Resonva: 417Hz Music Player

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About this app

Most music players give you a volume knob and a playlist. Resonva gives you something rarer a reason to actually sit with your music.

Built for Android, Resonva is a fully offline music player for your local MP3 library. No streaming. No account. No internet required. Just your music, played exactly the way you want it.

PureWave — 417Hz Frequency Tuning
At the core of Resonva is PureWave, a proprietary audio feature that tunes your music in real time to 417Hz — a Solfeggio frequency associated with clarity, calm, and restoration. The result is a listening experience that feels warmer and more natural than standard playback, without altering the music itself.

PureWave offers three modes — Low, Medium, and Deep — each suited to a different state of mind. Low is subtle, for everyday listening. Medium adds depth, ideal for studying or focus. Deep is full immersion, built for meditation, journaling, or winding down at night.
Unlock an hour of PureWave by watching a single short ad. No subscription required, ever.

Animated GIF Album Art
Resonva is the only Android music player that supports animated GIF files as album art. Set a looping animation as your cover art and it plays live alongside your track. It is a small detail, but it changes how a listening session feels entirely. Static images and custom photos are fully supported as well.

Adaptive Interface
The UI reads the color palette of your current album art and adjusts the entire interface to match. Every song has its own visual identity. The app never looks the same twice.

Offline, Always
Resonva was built around one principle: your personal music library deserves a great player. It works completely without internet, loads your local files instantly, and never interrupts playback with ads. Ads only appear when you choose to unlock PureWave never during listening.

Resonva is for the listener who has always felt that music deserves more than a generic app.