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Music

Coastline - Audio Effect

Aqeel Aadam

5.0010 ratings

Atmosphere machine. Texture generator. Harmonic workstation. A dual-engine audio sustainer with intermodulation, advanced filtering, support for custom samples, and more – all in the service of adding depth and character to your music.

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Source: Apple public App Store page · Publicly visible items only · Checked Aug 5, 2026

About Coastline - Audio EffectStorefront description supplied by Apple.

Atmosphere machine. Texture generator. Harmonic workstation. A dual-engine audio sustainer with intermodulation, advanced filtering, support for custom samples, and more – all in the service of adding depth and character to your music.

Coastline uses a combination of additive and granular synthesis to stretch sounds infinitely. It creates complementary ambience for any sound or composition. It brings a textural “je ne sais quoi” that makes your tracks stand out and feel more alive.

Move as quickly as you want: slap it on a track for instant atmosphere, or use it as the recording and processing hub of entire compositions. All recordings happen immediately and automatically – set one volume threshold, and sit back.

ENGINES AND EFFECTS

• Tide – an additive synthesizer for reimagining sound. Control which frequencies of the input are mapped to oscillators, rebalance them to highlight harmonic or inharmonic characteristics, and introduce new frequencies with waveshaping.

• Glade – a granular synthesizer that stretches sound forever with no clicks or transients. Balance the original timbre of your sound against Tide’s distillation of it.

• Audio Matrix – route any channel in Coastline to intermodulate another. Create unique harmonic distortions, or load samples to introduce a completely new texture. Includes built-in field samples for naturalistic textures.

• Filter – a multi-mode filter for all audio in Coastline, featuring feedback modulation, stereo spread, and independent per-channel controls.

• Reverb – a downsampling reverb with a highly configurable chorus section for blending the results of Coastline and introducing another layer of texture and modulation.

FEATURES

• Modulation – modify any control in Coastline with multiple LFOs, sequencers, smooth random sources, and performance effects.

• Presets – full preset control over every parameter in Coastline. Cross-platform preset format for sharing with friends.

• Waymaker – connect to Coastline’s sibling application, Waymaker, for sequencing and additional control over the pitch of Coastline’s output.

Also available for macOS and Windows in VST3 / AU / AAX formats from Aqeel Aadam Sound.

Frequently asked questions

Quick answers based on the latest observed App Store data.

How much does Coastline - Audio Effect cost in United States?

The latest observed download price is $14.99. Open the official App Store link to confirm the current checkout price.

Does Coastline - Audio Effect have in-app purchases?

Apple's public page currently shows 0 purchase items in this storefront. The public list may be incomplete.

Can the price differ by country?

Yes. App Store prices can vary by storefront, currency, taxes, and developer pricing. We currently have 3 regional observations.