Featured

Lease Operator Toolkit

Your all-in-one oilfield toolkit — combining gas calculations, spill estimation, and field utilities into one fast, no-nonsense app built for real work in the field.

Hangar Mx Log

Track aircraft times, maintenance due items, component changes, history, and checklists in one simple log. Update Hobbs and Tach once, and Hangar Mx Log automatically keeps airframe, engine, and propeller times current.

Gas Volume Calculator

A simple iOS tool for calculating natural gas volumes through an orifice meter. Designed for quick, field-ready calculations.

Spill Volume Calculator - Pro

Quickly calculate spill volumes across various soil types while accounting for soil displacement. The app allows you to include two different fluids in a single calculation and save or share results for reporting and documentation.

Spill Volume Calculator - Lite

Calculate spill volumes by selecting the shape that best matches the spill area. Rectangular and square calculations can also account for tanks or vessels by entering their dimensions.

Volume in Pipe Calculator

Quickly calculate the amount of natural gas that will be released when blowing down pressure from a segment of pipe. Designed to provide fast estimates for planning and safety considerations.

Workover Assistant

A collection of quick calculation tools designed for oil and gas well operations, including hydrostatic pressure, internal capacity, and other common field calculations.

PilotAssist

A simple aviation calculator designed for pilots and student pilots. Includes tools for Zulu time conversion, temperature conversion, fuel weight calculations, runway reciprocals, and wind component calculations.