Last Updated: July 1, 2026
Home & DIY Calculator ("the App") is committed to protecting your privacy. This Privacy Policy explains how we handle information when you use our home-improvement calculator and project estimating application. The App works fully offline and does not require an account.
Locally on your device only:
No personal information is required — no account creation, no email, no sign-in. Your projects and calculations never leave your device except when you choose to share a PDF or CSV yourself.
Free users see ads served by Google AdMob. AdMob may collect:
Upgrading to Pro removes all ads permanently. See Google's Privacy Policy for AdMob details.
The App uses the Google Play Integrity API to help protect purchases against fraud and tampering. This produces an anonymous integrity token issued by Google. It contains no personal identifiers and is not used to track you.
Pro purchases are processed by Google Play. We receive only confirmation that a purchase was completed. We do NOT receive:
We do NOT sell, trade, or share your personal data with third parties, except:
All project and calculation data is stored locally on your device. Uninstalling the app deletes all local data.
This app is intended for users aged 18 and over (or with parental consent) and is not directed at children under 13. We do not knowingly collect personal information from children.
For privacy questions or data deletion requests, email: dev@corithmflowmatrix.com
Subject line: "Home & DIY Calculator - Privacy Request"
Operated by: Corithm Flow Matrix
Contact: dev@corithmflowmatrix.com
Website: https://corithmflowmatrix.com