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AuditoryCompanion

Real-time DSP-synthesized noise, 108 ambient sounds, and immersive TTS reading — all computed on-device.

Works offline

AuditoryCompanion packs white noise, ambient mixing, and text reading into one precise audio engine — equally suited to focus sessions and relaxation.

Sound as something you design, not just play in the background
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Most white noise apps eventually converge on the same conclusion: play rain, waves, or wind, and hope it helps you focus or sleep. Auditory Companion aims further. Instead of bundling a handful of ambient samples, it treats “how sound forms an inhabitable space” as the product’s core.

So what you see is three distinct systems rather than a playlist: a noise synthesizer, a scene mixer, and a reader. You can shape your acoustic environment from several directions: a stable, emotionally flat spectrum when you need it; the layered spatial feel of a rainy night, a fireplace, or a café at other times; a frame that lets reading voice and background sound coexist when the task calls for it.

When it’s most valuable
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For long stretches of reading, writing, or deep work, “play some nature sounds” usually falls short; what’s actually useful is an adjustable soundscape. Auditory Companion fits here. Lay down a noise floor with the synthesizer, layer in event sounds and loops in the scene mixer, then let the reader speak the text aloud. The fit to your current state is much closer than simply opening a Spotify playlist.

Relaxation and pre-sleep are another common scenario. Many people want silence that isn’t actually silent: a sound that masks the outside world without demanding attention. That’s where adjustable noise and scene mixing earn their place: you’re not forced to pick between a handful of canned presets.

The real story is sound-control granularity
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Think of it as a small personal sound workstation. The synthesizer handles spectrum and texture; the scene mixer handles atmosphere and spatial feel; the reader handles content input. Each module stands on its own; together they form a complete focus system.

That’s also why it resonates with “people who need background sound.” You get to find the configuration you can actually sit with for hours, rather than accepting whatever soundfield someone else prepared.

The detail work shows up clearly: the synthesizer puts four noise colors (white, pink, brown, green) and multiple parameters directly in your hands, going well past an on/off switch. The scene mixer lets you layer hundreds of audio samples into stackable scenes instead of playing one file. The reader wraps on-device TTS, automatic background-audio ducking, and a full-screen player into a single flow.

Keeping sound and reading data on-device is practically significant
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What you read, listen to, and paste in tends to be private, especially when an app supports clipboard reading or local TTS. If that content travels to a server, the experience sours immediately. Auditory Companion keeps synthesis, mixing, and reading on-device, and that shapes whether you’ll comfortably use it as a daily tool, not just whether you’ll try it once.

If you’re looking for a sound engine that can keep you company through work, reading, downtime, and immersive listening, rather than an app measured by “how many ambient tracks,” it’s worth trying this one firsthand.

Quick Links

Head straight to the store, or read the support and privacy pages first.

Core Features

Noise synthesizer — real-time DSP synthesis of white, pink, brown, and blue noise colours.
Scene mixer — build your own soundscape recipe from 108 audio samples.
Immersive READER — local TTS reading with automatic background-audio ducking.
Fully offline audio processing — read, mix, and play without uploading any text.

Screenshots

聽覺旅伴噪音合成器
A DSP noise synthesizer with adjustable colour, brightness, and depth.
聽覺旅伴場景混音
Layer looping and event sounds into a custom ambient soundscape.
聽覺旅伴閱讀模式
Reader mode speaks text aloud with on-device TTS.
聽覺旅伴專注播放器
A full-screen player unifies the focus soundscape and text reading in one view.