Comparison

Factory vs miRack

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

Head to head
About

Factory

Create complex and organic sounds with a powerful modular synthesizer. Explore a vast array of synthesis types, a deep modulation matrix, and dynamic signal flow. Easily find and morph between sounds with a built-in browser and crossfader.

Highlights
  • Modular synthesis with extensive modulation matrix
  • Multiple oscillator engines and synthesis types
  • Dynamic signal flow with 3-FX chain
  • Morph crossfader for sound transformation
  • Preset browser with tagging and rating
  • Sequencers, Arpeggiator, and Quantizer
Read full description

Made for complex and organic sounds, Factory sports a big modulation matrix with all kinds of features to create a wildlife of sounds. A vast array of DSP is ready to play: Analog style oscillators and filters, but also different flavors of wavetable synthesis, Wavetable driven Waveguide resonators and a 3-FX-Chain in a dynamic signal flow. With the Morph crossfader, sounds can be changed drastically, but always musically. The Preset Browser with tags and rating makes finding sounds easy and fun. Don´t miss out on super sonic modular mayhem and check Factory today! Key Features: • Poly Synth with Mod-Matrix and Sequencers • 2x10 Oscillator Engines • Sub-Oscillator with Ringmodulation • Noise Generator with 5 colors • 8-voice VA-Sync, Wavetable, Waveguide & Fractal Synthesis • 8x10 Mod Matrix with 36 targets • Morph Fader, 2 States & Copy/Paste • Envelopes and LFOs • Sample & Hold Modul • 4x Sequencers for all kinds of Gates and CV's, incl. 36 motion curves, uni/bipolar. • Arpeggiator, Intonation engine, Scale Quantizer • 11 Filter models & 3x Multi-Effect with drag 'n' drop signal flow • Audio Unit v3 & Standalone • Virtual, Network, External & Bluetooth MIDI • Ableton Link • MIDI Learn & Host Automation • Preset iCloud Sync • Preset Share

About

miRack

This app offers a comprehensive Eurorack-style modular synthesizer environment for creating custom synths, audio/MIDI effects, and controlling other applications. It features a vast library of modules and integrates with hardware and software for flexible music production and live performance.

Highlights
  • Polyphonic Eurorack-style modular environment
  • Over 800 third-party modules
  • AUv3 plugin hosting
  • Multi-channel audio input/output
  • MIDI input/output with clock sync
  • Ableton Link support
  • iCloud patch syncing
Features
Read full description

miRack is a polyphonic Eurorack-style modular environment. It aims to provide user experience and audio quality close to those of the real Eurorack hardware. miRack can be used to build custom synthesizers, audio and MIDI effects, control other apps and equipment, as a playground to explore and learn modular synths, and for live performances. miRack is also available on macOS, including Audio Unit and VST plugins. * Comes with more than 800 modules created by third-party developers and adapted for mobile devices by miRack team. New modules are added regularly. * Includes AUv3 plugin. Can work as an instrument, audio effect or MIDI processor. Supports parameter automation to record and automate changes of almost any virtual module control. * AUv3 hosting capabilities (in-app purchase). Incorporate any AUv3 instrument, effect or MIDI effect plugins into your patches. * Controller module (in-app purchase) allows to design AUv3 user interface for your patch. * Multi-channel audio input and output (in both standalone and AUv3 modes), with full support for Expert Sleepers audio interface modules to integrate with hardware Eurorack equipment. * MIDI input and output, including MIDI clock sync, and MIDI learn function. Automate and control your patch, or control other software and hardware instruments with powerful sequencer modules. * Ableton Link support to synchronise with other music software on the same device or over network. * iCloud support to sync patches between iOS and macOS app versions. * Visit patchstorage.com/platform/mirack for inspiration and to share your patches.

Screenshots

miRack4 screens

Verdict

The call

The clearest difference is price: Factory at Free against miRack's $14.99. miRack's advantage is update cadence (weekly vs every 4 months) and device support (4 vs 1). On rating, review sentiment, ratings volume and ads 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

Factory is free to download; miRack costs $14.99 up front. Factory sells 1 one-off in-app purchase and miRack sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Factory against 4.8 for miRack. Both are backed by a comparable volume of ratings — 488 and 681 respectively. Written reviews are what separate them: 81% of Factory's written reviews are positive against 86% of miRack's.

UpkeepUpdate frequency

Factory ships an update every 4 months, miRack weekly. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.

Scorecard4 real differences · 6 level
Factory versus miRack: the parameters behind the verdict, then further details
ParameterFactorymiRack
PriceFree — better$14.99
Rating4.9 (488 ratings) — better4.8 (681 ratings)
Positive reviews81.4% of reviews85.9% of reviews — better
Number of ratings488681 — better
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPadiPhone, iPad, iPod, Mac — better
Requires iOS17.614.0 — better
Further details — not scored
Size351 MB359 MB
Age rating4+4+
DeveloperSugar Bytes GmbHMIFKI PTY LTD

Customer experience

Factory

All ratings488 ratings
Positive97.3%
Neutral1.0%
Negative1.6%
Written reviews97 reviews
Positive81.4%
Neutral5.2%
Negative13.4%

miRack

All ratings674 ratings
Positive96.4%
Neutral1.8%
Negative1.8%
Written reviews227 reviews
Positive85.9%
Neutral6.2%
Negative7.9%

User reviews

Factory

From 488 App Store ratings

What we love

  • 🚀 Powerful synth engine
  • 👍 Intuitive and easy to use interface
  • 🎨 Vast sound design capabilities
  • 💡 Innovative modulation matrix
  • 🎶 Inspiring and unique presets

Room to improve

  • 🐛 Occasional crashes and freezes
  • 🔌 Compatibility issues with other apps
  • 🖥️ Pixelated interface on high-res displays
  • 🔇 Note-sticking problems

miRack

From 681 App Store ratings

What we love

  • 🚀 Powerful modular synth capabilities
  • 👍 Intuitive touch-based interface
  • 🎨 Vast selection of modules
  • 💰 Great value for the price
  • 🔌 Seamless integration with external controllers

Room to improve

  • 🐛 Occasional crashes and stability issues
  • 📚 Lack of built-in documentation and tutorials
  • 🔀 Difficulty navigating and managing patches
  • 🔇 Missing audio recording and export features

Bugs and requests

Factory

Reported bugs

2 issues
  • Presets not loading correctly in DAW projects
  • CC assignment issues causing controls to freeze

Requested features

4 requests
  • Ability to modulate morph slider
  • Option to modulate effects parameters individually
  • Arpeggiator with retrigger on key press
  • Better integration with GarageBand and other DAWs

miRack

Reported bugs

3 issues
  • Knob controls sometimes become unresponsive
  • Saving and loading patches can be unreliable
  • Compatibility issues with older iPad models

Requested features

5 requests
  • Add polyphonic support
  • Implement undo/redo functionality
  • Integrate with popular DAWs and audio apps
  • Provide more comprehensive module library
  • Add preset management and sharing options

In-app purchases

1 purchases

Factory

One-time1
  • Factory Full Version$24.99
5 purchases

miRack

One-time5
  • Small Tip$0.99
  • Medium Tip$2.99
  • Large Tip$4.99
Show 2 more
  • AUv3 Hosting Modules$4.99
  • Controller Module$4.99

Questions

Is Factory free?
Factory is free to download, with in-app purchases available.
Is miRack free?
miRack costs $14.99, and also offers in-app purchases.
Which has better reviews, Factory or miRack?
Factory is rated higher. Factory averages 4.9 out of 5 from 488 ratings, while miRack averages 4.8 from 681 ratings.
Do Factory or miRack have ads?
Neither Factory nor miRack shows ads.
Which is updated more often, Factory or miRack?
Factory ships an update every 4 months, and miRack weekly. Most recently, Factory was updated on October 17, 2026 and miRack on October 22, 2026.

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