528 Player Plus vs aud

What if your favorite music could sound and feel different — not by changing what you hear, but by shifting the frequency beneath it? 528 Player Plus retunes any song from your library to 528 Hz — the Solfeggio frequency associated with harmony, restoration, and the natural resonance of living systems — in real time, as it plays. No exports. No waiting. No audio files to manage. Just press play. HOW IT WORKS Most modern music is mastered at 440 Hz, the global standard tuning. 528 Player Plus shifts the playback frequency of your existing music library to 528 Hz on the fly — so every song you already love plays at this resonant frequency without altering your original files. WHAT YOU GET Real-time 528 Hz retuning of your full music library Clean, distraction-free player interface No subscriptions — pay once, own it forever Try free: retune up to 20 songs before unlocking $19.99 one-time unlock — no recurring charges, ever Works with your existing owned music files WHO IT'S FOR → Sound healers and frequency practitioners → Meditators and breathwork enthusiasts → Anyone curious about Solfeggio frequencies → Musicians exploring alternate tuning systems → People who want their music to feel different — not just sound different WHY 528 Hz? 528 Hz sits within the ancient Solfeggio scale — a set of tones used in sacred music across cultures for centuries. Modern researchers and sound practitioners have associated this frequency with feelings of clarity, calm, and coherence. Whether you approach it scientifically or intuitively, the experience speaks for itself. Try it with music you already know by heart. You may be surprised. FREE TO TRY. YOURS TO KEEP. Retune your first 20 songs completely free. When you're ready, a single $19.99 purchase unlocks unlimited listening — forever. No subscription. No renewal. No fine print.

Your music. On your devices. Beautifully. aud-io is a local-first music player for the music you actually own, with the option of adding your Apple Music library alongside it. Two libraries, one beautiful app, never merged and never overwritten. EVERYONE ELSE MAKES YOU CHOOSE Local players cannot touch Apple Music. Apple Music players cannot touch your files. aud-io does both, and keeps a hard line between them, so your collection stays exactly as you built it. MEET THE SHELF Cover Flow, rebuilt. Scroll through your own artwork, from your own files, and tap to play. Browse by artist, album, song, playlist or genre when you know what you want, and use The Shelf when you do not. BRING YOUR LIBRARY IN, YOUR WAY Import from Files, share or AirDrop from anywhere, watch a folder, open a ZIP, or send your library straight from your Mac over local Wi-Fi. Peer to peer, device to device, no cloud in between. aud-io reads your existing metadata and artwork. FLAC, ALAC, M4A, MP3, AAC, WAV, AIFF, Opus, Ogg Vorbis and CAF. BUILT FOR PEOPLE WHO LISTEN CAREFULLY The free player handles your whole library, in every format, at up to 256 kbps. Pro removes the ceiling: every file at its native resolution, bit-perfect to your DAC, with automatic source rate matching, true gapless, crossfade, a 10-band EQ and EBU R128 loudness normalisation. EVERYWHERE YOU ACTUALLY LISTEN iPhone and iPad, with a native Mac app available separately. Apple Watch as a remote. CarPlay for your library and playlists on the road. AirPlay to your speakers. Home screen widgets for Now Playing, Recently Added and The Shelf. Use aud-io on iPhone as a remote for the Mac from anywhere in the house. BRING IN A WHOLE COLLECTION Import CDs. Connect a NAS. Point aud-io at the library you already have, wherever it lives, without running server software. DISCOVER MORE IN THE MUSIC YOU ALREADY HAVE Find deep cuts. Surface recently added music. Group by genre. Build mixes from the files on your device, generated on your device. OPTIONAL, AND ONLY IF YOU WANT IT Add your own Google Gemini key and aud-io can curate mixes, suggest radio-style listening and enrich music details. The key lives in your device Keychain. Your audio is never uploaded. Without a key, it is simply off. Apple Music, if you connect it, uses your own subscription through Apple's system permission. NO ACCOUNT. NO SUBSCRIPTION. The free player is a capable local music player. One Pro purchase unlocks advanced listening. There is no recurring fee, and there never will be. Pro on iPhone and iPad is a separate purchase from Pro on Mac. Works fully offline. No aud-io server. No third-party analytics or advertising SDKs. Made in Sydney by DIGITAL x DESIGN, for people who still care about their music library.