Effective Date: 09/09/2025
Last Update: 02/11/2025
App Name: EasyCalc - Simple Calculator
Developer: Design World Ltd.
Welcome to EasyCalc - Simple Calculator, developed by Design World Ltd.
Your privacy is very important to us. This Privacy Policy explains what information we collect, how we use it, and how we protect it when you use our app.
By using Simple Calculator, you agree to the practices described in this Privacy Policy.
👉 If you do not agree with this Policy, please stop using the app.
2. Information We Collect
2.1. Personal Information
We do not collect any personally identifiable information such as your name, email address, phone number, or location.
2.2. Non-Personal Information
We may automatically collect limited non-personal information, such as:
Device type and model
Operating system version
App version and usage statistics
Country (non-identifiable)
Crash logs and performance data
These are used only to improve app performance and reliability.
3. Firebase Data Collection
We use Firebase services (Google’s analytics and diagnostic tools) to improve app stability and understand user engagement.
Firebase may automatically collect:
App usage data (e.g., feature interactions, session duration)
Analytics data (through Firebase Analytics)
App performance metrics (through Firebase Performance Monitoring)
Approximate location (non-GPS based)
Purchase History
This data is aggregated and anonymized — we cannot identify individual users.
You can learn more here:
🔗 Firebase Privacy & Data Collection
Our app includes a one-time payment option (“Remove Ads – Lifetime Access”) using Google Play Billing.
All purchases are processed securely through Google Play.
We do not store or have access to your payment details (such as card information or account data).
Google Play handles all payment verification and receipts according to their policies.
For more information, see:
🔗 Google Play Privacy Policy
5. Advertising and Third-Party Services
We use AdMob (Google Ads) and Facebook Audience Network (Meta) to display advertisements.
These third-party ad networks may collect non-personal information such as:
Device identifiers (e.g., Advertising ID)
Network type, language, and OS version
App usage patterns
This helps provide relevant, interest-based ads and measure ad performance.
You can manage or reset your ad preferences from your device settings:
Android: Settings → Privacy → Ads → Reset advertising ID / Opt out of Ads Personalization.
Third-Party Services We Use:
Our app is designed for general audiences and is not directed toward children under 13.
We do not knowingly collect or store personal information from children.
We take reasonable and industry-standard measures to protect the information we collect.
However, please note that no data transmission or storage system can be guaranteed 100% secure.
We retain non-personal data only as long as necessary for app improvement, analytics, and legal compliance.
You can uninstall the app at any time to stop further data collection.
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time.
When updated, the “Effective Date” at the top will change.
Updates take effect immediately once published within the app or on this page.
If you have any questions or concerns about this Privacy Policy, please contact us:
📧 arifulislam2001325@gmail.com
By using Simple Calculator, you acknowledge that you have read, understood, and agreed to this Privacy Policy.