Effective date: 24 May 2026

TradeCalc is a free offline trade calculator application for Android. This policy explains what information we collect, how we use it, and your rights.

1. Information We Collect

1a. Information you provide

TradeCalc stores calculation inputs and results locally on your device only using Android's SharedPreferences. This data never leaves your device and is not transmitted to any server.

1b. Automatically collected information (Advertising)

TradeCalc shows advertisements served by Google AdMob. To serve relevant ads, AdMob may collect:

• Device identifiers (Android Advertising ID)
• IP address and approximate location
• Device model, operating system version
• App usage events (impressions, clicks)

This data is collected by Google under their own privacy policy. You can opt out of personalised advertising in your device Settings → Google → Ads → Opt out of Ads Personalisation.

See Google's privacy policy at: https://policies.google.com/privacy

1c. In-App Purchases

If you purchase the "Remove Ads" upgrade, the transaction is handled entirely by Google Play. We do not receive or store your payment details. Google Play's privacy policy applies to this transaction.

2. Information We Do NOT Collect

• No account or registration is required
• No name, email address, or contact information
• No precise location
• No microphone, camera, or contacts access