Most wellness apps are built by Karelle HoflerMost wellness apps are built by Karelle Hofler

Most wellness apps are built

Karelle Hofler

Karelle Hofler

Most wellness apps are built on streaks, badges, and guilt-driven engagement loops. Zillinity is built on the opposite premise: "be and become" — presence over performance, with no gamification mechanics designed to make you feel behind.
I designed and built the entire product solo, end to end. Core features include:
- mood-based ambient spaces - two distinct journaling modes (Float for free-flow, Swim for guided depth), -- an AI insight layer called The Mirror that synthesizes patterns across spaces, journal entries, moods, and wins tracked
On the technical side, I migrated the app from Next.js to React + Vite for improved performance, architected the backend on Supabase, and built out the marketing site separately on Astro. UI/UX was designed in tandem with the engineering. Every interaction pattern was built to reinforce the product's anti-gamification philosophy rather than work against it.
My role: Solo founder & full-stack developer — product engineering, system architecture, UI/UX design
Tools/Tech: React, Vite, Supabase, Astro, Claude
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Posted Jun 26, 2026

Most wellness apps are built on streaks, badges, and guilt-driven engagement loops. Zillinity is built on the opposite premise: "be and become" — presence ov...

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Feb 1, 2025 - Ongoing