Disclaimer: I am continually improving my apps on a best-can-do basis. App development and support is taking place in my spare time, i.e. responses to email or bug fixes may take some time.
Thank you for your patience
Free version calculates kinetic energy of an object from mass and velocity. Kinetic Energy Calculator Pro (available via in-app-purchase) adds support for calculating mass from kinetic energy and velocity, and calculating velocity from kinetic energy and mass.
Platform: iOS, iPadOS 15.5+
Easy-to-use archery scoring app. Use your iPhone as scoresheet for target and 3D archery. Score statistics provided by the app help to analyze your scores.
Platform: iOS, iPadOS 15.5+
App to track personal fitness workouts.
Platform: iOS, iPadOS 26+
App to manage archery tournaments.
Platform: MacOS 13.5+