Privacy Policy for Neon Calculator
Last Updated: September 14, 2026
Introduction
Neon Calculator ("we," "our," or "the App") is a calculator application developed by SZAD. This Privacy Policy explains how we handle your information when you use our App.
We are committed to protecting your privacy. In short: we do not collect, transmit, or store any personal data on external servers. Everything stays on your device.
Information We Store Locally (On Your Device Only)
All data generated by the App is stored exclusively on your device in private app storage (SharedPreferences). This data never leaves your device and is not accessible to us or any third party.
1. Calculation History
Your calculation expressions and results are saved locally so you can view and reuse them.
You can clear this at any time using the "Clear" button in the History screen.
2. App Settings
Theme preference (Dark/Light mode)
Selected color theme
Vibration/Haptic feedback (On/Off)
Glide typing (On/Off)
Neon trail animation (On/Off)
Trail sync preference
3. Engagement Tracking (Local Only)
To improve user experience, the App tracks anonymous usage counts on your device only:
Number of app launches
Number of distinct days you have used the App
Total calculations performed
Advanced panel (fx) usage count
Glide typing usage count
Purpose: This is used solely to determine when to show optional prompts (e.g., "Share the app" or "Unlock Pro themes"). This data:
Never leaves your device
Is not transmitted to us
Cannot identify you personally
Is stored in a private SharedPreferences file
4. Purchase Status
If you purchase "Neon Pro," your purchase status is stored locally and verified through Google Play Billing.
Information We Do NOT Collect
We do not collect, transmit, or store any of the following:
Name: No
Email address: No
Phone number: No
Location data: No
Contacts: No
Photos/Media: No
Device identifiers (for tracking): No
Usage analytics (external): No
Crash reports (external): No
Advertising ID: No
No account registration or login is required. No Gmail, name, or location is ever requested.
Permissions Used
The App requests the following device permission:
VIBRATE: Provides haptic feedback (vibration) when you tap calculator keys.
Can you disable it? Yes, via Settings toggle in the App.
No internet permission is required for core functionality. The App works fully offline.
Third-Party Services
Google Play Billing
Used for in-app purchases (Neon Pro lifetime unlock).
Google's privacy policy applies to payment processing: https://policies.google.com/privacy
Google Play In-App Updates
Used to notify you of available app updates.
Provided by Google Play Services.
Google Play In-App Review
May request you to rate the app after extended use.
No personal data is collected by us.
We do not use any advertising SDKs, analytics SDKs (like Firebase Analytics), or social media trackers.
Children's Privacy (COPPA Compliance)
The App does not knowingly collect any personal information from children under 13. Since we do not collect any personal information at all, the App is safe for users of all ages.
GDPR Compliance (For EU Users)
If you are in the European Economic Area (EEA), you have rights under GDPR. Since we do not collect or process any personal data, there is no data for us to access, correct, or delete. All app data is stored locally on your device and can be cleared by:
Clearing the App's data in Android Settings
Uninstalling the App
California Privacy Rights (CCPA)
California residents have the right to know what personal information is collected. We collect none. We do not sell personal information.
Data Security
Since all data stays on your device:
Your calculation history and settings are protected by Android's app sandbox.
We have no servers to be breached.
Purchase verification is handled securely by Google Play.
Data Deletion
To delete all App data:
1. Go to Android Settings -> Apps -> Neon Calculator -> Storage -> Clear Data
2. Or uninstall the App
This permanently removes all locally stored data.
Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted here with an updated "Last Updated" date. Continued use of the App constitutes acceptance of the updated policy.
Refund Policy
All purchases are processed through Google Play Billing. Refund requests must be directed to Google Play Support,Google Play's refund policy applies.
Contact Us
If you have questions about this Privacy Policy:
Email: growwithszad@gmail.com
Developer: SZAD
Summary
All data stays on your device
No personal information collected
No accounts, no login, no email required
No location tracking
No ads, no third-party analytics
Purchases handled securely by Google Play
Full offline functionality
You can delete all data anytime
This Privacy Policy is effective as of September 14, 2026.
