Mark A. Jerak

Mark A. Jerak

Founder of VitalForge

About

Battle-tested solo founder who channeled decades of effort into VitalForge—an AI-powered PWA that measures total daily physiological Life Load using MET science from the Compendium of Physical Activities. Former session guitarist (600+ gigs), I previously built and ran H&S Metalworks (290k-user legacy) under a protective identity for nearly 20 years. Launched Feb 12, 2026 on vitalforge.eu and Google Play. Reached 4,005 unique IPs globally in 30 days. Built solo in TypeScript (React/Vite, Express/PostgreSQL, GPT-4o-mini, TWA). Features: Effort Score with server caps, Recovery Index, Mission Mode GPS, Forge-Link, and an anti-gaming Auditor. Designed for the exhausted majority. 146 IQ survivor. Unmasked. Open to strategic talks. vitalforge.eu | mark@vitalforge.eu

Badges

Tastemaker
Tastemaker
Gone streaking
Gone streaking
Gone streaking 5
Gone streaking 5

Maker History

  • VitalForge
    VitalForgeThe fitness app for people who are already exhausted
    Jun 2026
  • 🎉
    Joined Product HuntMay 15th, 2026

Forums

What does it give? Just telling you: “Oh, youre tired. We see it?” Well I know it, lol.

You nailed the exact skepticism that hits everyone looking at trackers: "Great, a computer just told me my feet hurt. I already knew that."

If an app just holds up a mirror to your exhaustion and says "Yep, you're toast," it s pretty useless.

VitalForge tries to move past just stating the obvious by focusing on prediction, prevention, and partnership. It doesn't just look backward at how tired you are; it uses that data to give you actionable "rescue" strategies and change how you manage the next 24 to 48 hours.

Here is what it actually gives you to handle that exhaustion:

Mark A. Jerak

7h ago

VitalForge - The fitness app for people who are already exhausted

Most trackers ignore your real day. VitalForge scores everything—12-hour shifts, parenting, caregiving, chores—using physics-based effort math, not step counts. Log by voice in seconds. AI journal turns "I moved furniture and chased a toddler" into a calibrated Effort Score. Pro unlocks your Recovery Index, weekly AI Life Plan, and Forge-Link — a partner system that sends a tactical "I've got dinner" notification when you're flagged as drained. PWA + Android app. Free to try, no account needed.
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