This plugin shows some useful stats about your jump inputs.
You can also use it to practice different jump-related mechanics like fast aerials, speed-flips or wall-dashes.
Works in freeplay, custom training and with different game-speeds.
README
Full README on GitHub with useful tips and example commands.
Troubleshooting
Having an issue with the plugin? Found a bug? Missing a feature?
Open a new issue on GitHub and I'll look into it.