Comparison

GSDSP MagicBlur vs UPISketch4

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

Head to head
About

GSDSP MagicBlur

Transform audio into lush pads, frozen textures, or spectral motion with this multi-curve spectral blur and freeze effect. Shape different parts of the spectrum with independent blur times, and explore evolving drones and unique spectral transitions.

Highlights
  • Frequency-dependent spectral blur
  • Multi-curve spectral freeze
  • Morphing and frame selection
  • Reverse morph direction
  • Envelope and pitch shifting
  • Modulation system
  • AUv3 audio effect plugin
Features
Read full description

Turn any sound into lush pads, frozen textures, or drifting spectral motion with this multi-curve spectral blur and freeze effect. Frequency-Dependent Blur MagicBlur is a multi-curve spectral blur and freeze processor designed for transforming audio into pads, overtone glissandi, reversed textures, and glitch-like movements. Apply separate blur times per frequency or frequency range, then mix, modulate, and spread them to explore anything from subtle, washed-out ambience to extreme spectral experimentation. How Spectral Blur Works Incoming audio is analyzed into fast-moving spectral frames, each representing the frequency content of a small slice of sound. Instead of playing every frame in sequence, MagicBlur lets you pick frames at defined intervals and morph smoothly toward the next one. The Blur Time sets how gradually frequencies transition — and because MagicBlur supports independent blur times per frequency, you can shape different parts of the spectrum with fine-grained control. Freeze, Reverse & Transform Disable morphing to create a spectral freeze, holding each frame until the next is selected. Reverse the morph direction, apply envelopes, or shift pitch to create evolving drones and unique spectral transitions. Combined with MagicBlur’s modulation system, these tools unlock a wide range of expressive and experimental sound design possibilities. MagicBlur is an AUv3 audio effect plugin compatible with Logic Pro, AUM, Cubasis, GarageBand and many more. A Desktop version is also available for Windows and macOS (VST3 / AU / AAX). More information here: https://gs-dsp.com/products

About

UPISketch4

Read full description

UPISketch is a composition tool that keeps the principle of “pitch versus time” of the classical score, extended in the continuous domain. It allows for freely drawing absolute pitch curves applied to existing sounds. It uses granular synthesis. It can be used to sketch musical ideas, try alternative scales (divisions of the octave), and more. It is inspired by the famous UPIC machine that was invented in 1977 by Iannis Xenakis and the CEMAMu engineers. Version 4 introduces significant changes: improved sound quality, sequence recording, and a magnetic grid feature.

Screenshots

GSDSP MagicBlur3 screens
UPISketch41 screens

Verdict

The call

The clearest difference is price: UPISketch4 at $11.99 against GSDSP MagicBlur's $29.99. 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

GSDSP MagicBlur costs $29.99 and UPISketch4 $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
GSDSP MagicBlur versus UPISketch4: the parameters behind the verdict, then further details
ParameterGSDSP MagicBlurUPISketch4
Price$29.99$11.99 — better
Rating4.9 (9 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 5 weeks—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size74 MB42 MB
Age rating4+4+
DeveloperGustav ScholdaRodolphe Bourotte

In-app purchases

None

GSDSP MagicBlur

No in-app purchases

None

UPISketch4

No in-app purchases

Questions

Is GSDSP MagicBlur free?
GSDSP MagicBlur costs $29.99, with no in-app purchases.
Is UPISketch4 free?
UPISketch4 costs $11.99, with no in-app purchases.
Do GSDSP MagicBlur or UPISketch4 have ads?
Neither GSDSP MagicBlur nor UPISketch4 shows ads.

Other comparisons