SitSense
Use your webcam to fix your posture
SitSense launched on March 13, 2026 with 98 votes, #466 of 23,380 launches that month and more than 95% of that year's launches.
What it does
You are probably hunched over reading this. SitSense turns your laptop camera into a real time posture coach. No wearables. No hardware. Just open your browser. Get nudged when you start slouching, track your posture score, build streaks, and rank up from Shrimp to Giraffe.
Free AI posture correction software that uses your webcam to monitor posture in real time. No wearable or hardware needed — just your laptop camera. Free to use, no credit card.
“ As someone who codes for 8+ hours daily, I was skeptical about a webcam posture app. But SitSense's real-time feedback has been a game changer. My neck pain has decreased immensely in just one week. ” “ The design of SitSense was intuitive and easy to use. I didn't have to set anything up. It worked with what I already had and helped me learn more about my posture without any extra effort. ” “ Finals week had me hunched over my laptop 11 hours a day, and my neck was killing me. SitSense gave me posture alerts and simple coaching exercises that relieved the pain. ” “ SitSense is incredibly intuitive - it's the kind of tool people can pick up instantly. As a pediatrician, I see every day…from sitsense.app
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