About this app
SpectrumGen is a spectral synthesizer with a minimalistic pixel interface. It's a bit like the PixelWave, but now you can draw the spectrum of sound! Key features: • it is possible to draw the spectrum and play it at the same time; • export to WAV; • eight predefined timbres; • changeable number of octaves (from 2 to 8); • MIDI keyboard support; • Audiobus and IAA support. Dark colors - low frequencies (bass). Bright colors - high frequencies.
Latest release
What’s New
optimization + bug fixes
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 20, 2026 · 4:16 PM $0.99
Screenshots
