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Show HN: Heart rate measure with iPhone and iPod (Promocodes :))
- CoreDev 14y agoSome weeks ago i asked myself if its maybe possible to hear my own heart with the microphone. After some testing around with some filters and other tools i decided to code an app for everyone. It does not work really good for people with slow rates like athletes but i am working on v2 already :) Here are some promo codes for you =D 9AKA44KP9WMK - 9TNJL4KLEL3M - PEF9H9N93MPY - XYXPKWTP7AWX