Construction Calculator works without an account, and we do not collect your name, email, or location. Your unit preference and your calculation history are stored only on your device and are deleted when you uninstall the app. Measurements and calculations never leave your device.
Advertising (Google AdMob). Subject to consent, AdMob may process your advertising ID, device identifiers, app-usage/ad-interaction data, and coarse IP-based location to serve/measure ads. In the EEA/UK/Switzerland a Google consent form (UMP) appears before any ad loads (Settings → Privacy options).
Subscription (Google Play Billing). The Pro weekly subscription and its 7-day free trial are processed by Google Play; we don't receive your payment details.
Diagnostics. The ads SDK may collect crash/performance data.
Children. For users 13+, not directed to children under 13.
Contact. support@z-ax.com