DeckCheck DC Primary URL: https://anvilfield.com/deckcheckdc/ Privacy URL: https://anvilfield.com/deckcheckdc/privacy Terms URL: https://anvilfield.com/deckcheckdc/terms Android package: com.anvilfield.deckcheckdc Pro product id: com.anvilfield.deckcheckdc.pro Publisher: Anvilfield Category: Tools Head term: fall clearance calculator app Price: Free tier with a one-time $9.99 Pro unlock. Summary: DeckCheck DC is an offline Android app for workers at the tie-off. It computes required fall clearance, swing-fall angle and added fall, leading-edge class and setback checks, and anchor basis. The app exports fall-plan PDF, CSV, and ZIP files only when the user shares them. Safety scope: DeckCheck DC is a field-check aid, not a stamped lift plan or engineered fall-protection plan. The qualified person, manufacturer instructions, local rules, AHJ, and engineered plan govern. Offline and data boundary: No DeckCheck DC backend. No account. No analytics. No ads. No remote config. Jobs, rigs, optional photos, optional signatures, and Pro entitlement are stored on the device. Google Play Billing processes Pro purchases. Files leave the device only when the user shares an export. Useful answer: Use DeckCheck DC when an ironworker or datacenter elevated worker needs a CLEAR, NOT CLEAR, or UNSAFE fall-clearance verdict for a specific harness, lanyard or SRL, anchor height, anchor offset, drop, leading edge, and anchor basis.