d HSE Tool is a totally free app and free forever, and has a built-in calculator to provide the most accurate data. Whether you've already created a lifting/rigging plan, here’s you can get an idea and helps you make better decisions that your lifting/rigging plan works perfectly. Also, can get an idea that how much cost of equipment, tool, and tackles you will face during lifting/rigging. You can use this app before and during lifting/rigging for cross-checking.

Features:
Most accurate data
Simple interface that you will enjoy using all the time and not get headaches trying to figure out how to make sense of everything!