Pick a mood
Choose a curated preset or describe a feeling in your own words — a genre, an instrument, a texture, a tempo.
On-device AI music generation
Compose your mood.
Murmur transforms presets or your own words into original instrumental loops and soundscapes — generated privately, right on your iPhone.
Coming soon to the App StoreSee how it works
Free on iPhone · For moments, focus, sleep & play
From a feeling to a sound
Compose on-device
Murmur turns your words into musical style tokens and generates an original instrumental piece directly on your phone.
Keep what you love
Play, save to your Library, turn a prompt into a reusable preset, then replay, share, or trim and fade.
Under the hood
Powered by Magenta RTGoogle's real-time music generation model, running locally.
Boosted by the Apple Neural EngineCore ML acceleration on the iPhone's ANE chip.
100% on-device & privateYour prompts and audio never leave your phone.
Describe a mood, hear it become sound.
Murmur turns your words into musical style tokens, then composes an original instrumental on-device. It responds best to descriptions of genre, instruments, rhythm, mood, tempo, and texture.
“warm dreamy synth pads with a slow pulse”
“lo-fi piano with soft vinyl crackle, no drums”
“spacious cinematic strings, slow and hopeful”
“gentle acoustic guitar fingerpicking for focus”
Converting your mood to sound…
Translating your description into musical style
170+ curated styles
Browse by category, save favorites, and create your own presets from prompts you love.
Ambient
Focus
Sleep
Cinematic
Jazz & Soul
Electronic
Acoustic
World
170+ curated styles
From Ambient and Lo-fi to Synthwave, Jazz, and Acoustic Guitar — each preset is tuned with its own sound recipe.
Describe any mood
Type a feeling, genre, or sonic texture. Murmur translates your description into musical style tokens.
Private by design
The core generation flow runs entirely on your iPhone using the Apple Neural Engine. No cloud rendering.
Your sound, replayable
Saved pieces become WAVs in your Library — rename, share, and pick up playback from the Lock Screen.
Your private collection of moments
Saved songs live in your Library with a mini player, waveform bars, and progress — with playback that continues on the Lock Screen and Dynamic Island.
Murmur Pro
Compose without limits.
Murmur is free to start — Ambient, Lo-fi, Peaceful, Synthwave and Acoustic Guitar with short previews and loops. Pro unlocks the full studio.
Coming soon- ✦All 170+ presets
- ✦Custom mood prompts
- ✦Unlimited generation length
- ✦Edit, trim & fade
- ✦Advanced controls (CFG, temperature, top-K)
- ✦Model choice: Base or Large