Hey d,

I made my brew coffee app hands-free with Codex.

I added voice control with GPT-Live 1 for two reasons:

I want a barista coach.
I want to edit my recipe, tastings, and fix issues on the fly.

Details below, plus my SF trip tomorrow.

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Voice adds another dimension.

I didn't expect the app to turn out like this. My original goal was pour-over coaching, and it became so much more useful with tool calling.

What could you build with voice?

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Voice Control

I exposed every screen and setting to the backend GPT-6 Luna agent so that I can switch screens or change any part of the recipe.

This allows me to make on-the-fly changes when I'm actively brewing coffee (without resetting the timer).

Talk soon,
Paul Solt
Paul@SuperEasyApps.com

P.S. Need help with your next app? Book a time on my calendar.

P.P.S. I'm traveling to San Francisco, CA for OpenAI's DevDay 2026 (September 28th - October 1st).

If you're in the SF area let me know, I plan on running + coffee in the mornings (Fort Mason + Golden Gate Bridge area).