--- title: "Harmonium - Sound Therapy — App Overview" url: https://marlvel.ai/apps/harmonium-sound-therapy category: Health & Fitness developer: Masaru Suzuki platforms: ios rating: 3.8 (9 ratings) pricing: free report_level: overview generated: 2026-05-09 last_verified: "2026-05-09T10:50:39.034Z" --- > **Key Insight:** Harmonium differentiates itself by dynamically modulating audio frequencies based on live environmental and lunar data to facilitate user relaxation. | Metric | Value | |--------|-------| | Category | Health & Fitness | | Rating | 3.8 ★ (9) | | Pricing | free | | Platforms | iOS | | Latest Version (iOS) | 0.1.10 | | Developer | Masaru Suzuki | ## What is Harmonium - Sound Therapy? Harmonium is a sound therapy application that generates ambient soundscapes based on real-time astronomical and meteorological data. The app claims to induce relaxation by utilizing Brainstem Frequency Following Response (FFR) to influence brain waves. ## Key Features - **Astronomical Sound Generation**: Creates healing sounds based on moon phases, lunar distance, atmospheric pressure, and tide levels. - **Brainstem Frequency Following Response (FFR)**: Uses 432Hz and 528Hz guiding sounds to encourage brain waves within the 8 to 13 Hz relaxation range. - **Dynamic Audio Environment**: Integrates wave, creature, rain, and thunder sounds with a 432 Hz tuned piano that shifts in real-time with tidal ebbs and flows. ## Who is it for? Individuals seeking relaxation and stress relief through nature-inspired sound therapy and brainwave entrainment. ## Links - [App Store](https://apps.apple.com/us/app/harmonium-sound-therapy/id1441495836?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/harmonium-sound-therapy) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/harmonium-sound-therapy).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*