Last updated: May 6, 2026
Thank you for choosing Master Cleaner, developed by PT Sarana Kalteng Ventura.
We aim to provide a simple, safe, and transparent experience. This Privacy Policy explains how we handle information when you use the app.
By using Master Cleaner, you agree to this policy. If you do not agree, you may stop using the app or adjust permissions in your device settings.
When you use Master Cleaner, we may collect:
Device information: model, brand, OS version, system language, screen size, RAM, installed and running apps
Identifiers: advertising ID (com.google.android.gms.permission.AD_ID), IP address, and device-related identifiers
Usage data: app activity, pages viewed, feature usage, ad interactions, and notification events
This helps us keep the app stable and improve performance.
We may receive information when:
You contact support
You grant access to storage or device features
We only access what is needed for the feature you choose to use.
The app itself does not include external links. However, this policy contains links to third-party SDK policies for transparency.
We use information to:
Provide features like junk cleaning, duplicate detection, large file scanning, and device optimization
Improve app stability and performance
Show ads and measure their effectiveness
Respond to support requests
Prevent misuse and ensure security
👉 Your personal files (photos, videos, documents) are never uploaded.
All scanning happens locally on your device.
Master Cleaner only requests permissions necessary for its features:
android.permission.POST_NOTIFICATIONS
Trigger: Requested on splash screen or home screen if not yet granted
Description: Android 13+ notification permission
Purpose: Allows sending alerts and reminders via notification bar
android.permission.WRITE_EXTERNAL_STORAGE
Trigger: When viewing large files, junk files, or duplicate files
Description: Android 10 and below write access
Purpose: Allows writing and managing files in external storage
android.permission.READ_EXTERNAL_STORAGE
Trigger: When viewing large files, junk files, or duplicate files
Description: Android 10 and below read access
Purpose: Allows reading files stored on your device
android.permission.MANAGE_EXTERNAL_STORAGE
Trigger: When scanning large files, junk files, or duplicates
Description: Android 11+ all files access
Purpose: Allows full file management for deep cleaning
android.permission.PACKAGE_USAGE_STATS
Trigger: When accessing junk cleaning page
Description: App usage statistics access
Purpose: Helps analyze cache generation and improve cleaning accuracy
android.permission.DELETE_CACHE_FILES
Trigger: When cleaning app cache
Description: Cache clearing permission
Purpose: Allows removal of cached data
android.permission.CLEAR_APP_CACHE
Trigger: When clearing all app cache
Description: Cache clearing support
Purpose: Frees storage by deleting cached files
android.permission.RECEIVE_BOOT_COMPLETED
Trigger: After device startup
Description: System broadcast receiver
Purpose: Allows the app to restart necessary services after reboot
android.permission.FOREGROUND_SERVICE
Trigger: After permission granted on splash/home screen
Description: Foreground service permission
Purpose: Keeps cleaning tasks running smoothly
android.permission.FOREGROUND_SERVICE_SPECIAL_USE
Trigger: When starting foreground services on newer Android versions
Description: Special foreground service type
Purpose: Supports advanced foreground operations
android.permission.REQUEST_DELETE_PACKAGES
Trigger: When uninstalling apps from app manager
Description: App uninstall permission
Purpose: Allows uninstalling other apps with your confirmation
android.permission.ACCESS_WIFI_STATE
Trigger: When using network speed test
Description: Access Wi-Fi and IP info
Purpose: Allows retrieving network details for testing
All permissions are used only for the purposes described above.
We use trusted third-party services for ads, analytics, and stability:
Google Play Services: https://policies.google.com/privacy
Google AdMob: https://policies.google.com/privacy
Firebase Analytics: https://firebase.google.com/support/privacy
Firebase Crashlytics: https://firebase.google.com/terms/crashlytics
These services only process limited data necessary for their functions.
Depending on your region, you may have the right to:
Access your data
Request deletion
Correct inaccurate data
Opt out of personalized ads
Know how your data is used
File a complaint with a data authority
To make a request, contact: aplikasikaltengventura@gmail.com
Usage data may be retained for up to 60 days
Files on your device remain on your device
Data is deleted when no longer needed
We apply reasonable technical and administrative safeguards to protect your data. No system is completely secure, but we continuously improve our protections.
Master Cleaner is not intended for children under 13.
If such data is identified, it will be deleted promptly.
Please do not share sensitive personal data (such as health, religion, or legal records) through the app.
Some third-party services may process data in other countries (such as the United States). By using the app, you agree to such transfers where permitted.
We process data based on:
Your consent
Contractual necessity
Legal obligations
Legitimate interests (such as security and performance improvement)
Please keep your device secure. We are not responsible for issues caused by unauthorized access due to shared devices or misuse.
Developer: PT Sarana Kalteng Ventura
Email: aplikasikaltengventura@gmail.com
DPO: RUSMONO
We may update this Privacy Policy from time to time.
Changes will be notified داخل the app. Continued use means you accept the updated policy.