Layr Synth Update and Overview
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Layr overview

LayR is a massively polyphonic, multi-timbral synthesizer for iOS devices, optimized for modern 64 bit CPUs and capable of delivering up to 256 voices of rich, multi-layered and textured sounds.

LayR’s primary sound components are called Performances where a Performance is a set of Instruments and each Instrument is a set of Layers and each Layer is a complete synthesizer. A performance can consist of any number of instruments each with its own MIDI channel and crossfading keyboard span. Each Instrument can consist of any number of Layers to a maximum of 128.

Each Layer has a dual oscillator that can morph with modulation between two shapes and phase states, two rich and warm state variable filters, a wave folder and a mixing section to blend oscillators and filters in any serial/parallel combination.

For modulation (frequency, amplitude and phase) there are two Low Frequency Oscillators ranging from DC to audio frequency switchable to optionally follow keyboard pitch and restart phase when a note is started. Two loopable ADSR envelopes ranging from fractions of a second to over 100 seconds, an amplitude ADSR and a random number generator with a smoothing filter. With stereo delay, reverb and EQ on the output section LayR excels at not only emulating normal analog synth sounds but also at creating massive pads and huge spacy ambient textures with extremely long evolution cycles.

Focused at keyboard players looking for a mobile synth that can be reliably used live on stage LayR is equally at home in the studio. An extensive selection of usable instrument and performance presets are included which can be loaded using MIDI bank select and program change messages in the same manner as hardware synths.

LayR sports almost unparalled and extremely flexible MIDI control. Every parameter in the synth engine can be assigned to any MIDI Control Change number and parameters spread across multiple Layers can be grouped and controlled by a single MIDI cc with assignable range and direction.

There is also an 8 track, 16 step Arpeggio Sequencer which can be used to create all sorts of exciting polyrhythmic looped patterns or even ambient generative music. Each track can have it’s own speed, playback mode and length.

On top of all that LayR has a MIDI Controller Mixer that can be used during performance to control the synth engine in real time and can also transmit MIDI cc’s from LayR’s output port to other destinations.

Full IAA, Audiobus, Audio Unit and Link compatibility means LayR can be used with all hosts and other music apps on iOS and desktop DAWs.

– Macro Control Panel: A new panel that lets you change assigned synth parameters globally across an entire performance.
– Link Assign Panel now has an extra section for assigning Layer parameters to Macro controls.
– You can now assign any MIDI controller to Instrument Volume Sliders. ( defaults to cc 7 ).
– Load Preset panel now updates it’s selection if a MIDI bank or program change is received while it’s visible.
– New option in settings: Don’t Start Voices When Volume is Zero: Prevents voices being started if Instrument or Layer volumes are zero.
– New option in settings: “Multi Out: FX Only in Stereo Output”, converts the IAA Stereo Mix output to an effects return if any of the 8 aux audio outputs are in use.
– Dials will now always show at least 1 degree of coloured arc unless their value is equal to zero.
– Increased fall time for peak hold metering in master strip.
– Updated PDF manual.

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Audiokit Synth One Free iPad Synth
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Audiokit Synth One Free iPad Synth

Created by over 100+ volunteers around the world, this app includes MIDI support (play it with a MIDI keyboard or controller), sequencer, vintage-inspired analog filters, expressive arpeggiators, warm analog delays, and, over 300+ presets to get you started. Plus, it’s completely open-source. Use the code to learn how to build your own synth app or modify the app yourself!

This synthesizer is completely free, fully functional, and ad-free. There are no IAP or anything to buy — It’s the ultimate free iPad music instrument app.

• Hybrid Analog/FM Poly Synthesizer
• Over 300+ Presets crafted by famous sound designers
• Audiobus 3 & Inter-app Audio (IAA)
• Five Oscillators (2 DCO, FM, Sub, Noise)
• 2 LFOs with over a dozen routing possibilities
• Vintage-Style 16-Step Sequencer
• Classic poly arpeggiator
• MIDI in (Control with a MIDI Keyboard or AudioBus/IAA)
• Touchable ADSR Envelopes for Amp & Filter
• FM Oscillator w/ Mod
• Mono glide and legato
• Dedicated Sine/Square -12/24 Sub Osc
• 4-Pole Vintage Low-Pass Filter
• High-Pass/Band Pass Filters
• Beautiful Costello Reverb
• Multi-tap (ping-pong) delay
• TouchPads
• Preset & Bank Import/Export & More…

BONUS: Full Source code will be released soon…

iPad Loops very own Dj Puzzle soundset preview:

On the roadmap:
• Ableton Link
• MPE Support (Play w/ a Roli Seaboard)
• AUv3 Plug-in support. Use AudioKit Synth One

Get Synth One

Synthmaster One For iPad
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Synthmaster One For iPad

SynthMaster One iOS is the mobile version of KV331 Audio’s SynthMaster One software synthesizer, which was recently voted “The Best New Synth of 2017” by MusicRadar readers.

SynthMaster One iPad is feature wise identical to the desktop version except the following:

* 16 voice polyphony (32 for the desktop version)
*. Up to 2x oversampling (4x for the desktop version)
* Comes with 500 presets (800 for the desktop version)

SynthMaster One iOS is KV331 Audio’s first full blown synth app for the iPad. It’s a powerful wavetable synth with an intuitive workflow. With its simple layout, rich wavetable/waveform content and inspiring factory presets library, designing new sounds with SynthMaster One iOS is a joy.


* 500 Factory Presets: SynthMaster One iOS comes with inspiring factory presets from a world class team of sound designers: Arksun, Aiyn Zahev, BigTone Studios, Bluffmunkey, Bulent Biyikoglu, Gercek Dorman, Dejavu Sound, Nori Ubukata, Rob Lee, Ufuk Kevser, Selcuk Ergen, The Machine, Vandalism Sound, Vorpalsound and Xenos Soundworks

* AUv3: SynthMaster One iOS supports AudioUnits V3, allowing multiple instances to run under supporting DAW apps like GarageBand, Cubasis or Beat Maker. It also supports parameter automation and full screen when running inside GarageBand.

* AirDrop: Easily share your presets over AirDrop, Mail or other iOS Applications. SynthMaster One iOS presets are interchangeable with the desktop version.

* Semi-Modular Architecture: For each SynthMaster One instance, there are 2 oscillators with 2 sub oscillators, 2 Filters, 4 ADSR Envelopes, 3 LFOs, a powerful 16 step arpeggiator/sequencer and also 11 different effects that can be inserted on to 6 FX insert slots. The sub oscillators can be connected to the oscillators in 5 different modes which let you use it as a regular sub oscillator or do complex modulations such as ring modulation, amplitude modulation, phase modulation or frequency modulation.

* 16 Step Arpeggiator/Sequencer: The arpeggiator in SynthMaster One features classic arpeggiator modes such as Up, Down, UpDown, DownUp, UpDown2, DownUp2, AsPlayed as well as Sequence, Chord and Arpeggiate modes. Each of the 16 steps of the arpeggiator has its own Velocity, Note Number, Note Length, Slide and Hold parameters.

* Wavetable Synthesis: SynthMaster One implements true wavetable synthesis which opens up new possibilities for sound design. SynthMaster One comes with a rich wavetable library and you can extend that by dragging and dropping wavetable files using the Files App (requires iOS 11+)

* Stereo Oscillators with up to 16 voices Unison: Each of the 2 oscillators in SynthMaster One have stereo output, and can have up to 16 voices “unison”. Using the “voices”, “voices mix”, “detune curve”, “detune spread”, “pan stread”, “tone spread” and “phase spread” parameters, each oscillator can generate a rich “supersaw” type sound.

* Zero Delay Feedback Filters: All of the 4 filter categories in SynthMaster One are developed using the zero delay feedback filter technology. With advanced filter parameters like input gain, drive and acid, you can get that “analog” sound from the filters!

* Rich Set of Effects: SynthMaster One features 11 different effect types: Distortion, LoFi, Ensemble, Phaser, 6 Band EQ, Compressor, Vocoder, Delay, Chorus, Tremolo, Reverb.

* Microtuning: SynthMaster One supports Scala tuning, so tuning can be set either for each preset or globally by loading from a Scala tuning file.

* Preset Browser: SynthMaster One features a comprehensive preset browser with separate search criterias for instrument type, preset attributes, music style or preset author.


* All 64-bit iPad devices
* AUv3 Audio Unit Extensions
* Note-per-channel MIDI controllers (MPE)
* Ableton Link
* Interapp Audio and AudioBus
* Bluetooth LE MIDI Controllers
* Share presets over AirDrop, Mail or other iOS applications

Get Synthmaster One for iPad

Poison 202 Adds Random Button
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Poison-202 is a professional Vintage Midi Synthesizer. Made by musicians for musicians, it is inspired by famous classic hardware synthesizers of 80’s and 90’s and has all the main sound creation blocks you can imagine: oscillators, cutoff Filters, ADSR-envelopes, ring, cross modulation, LFOs, sync, super-saw oscillator and more! Unlike many other software synthesizers at the market, which can reproduce only limited family of sounds, Poison-202 is designed to be able to reproduce almost any classic synthesizer timbre!

– supported AudioBus SDK updated to version 3.0.3;
– added “Random” button (on the Patch page of the standalone currently): now you can randomize current patch with built-in pseudo randomizer to achieve interesting unpredictable sounds;
– added support of Files.app on iOS 11 to ease access to imported/exported p202 user bank files, located in Documents folder;
– added support of iOS share sheet to ease importing and exporting of p202 user bank files from external locations;
– fixed crash on some devices with iOS 11 when locking the screen/fetching app to the background;
– fixed bug when playing patch in Solo mode, some notes sometimes could rip off without release;
– other minor improvements.

The library of 420 built-in factory presets includes famous patches that can be heard in the compositions of such electronic and rave scene music performers as The Prodigy, Chemical Brothers, Azzido Da Bass, Darude, Kraftwerk, Daft Punk and many others!

You can play it with your fingers on iPhone / iPad, or you can plug-in your favorite USB MIDI keyboard into your device using Apple’s Lightning to USB Camera Adapter and turn Poison-202 into a real synthesizer module!


• Audio Unit Extension (AUv3) support
• Audiobus support
• Inter-App Audio support
• Virtual Midi support
• can work either as standalone synth app, or as plug-in inside Cubasis, Garage Band, AUM, ModStep and other hosts
• 2 oscillators, 5 waveforms: Saw, Pulse (with adjustable Pulse Width), Sine, Triangle and Super-Saw
• one Super Saw oscillator generates 7 individual saw oscillators at the same time, with adjustable Mix and Detune parameters, reproducing famous classic analog strings and hoover sounds
• additional sub oscillator + noise generator
• 2 TVF (time variant filter) modules with Cutoff, Resonance, Keyboard tracking and ADSR envelope, 12 dB/octave
• 2 TVA (time variant amplifier) modules with ADSR envelope
• It is possible to pair two 12 dB filters to get one 24 dB/oct filter
• Pitch envelope (Attack/Decay) for each oscillator
• Ring, Sync, PW, XFM oscillator modulation
• 2 LFO modulation sources with Frequency and Fade-In parameters
• LFO’s and Delay tempo sync
• LFO cross-modulation
• 6 waveforms of LFO: Triangle, Sine, Saw, Square, Trapezoid and Random (S&H)
• 4 LFO modulation destinations: Pitch, Filter, Amplifier and PWM
• 3-band EQ for each patch
• Digital realtime effects: Distortion, Bit-Crusher, Chorus, Flanger, Delay, Panning Delay and Reverb with adjustable parameters
• Master brickwall Limiter (can be switched on/off)
• Two signal flow connection structures: Parallel and Series
• Portamento, Solo playing mode with Legato switch
• Pitch Wheel with adjustable pitch bend range
• Modulation Wheel with assignable controls
• Arpeggiator with 6 modes and 12 rhythm patterns with tempo and swing feel control
• Scale play mode when playing onscreen keyboard with over 40 different scales to select from
• Voice polyphony up to 24 (device dependent)
• Up to 300 user presets to store
• Import/Export user preset banks via iTunes File Sharing
• Scalable and movable onscreen keyboard with key velocity control and Hold button
• Show Oscillogram feature
• Midi Learn feature
• Arabic quarter-tone microtuning option

Minimum requirements:
• iPhone 4S and up
• iPad 2 and up

Get Poison 202

S-Modular Semi Modular Synth For iPad
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S-Modular is a semi modular synthesizer for your iPad. S-Modular has been designed to have everything on one screen to make patching quick and easy. Drag from one jack port to another to make a connection, tap a plugged port to change the wires color instantly.

S-Modular has a unique and vintage sound quality, reminiscent of synthesizers from the 70s, warm and rich in character.

– Audiobus 3
– IAA (Inter-App Audio)
– 2x oscillators
– 24db/oct ladder filter
– Resonant hi-pass and low-pass filter
– 2x LFO
– 4 step cv sequencer
– 4 track Mixer
– Audio and cv spliter
– 2x AHR envelope generators
– Delay

Get S-Modular


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  • iPad Loops is a music app blog dedicated to exposing the best iPad apps for iOS musicians, producers, and Djs. This is not a database of every app. It is, however, one of useful recommendations from someone with many years in music production. I try to update it on a daily basis (ok sometimes every two days) and I do my best to post useful apps only. My name is Jason Donnelly (Dj Puzzle). You might know me from my royalty free loop packs and sound design. Some of the apps that contain my loops are Retronyms AudioCopy, LP-5, iPRO.DJSAMPLER, Looptastic, and Audio Elements. My work is published by Magix Soundtrack Loops, Sample Logic, Pakotec, Loopmasters, Acoustica, Xmix, Sound Trends, and many more. Subscribe to our RSS feed below to get updated when new apps are posted.


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