
Lifestack (Web + AI Scheduler)
First AI calendar to use health data for better productivity

AI that calls you for self-reflection
Friday is a mental health app that helps user to build consistent reflection & journaling habits by a proactive AI voice call.
Friday made its debut on October 25, 2025 — 6 months ago. Friday is positioned within the Productivity tools, Artificial Intelligence (AI), and Fitness sectors. Considered a growing startup, it has gathered 376 votes and 41 comments from the community.
Browse all startups in Productivity tools, Artificial Intelligence (AI), Fitness.
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