Looking for a SoundSource alternative? How to choose in 2026

Rogue Amoeba's SoundSource is the most mature per-app audio tool on macOS. It's also $50 perpetual, comes with a UI clearly designed for studio engineers, and bundles features (per-app EQ, advanced effect plugins) most people will never use.

If you've landed here, you probably want one of three things SoundSource also does: per-app volume, per-app device routing, or simple ducking. Here's how the alternatives stack up.

The honest field

BackgroundMusic (free, open source)

Per-app volume, mute, and a built-in pause-music-on-call feature. No EQ, no routing. The project's update cadence has been spotty since 2023 and the install asks you to enable a virtual audio driver, which spooks a lot of people on Apple Silicon.

Pick BackgroundMusic if: you want exactly per-app volume and nothing else, and you don't mind 5–10 minutes of install fiddling.

mactooloud ($4.99/mo, $39/yr, or $90 lifetime for one Mac)

What we built. Per-app volume sliders in the menu bar, auto-duck on calls, Mystery Sound Finder, per-app device routing, Whisper Mode, profiles. No kernel extension. Subscribe cheaply, or pay once for a lifetime licence.

Pick mactooloud if: you want a per-app mixer that just works, you want auto-duck without configuring an audio graph, and you'd like the choice of subscribing or paying once.

Loopback ($99, also Rogue Amoeba)

Virtual audio cables — for routing audio between apps. Used by podcasters and streamers who need to send specific source audio into OBS, Logic, or recording software. Not really a "volume mixer" — it's a routing matrix.

Pick Loopback if: you're producing audio professionally and need to multiplex sources into recording software.

Audio Hijack ($79, also Rogue Amoeba)

Record any app's audio. Not really an alternative for live mixing, but worth knowing about — many people who think they want SoundSource actually want Audio Hijack.

Feature-by-feature

• Per-app volume — all four cover this.
• Per-app EQ — SoundSource only.
• Auto-duck on calls — SoundSource and mactooloud (BackgroundMusic has pause-on-call, not ducking).
• Mystery sound finder — mactooloud only.
• No virtual driver / kernel extension — mactooloud only (Sonoma's per-process API).
• Perpetual license — SoundSource, Loopback, Audio Hijack. mactooloud is subscription-only.
• Best for streamers / podcasters — Loopback (with Audio Hijack for recording).

When SoundSource is still the right call

Be honest with yourself. If you want per-app EQ — say, to push 200Hz down on a video conferencing app that always sounds muddy — SoundSource is still the only mainstream tool that does it. The Rogue Amoeba effects ecosystem (AUv3 plugins, magic-boost, etc.) is mature and worth the price for people who'll use it.

Also: SoundSource's perpetual license means one payment and you own it. If you're allergic to subscriptions, that matters.

When the alternatives win

Most people aren't audio engineers. They want their music to duck when Zoom rings, a slider to turn Slack down without muting it, and the ability to find which tab is making noise. For that median use case, SoundSource is overkill and overpriced — and the lighter alternatives are a better fit.