Best apps like SpectrumGen

7+ similar apps compared and reviewed

4.2 avg rating
1 free apps
Updated August 2026

Looking for something like SpectrumGen? We've analyzed 7+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to SpectrumGen

Sonic Synth : FM synthesizer#1

Sonic Synth : FM synthesizer by Aleksandar Mlazev

Synthesiser
Editor's Choice
🎵 Music
3.0(1 ratings)
$1.99
Sonic Synth : FM synthesizer screenshot 1
Sonic Synth : FM synthesizer screenshot 2
Sonic Synth : FM synthesizer screenshot 3

Create a wide variety of sounds with this FM synthesizer app. It features three independent oscillators, each capable of generating four unique waveforms, and offers a responsive touch keyboard for real-time performance. Enjoy high-quality audio with a 44100 Hz sample rate.

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4
Deep Synth : FM Synthesizer
Deep Synth : FM Synthesizer
Deep Synth : FM Synthesizer
Audio Unit, MIDI input support
$4.99

Create unique sounds with this FM synthesizer app. It features real-time wave manipulation, multiple sound effects, and MIDI keyboard support. Explore dynamic sound design with its intuitive interface.

Real-time wave form editingSimple envelope filterReverb and tremolo effects
🎵 Music
(2)
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5
MultiTone Generator PRO
MultiTone Generator PRO
MultiTone Generator PRO
Frequency and Signal Generator
$9.99

Generate and combine up to 16 different audio tones, including sine, rectangular, triangular, and sawtooth waves. Create frequency sweeps in both directions and play white or pink noise. This intuitive tool offers customizable ranges and sweep times for various audio testing needs.

Create up to 16 tone combinationsPlay sine, rectangular, triangular, and sawtooth wavesGenerate frequency sweeps (min-max and max-min)
🎵 Music
(99)
paid
6
strng
strng
strng
string synthesis engine
$4.99

This app generates plucked string sounds using a physical modeling synthesis engine. It offers polyphonic voices, a built-in keyboard, and MIDI control. Shape your sound with delay and resonant filters, and integrate with other music apps.

Physical modeling string synthesis16 voice polyphonyBuilt-in 25-key keyboard with aftertouch
🎵 Music
(35)
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7
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Generate Audio Frequency Waves
Free

Create pure sine wave audio tones across a wide frequency range. This tool is ideal for tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment. Easily adjust frequencies and volume, with support for AirPlay devices.

Generate sine wave tonesFrequency range 20Hz - 22,000HzInstrument tuning
🎵 Music
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ad-supported