Best Delay Line alternatives: apps like Delay Line

9+ similar apps compared and reviewed

4.6 avg rating
1 free apps
Updated November 2026
Delay Line
Delay Line
Callback Audio, LLC

Delay Line is great, but it's not the only option. Explore 9+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Delay Line

5.0(2 ratings)
Free
Harmony Orbit screenshot 1
Harmony Orbit screenshot 2
Harmony Orbit screenshot 3

This app provides detailed analytics to track your progress and identify areas for improvement. It also includes motivational awards to keep users engaged and encouraged.

P422 Fairuz#2

P422 Fairuz by Pulsar Modular

4-Band Op-Amp Parametric EQ
Strong Contender
🎵 Music
5.0(1 ratings)
$19.99
P422 Fairuz screenshot 1
P422 Fairuz screenshot 2
P422 Fairuz screenshot 3

This app offers a powerful four-band parametric equalizer with selectable curves and proportional Q for precise sound shaping. It emulates classic op-amp circuits, adding harmonic density and character, with features like a sub-bass circuit and input transformer control.

KQ Unotone 26#3

KQ Unotone 26 by Ryouta Kira

Small Synthesizer
Worth Considering
🎵 Music
5.0(1 ratings)
$5.99
KQ Unotone 26 screenshot 1
KQ Unotone 26 screenshot 2
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This compact synthesizer app offers four distinct synth models for creating lo-fi textures and experimental sounds. It functions as a standalone instrument or an Audio Unit v3, usable as either an instrument or an effect.

More apps like Delay Line

4
MESA Synth AUv3
MESA Synth AUv3
MESA Synth AUv3
A wavetable synth you can see.
$8.99

This music creation tool transforms visuals into sound by rendering shaders and images into wavetables. It offers a powerful synthesis engine, extensive sound-shaping capabilities, and a full effects rack, all controllable through light and visual input.

Visual-to-audio wavetable synthesisUnison oscillator stack with sub-oscillatorZero-delay-feedback filter
🎵 Music
(2)
paid
5
Gravity Machine
Gravity Machine
Gravity Machine
Generative touch instrument
$9.99

Create music by manipulating a miniature solar system. Fling orbs that bounce off walls, generating notes based on physics and chosen scales. Customize worlds, sounds, and tunings for unique generative compositions.

Generative music creationPhysics-based orb interactionsCustomizable scales and tunings
🎵 Music
(1)
paid
6
Harmonitron
Harmonitron
Harmonitron
Harmonic tremolo effect
$2.99

This app creates a rich, swirling harmonic tremolo effect, distinct from standard volume pulsing. It splits sound into low and high bands, modulating them in opposite phases for a lush, phaser-like character. Apply it to various instruments or full mixes as a standalone app or AUv3 effect.

True harmonic tremolo with anti-phase modulationVoice control for morphing between classic and harmonic tremoloSplit & Tilt for band crossover and balance
🎵 Music
(2)
paid
7
KICK - Drum synthesizer
KICK - Drum synthesizer
KICK - Drum synthesizer
Analog style kick drum synth
$1.99

Create powerful analog-style kick drums with a simple interface. Quickly adjust pitch, decay, and tone for a wide range of sounds, from deep bass to punchy techno. Ideal for musicians seeking fast, effective sound design.

Classic analog kick synthesisAdjustable pitch envelope and decayTone control for click/attack
🎵 Music
(2)
paid
8
WoodnGate
WoodnGate
WoodnGate
DAW audio gate
$7.99

This audio processing tool functions as a standalone app and an AUv3 plugin for music production. It offers advanced gating features with separate open and close modes, dual side-chaining, and MIDI control for precise audio manipulation.

Standalone app and AUv3 pluginSeparate Open and Close modesDual side-chain channels
🎵 Music
(6)
paid
9
Velocity Filter
Velocity Filter
Velocity Filter
Audio Unit Plugin
$2.99

This audio unit plugin enhances synthesizer patches by making them responsive to MIDI velocity. It can function as a MIDI-controlled filter or volume control, adding natural musicality to non-velocity-sensitive sounds without altering their core tone.

MIDI velocity to volume/filter conversionMIDI-CC and aftertouch controlHigh-shelf filter modulation
🎵 Music
(7)
paid