SpectrumGen vs Quarked
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpectrumGen
Create unique sounds by drawing their spectral representation. This synthesizer offers real-time sound generation and export options, with customizable octaves and MIDI support for enhanced musical expression.
- Draw sound spectrum in real-time
- Export to WAV format
- Eight predefined timbres
- Adjustable octaves (2-8)
- MIDI keyboard support
- Audiobus and IAA compatible
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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.
Quarked
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Quarked is a high-performance granular synthesizer designed for precision sound design. Built around a native C-based audio engine, it prioritizes low-latency manipulation and a functional workflow that stays out of your way. Capture audio directly via the integrated tape-style recorder or import existing samples to begin deconstructing them. Quarked treats sound as a physical material, allowing you to zoom, slice, and re-texture with tactile, high-precision controls. The Engine: Granular Core: Independent control over grain size, density, position, and scan speed. Performance First: A native audio backend ensures smooth parameter interpolation without artifacts. Note-Level ADSR: Professional-grade envelope shaping with exponential curves for natural release. The Workflow Precision Ruler: Navigate waveforms with high-resolution sliders designed for micro-adjustments. Technical Aesthetic: A flat, distraction-free interface inspired by modern studio hardware. Dynamic FX Chain: A reorderable signal path featuring Delay, Reverb, Shimmer, and a 3-band technical EQ. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: SpectrumGen at $0.99 against Quarked's $14.99. Quarked's advantage is update cadence (every 8 days vs every 14 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
SpectrumGen costs $0.99 and Quarked $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SpectrumGen ships an update every 14 months, Quarked every 8 days. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.
| Parameter | SpectrumGen | Quarked |
|---|---|---|
| Price | $0.99 — better | $14.99 |
| Rating | 4.4 (10 ratings) — better | — |
| Positive reviews | 73.7% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 14 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 3 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Zolotov | Syam Anand |
In-app purchases
SpectrumGen
No in-app purchases
Quarked
No in-app purchases









