• Category: Music
  • Release Date:
  • Current Version: 3.02
  • Adult Rating: 4+
  • Developer: mifki Limited
  • Compatibility: Android
133 Ratings
$ 9.99

miRack App

miRack is a Eurorack-style modular synthesizer, playground, and fx. It aims to provide user experience and audio quality close to those of the real Eurorack hardware. The app comes with more than 500 modules created by third-party developers and adapted for mobile devices by miRack team. New modules are added regularly. miRack supports both audio input and output, so it can be used to build both custom audio generators and effects, and can work with Audiobus and IAA hosts. Supports Ableton Link. Supports Core MIDI, inter-app MIDI and MIDI learn to automate and control your patch when miRack is running in background. Now includes AUv3 plugin. Use multiple instances of miRack in your project with ability to record and automate changes of almost any virtual module control. Newer devices are recommended for better performance. Modules may vary greatly in CPU usage, the size of the patch your device is able run will depend on the modules used. Visit patchstorage.com/platform/mirack for inspiration and to share your patches.

miRack app screenshots

miRack app reviews

  • One of the best apps 5/5

    By midi fister
    Ironically I can't get vcv to run on my computer but this app runs amazingly. This ios version is amazing, and I can even program notes and other options directly from my digitakt with a USB to lightning cable! Please add more modules
  • Virtually NO documentation 3/5

    By Zinc7
    You can look up details on some of these modules on the web, and you’ll have to as documentation here is extremely weak. Basic stuff like, how do I save the generated output as an audio file appears to be nonexistent. Modules have a “manual” link but so far all I’ve seen there for the most part is a phrase that restates what the module is which was obvious. I’ve not found a community forum and support on the developer’s site is just an email address. If it were a free app, that’s one thing, but as a $9.95 port of VCV rack, it’s the bare minimum. And attempting to save a wav file from the sampler crashed the program and lost my patch entirely.
  • Amazing but could use some quality of life features 4/5

    By Writing comment
    It would be great to have an undo and redo button, sometimes you accidentally change something and it’s not always easy to figure out what happened. Also, can midi out be supported?
  • Muy bueno pero tiene limitaciones 4/5

    By luismarte65
    Sobre todos se cierra cuando cargo algunos samples y tiene algunos lags. No lo usaría en vivo
  • Extraordinary sound from an extraordinary app by an extraordinary developer 5/5

    By Mullet Saison
    What can I say? I think it’s extraordinary. Seriously. Modular synths are daunting (for me, at least), but the feature set, the frequency of updates, and the sheer number of basic and bizarre sounding modules makes it worth it. I’m blown away by the dedication of the developer to put so much effort and care into this.
  • Incredible Work 5/5

    By Ben Efitofadoubt
    If you thought you would never afford a eurorack system, you were wrong. I know I was! Fantastic development and a supportive community.
  • Fleece my knees & grease my bees 5/5

    By transcendentalaccidentalism
    Sometimes you don’t realize what you are missing or that you’re missing anything at all until you go looking for the variable unknown. I’ve been involved in music making of all kinds for decades - from playing the drums, guitar, bass, and synths, in bands and in the studio to running live streams of mixes made on the fly in AUM to Mixlr that incorporate frequency filtering of found sound and reappropriating recorded political addresses with beats and effects - hammering the insanity we have in the top levels of government in the US ... but when I turned to this app I realized it was a supplement for my cptsd symptoms. It helps me relax when anxiety starts approaching the dangerous threshold. There’s something about loosely controlling the arbitrary nature of these devices, which if I had the cash I would surely be engaged in the real deal since the experience is just drastically different, but for a ten spot this is doing me just fine while giving me the knowledge of what I will need when I start buying individual modules for a real rack. Thanks to the devs for this ✪✪✪✪✪
  • Very good port of vcv 5/5

    By iGeometrix
    I’m loving this so far, def my favorite modular app on iOS. Can’t wait for the auv3 update. I would really love to see the alright devices modules ported over sometime in the future (chronoblob, twrex) and some more VCF’s (maybe even the free vult stuff (slap) But all in all this is quite a lot to get going with, thank you!
  • Overwhelming modular reality 5/5

    By Oceans in space
    This is really well done and is logical and works perfect so far. It is super complex, but that is its genius and only my user errors and learning curve stand in my way. This is literally a virtual euro rack so what can you say.... thanks and wow
  • Best Experience with Pencil 5/5

    By 11Clouds
    While I love VCV, this on a 12.9 iPad Pro with Apple Pencil 2, in bed with headphones is the greatest thing ever. Developer has a great website and blog, keeping us updated with new modules and features. First review of an app and I have everything.
  • Amazingly Low CPU usage! 5/5

    By GoogleSucksIt
    Was worried about running this due to VCV being such a CPU hog on desktop. But this runs smoother on my ipad than VCV does on my super duper desktop. Its uncanny. Incredible app.
  • Really Awesome - Please Keep Updating! 3/5

    By AaronSky999
    1. Possibility to download new modules like on desktop. 2. Bug Fix: Cable disappear when trying to open on Mac. 3. Possible implementation of virtual MIDI keyboard? Thanks!
  • Another $9.99 for the iPhone version? 1/5

    By Fieltro
    I love mirack, but i feel really disappointed when i couldn't download it on my iphone, since i've already purchased on my iPad, is this a mistake?
  • Thrilled to have this! 5/5

    By Smackulus
    As a VCV Rack user I am thrilled to see this on iOS. A match made in heaven. Given the multi touch limitations for module controls, midi control is extremely important for more performance oriented work. Currently I’m running a 2018 iPad Pro with an Arturia MiniLab MKii. Things seem to be working well. It is amazing to have a giant euro rack modular running on batteries and fitting in my backpack, and saving my patches. MiRack is a dream come true. I hope MiRack will be a permanent addition to my iOS experience!
  • Another $10.00 for the iPhone version. Hmmmm. 1/5

    By AzeotropeETOH
    I think the title says it all. Not only does this app require a BS in Electrical Engineering to get *any*sense of where to start, but there is a cultish air among users who have been posting about it. I’m sure that this complaint among the users who take the time to read this review a smile; “that’s another we’ve scared off”. Guess they’ve got their BS too.
  • Universal is great 5/5

    By KrisMcKenna
  • 5 ⭐️’s +! This is a star making modular machine. 5/5

    MiRack is hands down my favorite music app on the iPad and quite possibly on any device! I don’t make such statements casually, I truly mean it. I have spent more time just smiling in satisfaction tinkering with miRack than any app I can think of. There may be a bit of a learning curve, and I admit I have hardly scratched the surface of the potential that exists here, but even random patching and accidental (mis)patching can yield some dynamic and awe inspiring sonic results. With audio in and out as well as midi and IAA, miRack can be a synth, and effects unit, a generative music device, and a magical mystery machine. Use it with AUM, and you have yourself a whole sonic universe to explore or destroy, your choice. That said, is it perfect? No. Can I overlook its file management quirks. I can. No AU? I’ll survive. When I factor what this app does and is capable of, how much it costs, and how much pleasure I have managed to eek out of it, the value is bananas. All of that said... Best money I’ve ever spent on the App Store. Period. A big round of applause and gratitude to everyone whose hard work and creativity has gone in to making this port and its underlying code a reality. 👏👏👏
  • Wow. A must-have endless musical sandbox. 5/5

    By Joleliscious
    I wanted a new synth for my iPad and came across this app. I watched some YouTube videos and thought it ‘might’ be okay. Well, I was wrong. This is my new number one app on iPad by FAR. It’s FANTASTIC and that’s an understatement. If you want to save yourself time, just get it now. Otherwise read on. I caved and bought this app finally and I have a huge regret... I didn’t buy it sooner. This app is capable of doing pretty much ANYTHING on your iPad. Learn it, love it, master it. Want to create your own complex effects module to run audio through to use with other apps? You can do that. Do you want to create a live jam setup with a midi controller to control everything exactly as you intended? You can do that. Want to create your own unique synth with the sky as the limit? You can do that too. And here’s the great thing I was worried about: it sounds FANTASTIC. It’s possible to make a lot of noise, but you can also create sounds nobody has ever heard before. Your in control to make it sound musical or harsh. It’s endlessly deep. There are super high quality unique modules included by a company called Mutable Instruments for real life euroracks that costs hundreds of dollars each. Well most of them are all included here, faithfully since the source code was released for them, and you can create as many instances as your heart desires (or the CPU allows). These modules are capable of extremely complex sounds and noises that will inspire you. I would have purchased this app for these modules ALONE yet there’s hundreds and hundreds MORE to add to them. It’s insane really. At this price, for what you get and what you can do, its an absolute steal. Just buy the thing, don’t be a fool. You need this on your iPad. And if you feel lost or overwhelmed, please don’t give up and learn how to use it. There are YouTube videos that will help you create your first patches, and once you get it, the sky is seriously the limit. PS - Thanks to the developer for bringing such a powerful monster of an app to the iPad.
  • This is *SO* awesome! 5/5

    By GadgetMojo
    I love the UI. Everything feels so organized and not chaotic at all. The wires are perfectly made not to obstruct the view, so you can clearly see the labels and controls. There’s even an option to hide them, but they haven’t bothered me yet. I stumbled upon this app through YT about a month ago, and was a bit reluctant to buy it, because I already got couple of other “wired” modular synths, and they get zero usage. Well that is so not because they have a bad sound, it’s because I don’t like their UI. This miRack has a very pleasant UI. Easy to see everything on a 10.5” iPad, zoom in to get to actual knobs... just well designed with user in mind. You can use this as an instrument, play with any controller keyboard. Or you can put it into FX slot as IAA, to process the sound in many interesting ways... One huge request for the developers though: please make a polyphonic module, Playing like 8 note would be really cool for some patches. Oh and one more request, please make the patches manual-only save. We all love to experiment, and when you do that, it’s easy to get carried away and mess your good patch, or maybe come up with something completely new that’s also good. So pressing save/“save as” can be of great help! :)
  • 500 modules $5 ! 5/5

    By Renegade Rene
    Wow I’m lost for words here ,love it!
  • Great job porting to iOS! 5/5

    By ThePro2112
    Update: The IAA and Audiobus feature has been added. The best skeuomorphic modular synth app on iOS. But is there a way to record it with inter app audio or audiobus?
  • This is so sweet 5/5

    By Mo Freeapps
    It blows the mind how vcv rack emulates these awesome modules but I’ve come to understand that the modules are just little things doing computations of their own which OF COURSE should be able to be emulated by a larger computing device then in a way [sand-boxed]?? and they were little modules, independent of the larger rack and almost sentient. It’s honestly a mind-numbing concept all together once you wrap your head around all that this represents. Here- I was stumped at how the f was I going to be able fiddle with all these awesome modules in real life...then out poops VCV but try as might, I couldn’t figure out how to DL the awesome modules. Out poops MiRack and includes 500 or so modules ! I’m like ~damn- I can go like a week without talking to my girlfriend, no PROBLEM. DANGEROUS. I gotta try to keep this one, she’s the best ever. It’s very deep is what I think I’m trying to say. Bravo!
  • Problems with latest version 3/5

    By Steve Drake
    App doesn’t play through bluetooth headphones. Old patches are just gone.
  • Awesome 5/5

    By 2nd Gear Standups
    Great way to learn modular on your iPad
  • Omg 5/5

    By Battlecakes
    Haven’t been this excited about an app in a long time. This gets me one step closer to working exclusively on the iPad.
  • Latest Update Restores Faith 5/5

    By polarpaul
    The developer has added a lot of new features and modules so hopefully all of the startup challenges will be a thing of the past. Old Review: The VCV Rack developer was able to successfully pressure the miRack developer into removing all of the original basic/fundamental modules. This has broken every patch I’ve made. Right now they’re a bunch of yellow rectangles with cables attached without any text describing which module they were. Many of the modules do not have a description. Presumably if you’re already a VCV Rack user, these modules will already be familiar. I do not feel comfortable or optimistic about this app as the dispute with the VCV Rack developer means I do not feel ethical about using their website to find out how to use modules I don’t know how to use in miRack. The miRack developer doesn’t really have much of any support information on his website. At this point I’ll just wait to see if the miRack developer is able to provide better support for the app, otherwise I feel it’s not worth my time to learn more about it. Perhaps the VCV Rack developer might pressure Apple into crippling miRack even more?
  • Wow 5/5

    By housemachine
    Just so happy about this update and app!
  • Better and Better with each Update 5/5

    By Digital Ohm
    With the latest introduction of Plateau Reverb I’m pretty happy. I wonder how far this port will be developed, which thus far seems to be moving along quite quickly! I’m seriously impressed with the speed at which the developer responds to requests and gets things implemented, with IAA it becomes possible to now process things using external plugins for some final polish. I’ve also tested out sending MIDI from Patterning 2 and that works great. I’m excited to see where this ends up, its an extremely fun app.
  • Great App! 5/5

    By anickt
    This is easily one of the best music apps on iOS. There are other “modular” apps which are OK but this is killer! Saved me getting a hardware modular!
  • Game changer 5/5

    By DJSUN1
    Love the app a lot of love has been put into this glad to support hard working devs like this thanks for porting and adding all these great new features I would have paid 3x this knowing all the functionality being added! Thanks again 🙏
  • Modular Playground on IOS! 5/5

    By Guycoolio
    MiRack is just a terrific modular experience on the IPad! For example, the Mutable Instruments clones sound fantastic and are simply a delight to mess around with. Modular synthesis can have a steep learning curve, but thanks to numerous VCV Rack tutorials on the internet you can get up to speed fairly quickly on how to make patches. I hope this app continues to receive support as it really sounds and feels like your working with real modular gear in ways other apps just can not match. Moog Model 15 is outstanding but it is not even a quarter as flexible in routing and sound design as MiRack. The control voltage routing options alone are almost limitless. Honestly, MiRack could easily be used to teach a full year course on electronic music if one desired to do so. It is that authentic and true to real modular hardware. Needs AU3 support, IAA or Audiobus like yesterday. Would love additional modules like Plateau (lush reverb) to be added. Even reasonably priced modules for purchase would be a fantastic way to always upgrade the app. As is, it is easily a 5 star app that can take you places only $10,000 worth of gear or more could take you previously. Kudos to the developers for bringing VCV Rack to IOS!
  • Removing a module? 3/5

    Can some PLEASE tell us how to remove a module?! Hello, developer, pretty please with sugar on top?!
  • A Sound Erector Set! 5/5

    By Eriptron
    Update: I missed that this app is stand alone only! That’s useless for me. I’m leaving the 5-stars, for now, because they said that they plan to add IAA or AUv3 later. —— Anyone remember the 1950s metal Erector Sets that you could make anything with if you had imagination (and enough parts)? This is the audio equivalent! I bought the app and was grumbling to myself about no documentation and everything is so small and I can’t figure out how to remove a module once put in place. Then I found the zoom! LOL And hour later (and a forgotten TV baseball game) and I’m snug, hid away, building my Erector Set Sound. (Still don’t know how to remove a module.) More fun (and more challenging) than the Moog Model 15 since miRack is an open architecture.
  • Been dreaming of this... 5/5

    By yvesbajulaz
    Been using vcv racks, and was always hoping for a touch screen version. So well made, module selection and all... Top notch product, pure awsomeness! Thx :-))
  • Great Start 4/5

    By Stevo3985
    This is a great start, however, it is missing multiple audio channel out and MIDI out. Other than that, this is pretty great so far, and I can’t wait to see where this project is going!
  • Nice start, needs more audio routing 4/5

    By mikenoface
    Update: Please add the ability to lock a module in place. I find often when I’m trying to move a knob, the module suddenly jumps to another place in the rack. Great port of VCV rack. Adding the advanced audio module from Fundamental pack that would allow inter app audio and Audiobus would make this 5 stars.
  • Whoa 5/5

    By HooDoo Spoon
    This thing is awesome. Works pretty good on my 5 year old iPad. I can’t imagine how much better it would be on a current model. Makes me want to buy an iPad Pro.
  • Seriously In Love With miRack 5/5

    By billyboyannap
    Installed n went to work.....no glitches....running on a IPad Air2. Love at first sight n first patch....
  • Awesome - if modular is your thing! 5/5

    By BDB-1958
    Almost 300 modules out of the box to experiment with. No internal documentation for the modules, but since they’re open-source we shouldn’t have much trouble looking them up online. Excellent kit value for the price!
  • The app works great! 5/5

    By Arquitrabe
    It was a long time waiting something like that for iPadOS. The touchable interface makes the experience nicer if we compare with the desktop. So happy. Thanks!
  • Amazing synth modules! 5/5

    By Dougdi
    There's a lot to get lost in here! I am flabbergasted at the wealth of synth toys here. I haven’t loaded it up yet but it’s running great on my orig iPad Pro. This is a must have synth app.
  • Looks great but how to use it??? 4/5

    By mikolitafun
    I love great and innovative music making ideas, but maybe provide some sort of guide or video tutorials on how to use this for complete beginners. I thoroughly support developers that come up with brilliant ways to create new sounds and music but never assume that everybody knows how to use your app. Please help us get started!
  • Everything I’ve been waiting for. 5/5

    By dp_hurley
    Performs great. The details were clearly thought through and the interface is nicely optimized for touch. Plenty of modules to choose from, including many of the ones I’ve already used often. Hard to believe it’s just the first release. Can’t wait to see what future updates bring!
  • Nice port of vcv rack could use some info tho 5/5

    By flux302
    Port works great, touch interaction seems to work well. Everything is running smooth on iPad air2 which is pretty old now so that’s great. I would love to see some info in the app such as cpu load, audio info such as sample rate , buffer and latency info, and audio interface options. I’ve yet to try it with my es8 for interacting with my modular yet... I REALLY hope this app will continue to be supported. I’ll be following it closely. Fluxwithit
  • Insta-Buy 5/5

    By robusto_tony
    This is a dream come true!

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