An Anvilfield app. Free to calculate and check lifts. Pro is a one-time unlock for unlimited saved jobs and unwatermarked PDFs. No subscription.
Connected lift chain
Weight, CG, geometry, tension, WLL, critical flag, and rig sheet stay in one project.
Offline by default
Calculations, saved lifts, references, and PDFs are stored on the device.
Built for qualified crews
Plain-language warnings, override notes, and signature lines support field review.