Best Porthole Audio alternatives: apps like Porthole Audio

8+ similar apps compared and reviewed

4.9 avg rating
1 free apps
Updated November 2026

Porthole Audio is great, but it's not the only option. Explore 8+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Porthole Audio

Vascular - Tactile Synth#1

Vascular - Tactile Synth by Absolute Management SIA

Generative modular by touch
Editor's Choice
🎵 Music
4.9(8 ratings)
$3.99In-App Purchases
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Create electroacoustic music by visually connecting sound generators and processors on a canvas. Manipulate stereo position, control synthesis and processing, and build complex signal paths. Explore a vast array of synthesis types, effects, and controllers to craft unique sonic textures.

Undersong#3

Undersong by ian johnston

Plays along, always in key
Worth Considering
🎵 Music
5.0(14 ratings)
$9.99
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This audio effect acts like an instrument, generating synthesized notes in key based on incoming audio. Explore a vast array of sound combinations with various materials, modes, and patterns for unique ambient performances.

More apps like Porthole Audio

4
AD-202
AD-202
AD-202
by Audio Damage, Inc.
$4.99
$6.99 | 29% OFF

This app emulates a classic 1983 micro synthesizer with modern enhancements like MPE and eight-voice polyphony. It offers a rich sound engine with multiple oscillators, filters, and a comprehensive drive section for unique sonic textures. Enjoy extensive modulation options and a built-in keyboard for immediate creativity.

Eight-voice polyphonyMPE supportClassic four-pole lowpass filter
🎵 Music
(15)
paid
5
Braindance - Glitch Effects
Braindance - Glitch Effects
Braindance - Glitch Effects
Chop Audio and Remix
$4.99

This app allows real-time audio manipulation with buffer-glitch effects. Create complex rhythmic patterns, apply various audio transformations, and perform live with intuitive controls. It can be used as a standalone application or as an Audio Unit within other hosts.

Real-time buffer-glitch audio manipulationStep sequencer with Euclidean patternsMultiple audio effects (bitcrush, flanger, delay, reverb)
🎵 Music
(5)
paid
6
055U4RY
055U4RY
055U4RY
OSSUARY: horror AUv3 synth
$6.99

This app is a unique polyphonic synthesizer designed to evoke horror-themed soundscapes. It features a distinctive visual interface resembling a haunted DOS terminal with a skull motif, offering a variety of synthesis engines and effects for creating unsettling audio.

8-voice polyphonic synthesizer15 synthesis enginesTwin chaotic LFOs
🎵 Music
(29)
paid
7
VU950 FX
VU950 FX
VU950 FX
by Dariusz Chynek
$2.99

This audio effect plugin emulates classic sampler tones with 12-bit DSP. It offers sample-rate reduction, input drive, and an adjustable anti-aliasing filter to shape your sound. Perfect for adding gritty character to your music productions.

12-bit DSP modelSample-rate reductionInput drive
🎵 Music
(3)
paid
8
irio pro
irio pro
irio pro
The modular effects canvas
Free

This app offers a modular effects canvas for musicians, allowing for flexible signal chain routing with studio-grade modules. It supports various instruments and DAWs, featuring advanced amp modeling and modulation capabilities.

Modular effects canvasFree signal chain routingStudio-grade audio modules
🎵 Music
(17)
free with in-app purchases