How I Built a Free AI Life Coach That Real People Use

Harm Rietmeijer — Tue, 17 Mar 2026 20:11:40 +0000

Most self-improvement apps track one thing — fitness, meditation, or money. But your life doesn't work in silos. You might be crushing it at the gym while your relationships suffer. Or earning great money but sleeping 5 hours a night.
I built nuvo.coach to solve this. It's a free AI life coach that measures your life across three pillars: Happy (emotional wellbeing), Healthy (physical health), and Wealthy (financial growth) — then gives you a single Life Balance Score from 1-10.
The Problem I Was Trying to Solve
I run a martial arts academy. I coach people daily. And I noticed a pattern: the students who struggled most weren't lacking skill — they were out of balance. Stressed at work, ignoring their health, or socially isolated.
Traditional coaching is expensive ($100-300/session) and hard to scale. I wanted something that could give personalized guidance to anyone, for free, in 2 minutes.
The Approach
The framework is based on behavioral science:

COM-B Model — Understanding what drives behavior change
BJ Fogg's Tiny Habits — Small actions that compound
Endowed Progress Effect — Showing people they've already started motivates them to continue

The AI doesn't just give generic advice. It calculates your score, identifies your weakest pillar, and suggests one micro-action you can attach to an existing habit. That's it. No 30-day challenge. No overwhelming dashboard. Just: here's your score, here's your lowest area, here's one thing to try this week.
What I Learned

People don't want more features — they want clarity. Early versions had detailed breakdowns, charts, history graphs. Usage was low. When I simplified to just the score + one recommendation, engagement tripled.
The "gap" insight is the most valuable output. Your overall score matters less than the gap between your highest and lowest pillar. A score of 7-7-7 is healthier than 9-9-3. People find this genuinely surprising.
Free works — but only with a clear value proposition. "Free AI life coach" sounds like spam. "What's your Life Balance Score?" is a question people want to answer. Open Source Framework I've published the methodology as an open-source framework on GitHub: life-balance-framework It includes:

The full self-assessment (15 questions across 3 pillars)
An interactive web calculator (GitHub Pages)
The behavioral science research behind the approach
A printable weekly scorecard

You can use it, adapt it, or contribute to it. MIT licensed.
Try It
You can calculate your Life Balance Score right now:

Quick version: GitHub Pages calculator
Full AI coaching: nuvo.coach (free, no signup required)

I'd love to hear what your score is and whether the "weakest pillar" insight resonates. What would you build differently?

DEV Community: Harm Rietmeijer

How I Built a Free AI Life Coach That Real People Use