Best Spectre alternatives: apps like Spectre

7+ similar apps compared and reviewed

3.9 avg rating
1 free apps
Updated November 2026

Spectre is great, but it's not the only option. Explore 7+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Spectre

FET Acoustic Compressor#2

FET Acoustic Compressor by Shelbybark LLC

Studio FET Compressor & Plugin
Strong Contender
🎵 Music
5.0(2 ratings)
$5.99
FET Acoustic Compressor screenshot 1

This app emulates the warm, musical character of classic FET compressors for acoustic instruments and more. It offers intuitive controls for punch, presence, and glue, with a special "All-In" mode for aggressive sounds. Designed for mobile studios and live performance.

More apps like Spectre

4
Generator
Generator
Generator
Audio Signal Generator
$8.99

Generate professional-grade audio signals like sine waves, square waves, and various noise types. Offers precise frequency control and remote operation via WiFi. Ideal for audio testing and production.

Sine, square, white noise, and pink noise generationPrecise frequency control (20Hz-20kHz)Octave, 1/3 octave, and fine frequency resolution
🎵 Music
(3)
paid
5
S-Modular
S-Modular
S-Modular
Semi Modular Synth
$2.99

This semi-modular synthesizer app for iPad offers a hands-on sound design experience with a single-screen interface for intuitive patching. It delivers a warm, vintage sound inspired by 1970s synthesizers, featuring dual oscillators, resonant filters, and multiple modulation sources.

Single-screen interfaceFast, hands-on patchingVintage 1970s synth sound
🎵 Music
(11)
paid
6
pocketOscilloscope
pocketOscilloscope
pocketOscilloscope
Portable Waveform Viewer
$0.99

Visualize audio waveforms on your Mac, PC, or iOS device. This tool offers detailed controls for RMS/Peak metering, voltage, gain, and visual elements like line thickness and rotation. Customize channel colors for a personalized audio analysis experience.

Stereo capable oscilloscopeRMS/Peak meterControllable Vertical/Horizontal Offset
🎵 Music
(5)
paid
7
Visual Reverb AUv3 Plugin
Visual Reverb AUv3 Plugin
Visual Reverb AUv3 Plugin
Reverb, 4 Band EQ & Analyser
$7.99

This professional audio effect plugin offers studio-quality plate reverb with multi-band EQ and real-time spectrum analysis. It allows for precise control over reverb trails, including ducking and tempo-synced pre-delay, enhancing vocal clarity and creating unique tape-like effects.

Studio quality plate reverbMulti-band EQ with parametric filtersReal-time spectrum analyzer
🎵 Music
(1)
paid