Mersenne is a synthesizer that combines two FM synthesis modules with a noise generator and resonator to create a bell sound. With simple operations, you can create bell sounds with complex attack sounds that are difficult to create with FM synths.

Mersenne works not only on the iPad but also on the iPhone. It also supports Audio Unit Extensions (AUv3), so you can plug in to AUv3 compatible host. For each screen size, different layouts are designed to be easy to use and intuitive.

# Synthesizer Engine
* Tone A/B: FM Synthesis
* Noise + Filter
* Resonator
* Chorus
* Delay
* Reverb

#Universal App
It is compatible with iPad and iPhone and has multiple screen layouts optimized for different screen sizes.

#Audio Unit Extensions (AUv3)
You can use this AUv3 Plug-In in a host application that supports Audio Unit Extensions (AUv3).

You can stream live audio directly to an Audiobus compatible application. See for more information.

#Ableton Link
Link is a technology that keeps devices in time over a local network. See for more information.

# MIDI input
--Core MIDI, Virtual MIDI, Inter-App Audio MIDI Input
--MIDI clock synchronization
--MIDI controller mapping

For more information:

What’s New

Version 2.5.10

Fixed an issue where a space character after a preset folder name would make the folder inaccessible.

Ratings and Reviews

4.5 out of 5
15 Ratings

15 Ratings ,

Wonderful and unique

I like how this FM+Resonator synth focuses on a particular sound. It sounds a lot like some of the instruments in a Gamelan ensemble. When combined with the arpeggiator and delay it's easy and fun to compose a sort of modern synthesized version of a Gamelan. That's mainly what I use it for, and because I have an affection for Gamelan music, this synth brings a smile to my face when working with it.

Mersenne's MIDI implementation is excellent. The controls are very functional and easy to use. The two Tone generators, the Noise generator, Resonator, drive and delay, chorus and reverb are logically laid out and instantly useable. The arpeggiator is especially powerful, letting you design your own patterns for saving and recalling. The minimalistic elegance in Mersenne's design is apparent and well suited to the sounds this synth produces. The single-mindedness of Mersenne's sound is very much a plus in this case.

Because Mersenne is so good at getting that Gamelan type sound, including different tuning systems, especially Far East tunings would be an excellent addition to this synth and would qualify it for a legitimate 5 star rating. I can manipulate the detuning, glide and other parameters to get a slightly faux eastern sound, but that's not the same as an authentic Gamelan tuning.

Overall one of the best and most enjoyable synths of 2016.

Chinchilla Wafers ,

Great sister synth to Laplace

I return to this synthesizer app, regularly, because it does what music apps are supposed to do, a unique sound with a simple interface. Laplace is my favorite of the ice works apps, but this is a great companion/expansion to Laplace, especially for the billed use, tuned percussion. I do like Laplace better for strings and plucks and keys. This one is really fun to play with a drum pad midi controller (tuned to a scale, if you like) for marimba, and bell like sounds.

Zjenji ,

Great synth!

One of my favorite iOS synths. Being able to import third party sounds, along with the included great sounds, really sets this apart from other iOS offerings. The best part of this synth, however, is how responsiveness of the developer! Bugs are squashed very quickly with timely updates. Must buy!

App Privacy

The developer, iceWorks, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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