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58 points by JojoFatsani 2h ago 9 comments

Show HN: I gamefied an AI-powered health optimizer

1 KevinRolle 1 4/30/2025, 11:56:30 PM vitalflip.replit.app ↗

I built VitalFlip because I realized: People don't care how many steps they took - They want to know what to do next to optimize their health.

It’s a GPT-powered AI that reverse-engineers your lost motivation and gives you a tailored plan to restart — emotionally, not just physically.

Built using GPT-4, custom prompt engineering, and synced with wearable data via Fitbit API. And zero “hustle culture.”

Feedback welcome: vitalflip.replit.app

Comments (1)

KevinRolle · 5h ago

VitalFlip isn't just another health tracker. It’s a GPT-powered AI that reverse-engineers your lost motivation—then helps you reignite it. It syncs with Fitbit and wearable data, but the magic is emotional: it helps you remember why you started in the first place, not just what to do next.

Most fitness apps push steps, sleep, and macros. VitalFlip asks better questions, like:

What emotional trigger derailed your progress?

How do you feel about restarting?

What reward system will actually motivate you?

It’s anti-hustle, emotionally intelligent, and built with GPT-4 + custom prompt engineering.

Try it here: https://vitalflip.replit.app

I'm eager to hear what the HN community thinks — feedback welcome!