FlashTiger

Solo dev building AI to fix insomnia.

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WhatsFeelAI-driven sleep audio guided by your real-time heart rate
Jun 2026

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Joined Product HuntJune 27th, 2026

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p/whatsfeel

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11h ago

How I built a heart-rate driven AI meditation app

Hi everyone! I m FlashTiger, the solo dev behind WhatsFeel.

I've been dealing with insomnia for a long time, and I grew tired of the same old, static meditation recordings. They never felt "present" they didn't know I was stressed, and they definitely didn't know my heart was racing at 85 bpm while I was trying to fall asleep.

So, I built WhatsFeel.

Here is what makes it different:

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7h ago

WhatsFeel - AI-driven sleep audio guided by your real-time heart rate

Most meditation apps play static scripts. WhatsFeel generates live spoken guidance driven by your body. Why we stand out: • Universal BLE HR sync (0x180D) • Live AI spoken guidance (not ambient music) • Pick your favorite voice upfront Whether fighting bedtime anxiety or taking a break, let your heart rate dictate the calm.