Helium AUv3 MIDI Sequencer

🇺🇸 United States
Limelight Software  | 
44
ASO score
Text
38/100
Reviews
50/100
Graphic
60/100
Other
0/100
rating
App Rating
4.7
rating
Votes
118
rating
App Age
4y 10m
rating
Last Update
Nov 30, 2025

Compare with Category Top Apps

Metrics
Current App
Category Top Average
Difference
Rating
4.68
4.56
+3%
Number of Ratings (Voted)
118
585.2K
-100%
App Age
4y 10m
8y 3m
-41%
Price
$11
$1
+1 565%
In-app Purchases Price
$0
$40
Update Frequency
71d
30d
+139%
Title Length
26
25
+4%
Subtitle Length
0
27
Description Length
2 987
2 731
+9%
Number of Screenshots
1443
1251
+15 %
Size
84MB
222MB
-62 %

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Text ASO

Title (
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Helium AUv3 MIDI Sequencer
Subtitle (
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Description (
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Helium is a lightweight AUv3 MIDI sequencer plugin designed specifically for AUM. It supports up to 16 tracks of unlimited length with the ability to direct output to 16 channels on up to 16 MIDI output ports. One of the great features is the ability to import and maintain libraries of MIDI clips using Helium's 'Media Bay'. These clips are freely available all over the internet and may contain individual chord sets, chord progressions or drum tracks. You can quickly build a song by dragging and dropping your MIDI clips from the media bay onto your timeline. You can also save your own clips directly to the media bay to create your own personal MIDI clips libraries. Long press on a clip to preview its contents using the currently selected MIDI device. Helium now ships with a library of over 7000 MIDI clips, consisting of every chord and chord progression you could ever need. Helium allows many different ways to import additional MIDI clip libraries. Simply drag and drop your ZIP collections directly to your PC/MAC web browser and they are automatically unpacked into the clips library folder. You can also drag and drop files between the Media Bay and the iOS Files app. Helium supports a sync mode called 'Remote Looping'. This was something we recently introduced into our MultiTrack Recorder plugin and is very useful for breaking down the timeline into sections.  You can define up to 12 loops which can be used to specify the locations of say the intro, verse, chorus, and outro within your song, then trigger these loops seemlessly in sync with the host tempo. Once captured, these loops can then be triggered by incoming MIDI notes. A new addition to Helium is the ability to piece together loops into songs, so you just concentrate on creating a single verse, chorus, bridge etc. and piece everything together without the headache of having to re-arrange your timeline. Features ○ 16 Tracks per instance. ○ Includes a library of over 7000 MIDI clips. ○ Assignable MIDI channel and Bus per track. ○ Full editing of CC controllers using the controller lane. ○ Independent vertical and horizontal zooming. ○ Import & Export MIDI tracks. ○ Media Bay, organize your MIDI flips libraries. ○ Clip Preview from Media Bay ○ Drag and Drop from the Media Bay directly to the timeline. ○ Drag and Drop to Files App. ○ Remote Control with Looping advanced functionality. ○ Step Recording. ○ Build in Mixer to adjust relative track levels with Mute/Solo. ○ Sync to Host. ○ Up to 16 outputs (configurable). ○ MIDI Clip Preview ○ Ghost Note Feature ○ Multi level undo and redo. ○ Song Mode ○ Multi-Take Record Please checkout the help manual for details on where to find my tutorial videos on Helium and where to download some fully featured and free MIDI clip libraries. This is not recommended to use on small iPhone screen sizes such as the SE models. You can adjust the screen scaling to suite your iPhone model by long pressing the MENU button and changing the scale.}
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Rating & Reviews

Reviews Overview
🧐 Coming Soon…
Rating
4.7
118 voters

Some Latest Reviews

Porchglider
19 Oct, 2025
1
Very disappointed that I see no way to shift a composition easily to another key… There should be a simple way to transpose all the notes together if a composer needs to
Kensington Slagger
20 Jul, 2025
4
Great midi sequencer. The only issues I have with it so far is sometimes notes get stuck, and I really wish the press/hold to audition midi sequences had a latch option since it hurts to keep holding to preview so many midi files.
Smithy_217
10 Feb, 2025
5
This app is brilliant with AUM. Thanks for the update the note bug sticking on was happening to me.
Deathrow Inmates
07 Dec, 2024
3
Update- Randomising using a scale such as mono arp, poly arp, random etc. Selecting the “random” function in the randomizing process from the menu causes the app to crash consistently. It also crashes the daw using the app. Extremely irritating bug. Bug Report Update- Hey Paul, there’s a consistent bug that causes crashes the project every time, while using randomisation functions, if you move over to “random” button(after mono arp, poly arp), the daw just vanishes away from the screen, then restart is the option. Amazing work on the recent updates but didn’t wanted helium to having this irritating and fatal bug. Do check on this. Given that Paul, his health and mental fortitude is intact, This app is literally going to change the game and the rules! No paul didn’t give it to me, bought it. Had flaws, glitches! But the way Paul is doing things, this app is just unparalleled! The thing is uneducated musicians won’t know the potential it offers, Paul developed this for the ones who knows the game! Regards!
pogi1.kenobi
18 Nov, 2024
2
Desperately needs a "Scissor tool" to be able to shorten midi events but would make 2 events out of the one, or 3 out of the same one if shortened again. Thanks
PCmidi
14 Nov, 2024
5
I find myself using midi so much now, and this well constructed app has brought a lot of possibilities together in a sensible easy to use way. I will be spending a lot of time with this and getting better results. Thank you!
Deathrow Inmates
11 Oct, 2024
5
Bug Report Update- Hey Paul, there’s a consistent bug that causes crashes the project every time, while using randomisation functions, if you move over to “random” button(after mono arp, poly arp), the daw just vanishes away from the screen, then restart is the option. Amazing work on the recent updates but didn’t wanted helium to having this irritating and fatal bug. Do check on this. Given that Paul, his health and mental fortitude is intact, This app is literally going to change the game and the rules! No paul didn’t give it to me, bought it. Had flaws, glitches! But the way Paul is doing things, this app is just unparalleled! The thing is uneducated musicians won’t know the potential it offers, Paul developed this for the ones who knows the game! Regards!
Estevanovich
08 Sep, 2024
5
I was looking for a simple enough yet deep enough MIDI sequencer to use with Loopy Pro. This one is just right for my needs… and with plenty of extra functionality under the hood if needed. I watched the two recent masterclass tutorials on YouTube from the author. They were super clear and helpful. Bravo!
PDXPNWORWA
24 Aug, 2024
5
This is a great complement to Atom sequencer whose pattern sets are similar to the remote loops in Helium but which are cumbersome to make act like Atom’s patterns. I use Helium to sequence Atom into full songs with Helium’s loops as cue points for live performance.

Other

Additional Information
Rating:
4.68
Voted: 118
App Store Link:
Price: 10.99 $
Website: -
Email: -
Privacy Policy:
Categories: Music, Photo & Video
Size: 84MB
App Age: 4 years 10 months
Release Date: Feb 17, 2021
Last Update: Nov 30, 2025
Version: 1.58
Version history
1.58
Nov 30, 2025
Fixed various potential UI issues on iOS26.1
1.57
Nov 19, 2025
1.57 200 Fixed some cosmetic rendering issues associated with iOS26.1 popover bugs.

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Version history