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KORG iMS-20

KORG INC. · Music · United States store
NOT IN TOP 100 HERE
View on App Store ↗ Instagram card
Revenue a month, worldwide EST
$520
Likely $173 to $1.6K
New ratings
Tracking
Daily counts start building from today
Rating
4.6 of 5
226 ratings in this store
Countries it ranks in
0
was 0 on Oct 19, 2026

Revenue

Estimated from the grossing charts of Oct 26, 2026 in the 53 countries we track, and ratings growth on the App Store.

EST. REVENUE / YEAR · WORLDWIDE
$6.2K
4.2 new ratings a month on average since launch
EST. LIFETIME DOWNLOADS
7.9K to 22.6K
Estimated from ratings count
WHERE ITS USERS ARE · SHARE OF RATINGS
  • United States 226 ratings28%
  • United Kingdom 128 ratings16%
  • Japan 110 ratings14%
  • Germany 103 ratings13%
  • France 43 ratings5%
  • Canada 42 ratings5%
  • Australia 29 ratings4%
  • Italy 28 ratings3%
HOW SURE ARE WE
Not in any grossing chart, so this comes from ratings growth (4.2 new ratings a month on average since launch): revenue grows with new ratings, more slowly for apps that collect ratings fast. Tested on 418 apps with verified revenue: typically off by about 2 times, and big earners tend to come out low. Countries we don't track (and Google Play in China, which doesn't exist) aren't included, and neither are ads or web payments. Gross revenue before store fees.
RATINGS
226
AVG RATING
4.56
PRICE
$29.99
AGE
16.0y
LAST UPDATE
1555d ago
VERSION
1.7.6
SIZE
44 MB
AGE RATING
4+

Last 30 days

From our daily snapshots of every grossing chart.

DAYS IN A GROSSING CHART
0 / 30
COUNTRIES NOW
0 (was 0)
EST. REVENUE FROM CHARTS, DAILY · APP STORE ONLY EST
Show daily values
Sep 27, 2026not in a grossing chart
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Oct 26, 2026not in a grossing chart
Best rank Sep 27, 2026: not ranked. Now: not ranked. Days at zero are days outside every grossing chart.

Money and momentum

Measured from the store, not estimated.

WHAT IT CHARGES
No in-app purchases
Earns from its upfront price, ads or payments outside the store.
REVIEW MOMENTUM
0.4 reviews / week
  • Trendfalling
  • Recent reviews average4.0 stars
  • Recent 1 and 2 star share19%
From the latest 313 written reviews, covering 5830 days.
RELEASE CADENCE
0 updates in 90 days
  • Typical gap between releases112 days
From the last 17 versions listed on the App Store.
RATING BREAKDOWN
226 ratings
5★79%
4★10%
3★3%
2★2%
1★5%

What users want

From the latest 313 reviews on the United States App Store, Nov 9, 2010 to Aug 28, 2026: 19% are 1 or 2 stars. Open a theme to read what people wrote.

WHAT THEY COMPLAIN ABOUT · SHARE OF BAD REVIEWS
Crashes and freezes34%

20 of the 1 and 2 star reviews.

★★★★★ I have a 3-4 year old iPad. Please fix this bug.
★★★★★ Crashes within a second or two on iOS 8.
★★★★★ Please fix, all your apps are crashing on my iPad mini since I've updated to IOS 8.
Worse after an update31%

18 of the 1 and 2 star reviews.

★★★★★ Y'all need to update this!!
★★★★★ Needs many new things such as Link support ...
★★★★★ Gotta love a 30 dollar app that doesn't work with the new update.
Bugs, things not working22%

13 of the 1 and 2 star reviews.

★★★★★ It just doesn't work for me.
★★★★★ There used to be awesome templates and shared sessions to collaborate on, but they've disabled or broken that crucial feature.
★★★★★ Gotta love a 30 dollar app that doesn't work with the new update.
No customer support19%

11 of the 1 and 2 star reviews.

★★★★★ sounds fantastic, the ms20 is a classic, but i am really disappointed by the lack of auv3. I wouldnt of got it if i realized it didnt come with an auv3.
★★★★★ Waste of $30. This app doesn't really serve much of a purpose for serious music making.
★★★★★ Wanted to use this with my hardware ms-20 but no midi support out.
Price and subscription14%

8 of the 1 and 2 star reviews.

★★★★★ Please, Korg, you can't charge for this app and not keep up with development, otherwise it's not even a toy, let alone any professional use.
★★★★★ Save your money and look elsewhere.
★★★★★ Well worth the money for what it can do.
Wrong or poor results8%

5 of the 1 and 2 star reviews.

★★★★★ The tempo knob, is not accurate at all, and there's no way to manually put the tempo in.
★★★★★ Right now it's basically useless in my setup.
★★★★★ App is useless under new OS.
Limits, credits, locked features5%

3 of the 1 and 2 star reviews.

★★★★★ There is absolutely no technical reason why this would be limited to Channel 1.
★★★★★ This App is very limited to the types of beats you can make, only dubstep or techno.
★★★★★ This is a very limited app which will let you see what it was like owning the original analog synth.
Lost data, sync, backup5%

3 of the 1 and 2 star reviews.

★★★★★ KORG needs to understand the times when iPad was a music making gimmick are gone and most people hook up multiple MIDI devices at once via USB ports or things like iConnectMIDI.
★★★★★ Plus the worst thing, Ive already written korg about it, no response, and apple, no response, is it doesnt sync with airport.
★★★★★ At first this app was amazing but then the stiff I uploaded to soundcloud were deleted and so was my sundcloud profile but my app will only now upload songs to the deleted account which I can't get to.
WHAT THEY ASK FOR
  • I do wish it could be used as a plug in. 5★, Jul 30, 2017
  • Would love to see Korg add MIDI channel select, but apart from that, from the delicious skeuomorphic (realistic) look and feel to the sound - as demonstrated on youtube - being comparable to a real MS-20, make this app… 5★, Aug 18, 2016
  • The only thing I wish it had was the capability of using Tabletop. 4★, May 19, 2016
  • More support for the taktile would be great! 3★, Oct 31, 2015
  • Please add Jack support :) 5★, Jul 14, 2013
  • Please make it easier to dial in a specific BPM. 2★, Jun 21, 2013
  • My only gripes are that Korg needs to add standard features for modern iOS synths. 5★, Dec 19, 2012
  • The only thing I wish is if there were more pattern slots, 16 ain't enough! 4★, Sep 2, 2012
WORDS THAT KEEP COMING UP IN BAD REVIEWS
please fix9crashes when try3double tap3ios update3
WHAT THEY LOVE · SHARE OF GOOD REVIEWS
Fun, addictive13%

30 of the 4 and 5 star reviews.

★★★★★ An amazing tool - so much fun too!!
★★★★★ Great app, fun, easy to use but also in-depth enough to make something great.
★★★★★ The presets are great but the real fun comes with making your own and experimenting.
Easy to use10%

24 of the 4 and 5 star reviews.

★★★★★ This is the most practical way to get "that" sound in an affordable and user friendly way ...
★★★★★ Great app, fun, easy to use but also in-depth enough to make something great.
★★★★★ Easy to use and I'm very happy with it!
Looks great10%

23 of the 4 and 5 star reviews.

★★★★★ It's spare, retro minimalist visual interface is starkly beautiful and amazingly functional.
★★★★★ The interface is too cluttered for any sized Ipad.
★★★★★ If your familiar with analog equipment, your going to love this beautiful thing.
Worth the money9%

22 of the 4 and 5 star reviews.

★★★★★ This is the most practical way to get "that" sound in an affordable and user friendly way ...
★★★★★ People have things to say about Korgs pricing and whatnot but the fact of the matter is its worth every penny.
★★★★★ I bought it years ago at full price, and still is completely worth it.
Accurate, great results6%

14 of the 4 and 5 star reviews.

★★★★★ Would love to see Korg add MIDI channel select, but apart from that, from the delicious skeuomorphic (realistic) look and feel to the sound - as demonstrated on youtube - being comparable to a real MS-20, make this app…
★★★★★ Quality stuff here for sure but there are no shortage of great analog emulations out there right now.
★★★★★ If it was designed with the same mind-blowing quality of iMS-20, you could charge whatever you want and I'd pay it!

Found by matching words and phrases in the reviews, not read by a person. A review can count toward more than one theme.

What users say

Latest reviews, United States App Store.

★★★★★Aug 28, 2026
Rob Starr

Just plain fantastic.

★★★★★Jul 24, 2026
Please add AUv3 support

Only giving 4 stars due to the lack of AUv3 support. I love this app but you can only use it as either standalone or as a gadget in Korg Gadget. I would love to be able to use this and other korg apps inside of Cubasis or any other DAW for iOS PLEASE UPDATE SOON

★★★★★Jul 11, 2026
Needs AuV3 support!

sounds fantastic, the ms20 is a classic, but i am really disappointed by the lack of auv3. I wouldnt of got it if i realized it didnt come with an auv3.

★★★★★May 30, 2026
Electrifying Funk Machine

Dope!!!

★★★★★Jan 30, 2026
AUv3 Support Please

Nice emulation of a classic synth! Needs AUv3 support.

★★★★★May 19, 2025
No AUv3 Support

Waste of $30. This app doesn’t really serve much of a purpose for serious music making.

Store screenshots

ScreenshotScreenshotScreenshotScreenshotScreenshot

App Store ads

Apple Search Ads this app ran in the last 90 days, from Apple's public ad repository.

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Growth research

Where this app is buying and earning its users. Each link opens pre filtered.

ASO keywords

Most repeated terms in the listing. Highlighted ones also appear in the title.

soundcloud9analog8analog sequencer8drum machine8types7korg6drum6sequencer5machine5pad5part5mixer5unit5song5effect5part drum5song pattern5pass filter5songs4step4pattern4analog synth3complete recreation3kaoss pad3

What's new in 1.7.6

Improved app stability.

Released Nov 9, 2010. Current version shipped Jul 25, 2022.

Store description

iMS-20 is an analog synth studio; a complete recreation of the Korg MS-20 synth, an analog sequencer, a drum machine, and even Korg's Kaoss Pad technology. Plus, you can share your songs online via the SoundCloud! iMS-20 is a complete music production app for iPad. It consists of a complete recreation of the legendary Korg MS-20 analog synth with the patching capability, plus a 16-step analog sequencer based on the Korg SQ-10, a six-part drum machine which can create drum parts by simply tapping the buttons, and a seven-channel mixer with 14 types of effects. In addition, iMS-20 offers dual Kaoss Pads allowing you to generate music by simply stroking the pad and moving your fingers over it. Experiment to come up with wild musical phrase! And with access to the SoundCloud audio platform*, you can publish your songs, or collaborate on ideas with people anywhere in the world from within the app! [Specifications] Components: • MS-20 monophonic synthesizer : 1 unit • Analog sequencer : 1 unit • 6-part drum machine : 1 unit • Mixer : 1 unit • Song/Pattern composer : 1 unit MS-20 monophonic synthesizer: • Analog modeling synthesizer (MS-20 modeled by “CMT” Component Modeling Technology) • 2VCO / 2VCF / 1VCA / 2EG / Patch Panel • Additional functions : Modulation Key/Tempo Sync • Insert effect (selectable from 14 effect types as below) Analog sequencer: • 16-step analog sequencer • Control notes, volume, pan, parameters, and voltages via knobs • Configurable steps (1-16) and sequence mode (6 types) • Trigger out per channel or step position 6-part drum machine: • 6-part/16-step drum machine • Create sounds by sampling a single note from a built-in MS-20 • Controllable notes, volume and pan by knobs • Configurable steps (1-16) and sequence mode (6 types) per a part Mixer: • 7-channel mixer • Double needle meter indicates VU level • Master effect (selectable from 14 effect types as below) Song/Pattern composer: • Compose a song or select a pattern, built-in mixer • 16 patterns and 256 bars per a song • Tempo setting (20-300 BPM) and Swing function Effect type: • 14 types : Short Delay, BPM Sync Delay, Reverb 1, Reverb 2, Chorus/Flanger, Equalizer, Compressor, Tube Simulator (Valve Force), Low-Pass Filter, High-Pass Filter, Band-Pass Filter, Talking Modulator, Decimator, Grain Shifter Controllers: • Keyboard : Variable width (22, 26, or 29 keys) • Kaoss Pad : 2 units - Performance pad : Key/Scale (31 types) settings - Parameter control pad : X-Y axis parameter settings Other: • Audio export function (Bouncing a song or pattern, and Real-time recording a performance: 16-bit/44.1 kHz stereo WAV format) • Publish and share songs online with the SoundCloud audio platform • Various template patterns by music genre are included • Various template sounds by sound category are included * You will need to register for a SoundCloud account in order to use SoundCloud. Also, when using SoundCloud, you must observe SoundCloud Ltd.'s terms of use, such as the prohibition on uploading songs whose copyright is the property of a third party. For details, refer to the SoundCloud website : http://soundcloud.com Follow us on: ● Facebook : http://www.facebook.com/korg.iapps ● Twitter : http://www.twitter.com/korg_iapps

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