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CulvertCheck Privacy Policy

Publisher: Anvilfield

Effective date: June 1, 2026

CulvertCheck is an offline Android calculator for culvert sizing and capacity checks. The app does not use accounts, ads, analytics, telemetry, or a backend service.

Data stored on your device

The app can store job names, location text you type, notes, calculation inputs, calculation results, photos you attach, settings, and purchase status. This data stays on your device unless you choose to export or share it.

Photos and files

If you attach a photo, CulvertCheck copies that photo into app-private storage so it can appear in your saved job and PDF report. The app does not upload photos.

Purchases

Pro unlocks are handled by Google Play Billing. Google processes the purchase. CulvertCheck stores local purchase status so paid features keep working offline.

Data sharing

The app does not send data to the developer. When you export a PDF or use the Android share sheet, you choose where that file goes.

Deleting local data

You can delete individual jobs inside the app. You can also use Settings, Clear saved data to delete saved jobs, notes, photo records, copied photos, and field defaults from this device. Android system settings can clear all app data. There is no account to delete because the app has no account system.

Children

CulvertCheck is a professional trade tool and is not directed to children.

Safety note

Estimate only. Verify with a licensed engineer, your AHJ, and current local code before construction.

Contact

For privacy questions, email support@anvilfield.com.