing, Fraud prevention, security, and compliance
- Processed by: , ,
- Notes:
Used to measure app usage and deliver remote configuration values.
Processed by in the free version for advertising, measurement, and fraud prevention. Premium removes ads.
Crash data
Crash reports may be processed to diagnose problems and improve app stability.
Details
- Category: App info and performance
- Type: Crash logs
- Collected: Yes
- Shared: No
- Required: No
- Purposes: Analytics
- Processed by:
- Notes:
Used to diagnose crashes and improve app stability.
Diagnostics data
Technical diagnostics may be processed by platform or provider services. Google AdMob may collect and share app and advertising SDK performance information, such as launch time, hangs, and energy usage.
Details
- Category: App info and performance
- Type: Diagnostics
- Collected: Yes
- Shared: Yes
- Required: No
- Purposes: Analytics, Advertising or marketing, Fraud prevention, security, and compliance
- Processed by: ,
- Notes:
Technical diagnostics may be transmitted by platform services.
may collect and share app and advertising SDK performance information, such as launch time, hangs, and energy usage.
App usage and interaction data
Processed by Google AdMob in the free version for advertising, measurement, and fraud prevention. Premium removes ads. App interaction data may be processed to understand usage patterns and improve the app.
Details
- Category: App activity
- Type: App interactions
- Collected: Yes
- Shared: Yes
- Required: No
- Purposes: Advertising or marketing, Analytics, Fraud prevention, security, and compliance
- Processed by: ,
- Notes:
Processed by in the free version for advertising, measurement, and fraud prevention. Premium removes ads.
Used to understand basic app usage and improve the app.
Account information for backup sign-in
If you choose cloud backup or restore, some account information may be processed so you can sign in and link your backups to your account.
Details
- Category: Personal info
- Type: User IDs, Email address, Name
- Collected: Yes
- Shared: No
- Required: No
- Purposes: App functionality
- Processed by: ,
- Notes:
Used only when you choose to sign in for cloud backup and restore.
Cloud backup data
If you choose cloud backup or restore, the app may upload a backup file containing your app configuration data and any custom audio files included in that backup.
Details
- Category: App activity, Audio files
- Type: Other user-generated content, Other audio files
- Collected: Yes
- Shared: No
- Required: No
- Purposes: App functionality
- Processed by:
- Notes:
Used only when you choose cloud backup or restore. Backup files may include app configuration data together with any custom audio files included in the backup.
Used only when you choose cloud backup or restore. Backup files may include custom audio files together with app configuration data.
Approximate location for ads
Google AdMob may use your IP address to estimate a general location for advertising, measurement, and fraud prevention.
Details
- Category: Location
- Type: Approximate location
- Collected: Yes
- Shared: Yes
- Required: No
- Purposes: Advertising or marketing, Analytics, Fraud prevention, security, and compliance
- Processed by:
- Notes:
may use your IP address to estimate a general location for advertising, measurement, and fraud prevention.
6. Service Providers
7. Security
I use reasonable administrative and technical measures appropriate to the information handled directly by me.
Information transmitted to the services described in this policy is sent using their SDKs and encrypted network connections where supported.
No method of electronic transmission or storage is completely secure, and absolute security cannot be guaranteed.
8. Data Retention
Temporary local app state remains on your device until you clear app data or uninstall the app. Purchase, advertising, analytics, and diagnostics data are retained under the policies of the relevant providers.
Local data: Saved bell, meditation, and breathing practices, affirmations, custom sounds, preferences, and practice statistics are stored on your device. Cloud backup is optional.
Third-party data: , , , Google Identity services, Firebase services, and other relevant providers retain data according to their own privacy and retention policies.
9. Data Deletion
Temporary local app state can be removed by uninstalling the app or clearing its app storage. Some off-device data, including provider-processed sign-in, purchase, diagnostics, analytics, or advertising data, may still be retained under the relevant provider's own privacy and retention policies. Contact support if you need help identifying which in-app flow or provider policy applies.
View data deletion instructions
10. Contact
For privacy questions, contact:
Email:support@langhoangal.dev
Advertising and your choices
The free version includes ads provided by . The advertising SDK may collect and share device identifiers (including the advertising ID), IP-based approximate location, app interactions, and diagnostics for advertising, analytics, and fraud prevention. Required privacy messages are shown through Google’s User Messaging Platform before free use where applicable. Premium is optional and removes ads; purchase validation, analytics, diagnostics, and any cloud backup you choose are described separately below.