Comparison

SpectrumGen vs Quarked

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Draw sound spectrum in real-time
  • Export to WAV format
  • Eight predefined timbres
  • Adjustable octaves (2-8)
  • MIDI keyboard support
  • Audiobus and IAA compatible
Features
Read full description

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.

About

Quarked

Features
Read full description

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

SpectrumGen1 screens
Quarked4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

SpectrumGen costs $0.99 and Quarked $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
SpectrumGen versus Quarked: the parameters behind the verdict, then further details
ParameterSpectrumGenQuarked
Price$0.99 — better$14.99
Rating4.4 (10 ratings) — better—
Positive reviews73.7% of reviews—
Number of ratings10 — better—
Update frequencyEvery 14 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size3 MB23 MB
Age rating4+4+
DeveloperAlexander ZolotovSyam Anand

In-app purchases

None

SpectrumGen

No in-app purchases

None

Quarked

No in-app purchases

Questions

Is SpectrumGen free?
SpectrumGen costs $0.99, with no in-app purchases.
Is Quarked free?
Quarked costs $14.99, with no in-app purchases.
Do SpectrumGen or Quarked have ads?
Neither SpectrumGen nor Quarked shows ads.
Which is updated more often, SpectrumGen or Quarked?
SpectrumGen ships an update every 14 months, and Quarked every 8 days. Most recently, SpectrumGen was updated on September 17, 2026 and Quarked on September 22, 2026.

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