Developer Journal

Behind the Scenes

Insights into the development of Elara Health. Technical decisions, scientific foundations, and lessons from the community.

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Why We Rely on Energy Envelope Theory

Choosing Prof. Jason's research as the foundation of our Recovery Need Score was no accident. In this post, I explain why pacing is scientifically grounded and how we implemented it in Elara.

Energy EnvelopePacingME/CFSResearch

FM

Frederik Marquart

Founder

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Development12 min

How HRV Data Can Predict PEM

Post-exertional malaise is one of the most burdensome aspects of ME/CFS. Our analysis of HRV patterns shows promising approaches for early warning - 24 to 72 hours before symptoms appear.

HRVPEMAlgorithm

January 8, 2026Read

Community6 min

What We Learned From Our First Users

After six months in beta, we collected valuable feedback. The biggest takeaway: simplicity beats feature breadth - especially for people living with fatigue.

User FeedbackUXBeta

December 20, 2025Read

Development10 min

The Technical Architecture Behind Elara

React Native, TypeScript, and a secure backend infrastructure in Germany. A look behind the scenes of our technical decisions and why privacy was built in from day one.

TechArchitecturePrivacy

December 1, 2025Read

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