Blog — AuraHarmony

Split image — on the left, a smartphone surrounded by server racks and glowing data streams in warm light; on the right, a smartphone with a softly glowing waveform standing on its own on a wooden table in a bright room

Offline-First App Architecture and Privacy by Design

How can an offline-first app support privacy and data minimization? A technical look at local processing, Privacy by Design, and AuraHarmony.

Sound wave illustration representing the nine Solfeggio frequencies

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Frequencies 4 min read

Solfeggio Frequencies List — All 9 Frequencies from 174 to 963 Hz

The complete list of all nine Solfeggio frequencies with their traditional meaning, an honest scientific assessment, and practical tips to get started.

Four-panel split image transitioning from warm to cool light — a person wearing headphones, monks singing by candlelight in a stone abbey, a tuning fork in daylight, and an antique microscope blending into the glow of a modern smartphone

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Frequencies 6 min read

Binaural Beats, Solfeggio, 432 Hz, and Rife Compared

Binaural beats, Solfeggio frequencies, 432 Hz tuning, and Rife frequencies — what's the real difference, how do they work, and which one fits your day?

Split image — on the left, an antique brass microscope and vacuum-tube apparatus in the warm light of a 1930s laboratory; on the right, a smartphone showing a purple-to-cyan frequency waveform in a calm, modern room

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Frequencies 5 min read

Royal Raymond Rife and the CAFL List — A Beginner's Guide

Who was Royal Raymond Rife, and what is the CAFL list? The real history behind Rife frequencies — and how to use them safely for relaxation today.

Split image — on the left, monks singing by candlelight in a medieval abbey; on the right, a woman meditating cross-legged in a bright, modern room

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Frequencies 4 min read

The Sound of Silence: How Medieval Monk Chants Help Us Unwind Today

An 11th-century monk's notation system quietly became the basis for Solfeggio frequencies — here's the real history, and how the science holds up today.

Smartphone running AuraHarmony at 174 Hz next to a Rigol oscilloscope showing the matching sine wave and frequency readout

Science 5 min read

Smartphone Frequencies on the Oscilloscope

Can smartphones reproduce clean sine waves? We measured our frequency app on a Rigol oscilloscope — both Solfeggio tones and binaural beats. Here is what we found.

Company 3 min read

Why We Built AuraHarmony Without Accounts, Tracking, or Cloud

Every meditation app is collecting your data. We made a different choice — and here's why that mattered for the architecture.

Science 3 min read

The Science of Binaural Beats — What Actually Happens in Your Brain

Two slightly different tones, one in each ear. Your brain hears a third tone that doesn't exist. Here's how that's possible.

Frequencies 3 min read

Understanding Solfeggio Frequencies — A Beginner's Guide

The nine sacred tones that may have shaped Western music — and what science actually says about them today.