KORG iM1

🇺🇸 United States
KORG INC.  | 
43
ASO score
Text
37/100
Reviews
50/100
Graphic
60/100
Other
0/100
rating
App Rating
4.7
rating
Votes
2.42K
rating
App Age
10y 7m
rating
Last Update
Mar 31, 2024
rating
iAP
$4.99 - 4.99

Compare with Category Top Apps

Metrics
Current App
Category Top Average
Difference
Rating
4.73
4.58
+3%
Number of Ratings (Voted)
2.4K
579.4K
-100%
App Age
10y 7m
8y 3m
+28%
Price
$30
$1
+4 444%
In-app Purchases Price
$5
$41
-88 %
Update Frequency
620d
31d
+1 886%
Title Length
8
25
-68%
Subtitle Length
16
27
-41%
Description Length
3 811
2 741
+39%
Number of Screenshots
1092
1285
-15 %
Size
200MB
218MB
-8 %

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Text ASO

Title (
Characters: 8 of 30
)
KORG iM1
Subtitle (
Characters: 16 of 30
)
90's Synthesizer
Description (
Characters: 3811 of 4000
)
A complete reproduction - and more - of the legendary M1 that defined an era. Mobile Digital Synthesizer for the iPad. ● Selected by Apple as "App Store Best of 2015" ● Ranked #1 on the App Store on Top Paid Music category in more than 20 countries! (15/5/27) Since it went on sale in 1988 the legendary M1 music workstation rapidly achieved record-breaking sales, becoming a mainstay of the music scene from the late 1980s and beyond. The common element of electronic instruments that have left their name in history is that they had a unique sound that was difficult if not impossible to replicate. Sounds such as the “M1 Piano” is instantly recognizable and have appeared on countless hit records over many years, and yet these are sounds that could only be produced by the M1. And that’s what you can now have on your iPad! ● A faithful reproduction of the original M1 Sound The PCM data provides the library of the original M1. For the hardware, we analyzed the circuit diagram of the original design, and completely replicated it in software down to the last detailed parameters. Engineers with an exhaustive knowledge of the M1 made careful adjustments in order to obtain the sound of the original unit, something that cannot be obtained simply by sampling the original sounds. ● A continued evolution of the M1 Not content with simply reproducing the original, iM1 provides further evolutionary developments. Synth parts now have the Filter Resonance that was requested at the time of the original. The effect parts, originally consisting of only two effects, have been powered-up to 18 effects. The user interface has also been refreshed with additions such as a KAOSS pad. iM1 is the ultimate version of the KORG M1. ● A gigantic library encompassing 3,300 sounds and 34 cards* In addition to all 19 of the ROM cards originally released for the M1, iM1 also covers the sounds of the M1EX which expanded the internal PCM of the M1, as well as the sounds of the T-series which appeared as an evolution of the M1. There’s also “BEST OF M1”, a selection of 100 great M1 programs. The new “Smart Sound Browser” makes it quick to find the desired sound. You can also view the sounds ranked by how often they are selected by iM1 users around the world. *with all the expansion card installed via in-app purchase ● KAOSS pad lets anybody perform iM1 features a KAOSS pad from the popular KAOSSILATOR, allowing you to perform intuitively just by touching the screen. By using the dual KAOSS pads to play phrases or adjust the sound, even people who are not accustomed to keyboard instruments or knowledgeable about synthesizers can enjoy performing the iM1. There’s also a conventional keyboard, as well as the “Smart Keyboard”, which lets you specify a scale setting and play phrases with a single finger. ● Use with KORG Gadget for song production iM1 can be used together with Gadget, the music production DAW app that won the App Store Best App of 2014 award in Japan. If both apps are installed, you can use iM1 as a sound module within Gadget, taking advantage of the program sounds in iM1 for music production. iM1 also supports Audiobus and Inter-App Audio, so it can also be used for GarageBand etc. ● Connect a MIDI keyboard and use as a sound module In addition to enjoying iM1 on its own, you can connect a USB MIDI keyboard* via a Lightning adaptor and play the iM1 as an external sound module. You can easily take along an even more powerful workstation sound module as part of your iPad-based compact mobile system. *microKEY, nanoKEY etc. ● Interchangeable with the KORG Legacy Collection and the original M1 Sounds that you create in iM1 can be sent from your iPad via iTunes to a Mac/PC. If you have the Legacy Collection M1, you can use those sounds in a DAW. More info at korg.com}
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Rating & Reviews

Reviews Overview
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Rating
4.7
2 416 voters

Some Latest Reviews

kishme2000
01 Dec, 2025
4
Thanks for bringing back this legend. Now make the Legendary IMS 20 into an AUV3
へっぽぷい
21 Nov, 2025
5
日頃からGaragebandの方でプラグインとして使わせていただいておりますが、本日から「iM1はお使いのipadでは使用できません」というメッセージが表示されてGarageband経由で開けなくなりました。 容量は不足しておらず、強制再起動等色々試してみましたが復旧しませんでした。 とても気に入っていたアプリだったのでかなり落ち込んでいます。 もうガレージバンドでは使えなくなってしまうのでしょうか。
hector justiniani
20 Oct, 2025
3
Hola compre la app porque se q es muy buena Soy tecladista de música popular desde Santa Cruz - Bolivia Le doy uso extenso es más.. es mi único instrumento en la actualidad Pero ojalá tomen en cuenta estas sugerencias MAPEO MIDI TOTAL MEJORAR EL SUSTAIN DE LOS OSCILADORES AGREGAR UN 3er CANAL DE EFECTOS MEJORAR LA INTERACCION DE LAS ENVOLVENTES Si actualizan y generan cobro adicional pagaría sin pensarlo Gracias
N. Kenworthy
17 Oct, 2025
5
I’ve deliberately ignored this due to there being no legitimate reason for the non AU compatibility - and I’m so glad I held off! I had the pleasure of owning several of these incredible keyboards in the mid to late 90’s and on, and other than the Wavestation, the 01/RW and Trinity Moss there have been very few to inspire so much from the presets alone. The M1 took several months to really get to grips with, it’s sound, the sequencer, the effects - everything about it was mind-blowing and I loved it. The feel of it, the action, everything - utterly jaw dropping. Well since this went AUv3 and dropped in price it was a no-brainer, and I’ve not had so much fun with a soft-synth since the Legacy Collection was first released. The software behind this though, including all the cards I could never afford has taken me right back - I’ve sat for hours being inspired again purely from the presets alone - I know there’s no sequencer and it could probably benefit from it, but aside from that, the faithful reproduction compared to the hardware version is like no other synth available - this is a must for anyone who’s owned the M1 and those that haven’t, because it really is the most incredible piece of musical electronics engineering bar none! The Triton LE was more inspiring than the Triton Studio, the Extreme was awesome, the Trinity Moss was a dream, and the Korg Kronos is unbelievable - but this is the Queen of them all, and to be without it now I have it again is unimaginable - the depth of programmability is phenomenal, it truly is a beautifully inspiring piece of software and I couldn’t rate it highly enough. Get it, get the cards, and enjoy, because I guarantee that no other softsynth will ever be as inspirational as this is - on almost every level it’s identical to the original in terms of sound, even better in some cases, less so in others - but nothing else touches it! I love it, so thank you Korg for making an old-timer extremely happy and blown away! It’s incredible.
Player4$4p
14 Oct, 2025
3
After a while of using it as an Audio Unit extension on GarageBand it suddenly becomes unavailable, doesn’t load or GarageBand can’t seem to find it. Although the app works by itself, it’s very frustrating since it can’t load on my GarageBand projects. The only solution is to delete GarageBand and reinstall it but it’s obviously not convenient.
MauiBuck
05 Oct, 2025
5
You know, back in my day we fell in love with the original Korg M1 — that workhorse keyboard that showed up in hit after hit: the organ riff in Robin S — “Show Me Love” (that I17 Organ2 patch) , the ubiquitous “piano-16’” lines in house tracks, Rhythm Is a Dancer by Snap! , and the lush pads and strings that haunted ballads and soundtracks alike. The original M1 defined a generation of sound.  Now, iM1 brings that legacy into your iPad or iOS device, polished and empowered. This isn’t a mere emulator — it’s a revival, a reawakening. The sonic authenticity is stunning: the same shimmer, the same metallic bite in the keys, the same depth in the pads — only now with more modern flexibility, more modulation, more routing, more control. It feels like I’ve taken that vintage M1 I once gigged with and given it a new heart, new lungs, but kept its soul intact. If you loved the sound of the original M1 — or if you’re young and chasing that classic 80’s / early 90’s vibe — iM1 feels like destiny. It’s respectful of its history, yet arms you with modern tools. It brings the best of then and now into your hands. I say this with the authority of someone who’s sat behind analog boards, multi-trackers, late nights and early mornings: iM1 is a triumph. Now, let’s go lay down a piano line worthy of those old nights — you with me?
Ms Fiona Patrick
30 Sep, 2025
5
I just linked this through my iPad and iConnectivity Mio to my Korg Prophecy synth through MIDI - now I have a Korg M1 too without having to make room in my house for one !!
Sontonja
20 Sep, 2025
2
It’s hard to believe that a great program like iM1 Can be such a pain compared to the Cork module pro and why the sounds can’t just be brought up on the iM1 is beyond me. Even just a basic GM module would be fantastic but it just seems to be such a pain to get some basic sounds
Fran-6s
08 Sep, 2025
5
Ça j’adore je suis toujours à l’attente du fameux KORG 01/W ? Il mérite quand même d'être immortalisé celui là aussi...😅😊

Other

Additional Information
Rating:
4.73
Voted: 2.42K
App Store Link:
Price: 29.99 $
Website:
Email: -
Privacy Policy:
Categories: Music, Entertainment
Size: 199MB
iAP: 4.99 - 4.99 $
App Age: 10 years 7 months
Release Date: May 15, 2015
Last Update: Mar 31, 2024
Version: 1.2.0
Version history
1.2.0
Mar 31, 2024
- iPhone is now supported. - AUv3 is now supported. You can use iM1 in other iOS music production apps. - Various other tweaks have been made to improve stability.
1.0.10
Sep 27, 2022
Fixed a problem in which once the Octave parameter of OSC 2 was changed, it could not be changed thereafter.
Version history