S-2

12-voice polysynth

Free · Designed for iPad. Not verified for macOS.

New in 2.0: output meters and a one-tap master compressor, all 41 engines loudness-matched, hardware knob pickup modes, and a layout that fits any screen. s-2 is a polyphonic synthesizer designed to work with the Roland AIRA Compact S-1. ENGINE Each voice runs two parallel engine slots that mix together. Pick a sound flavor per slot, including: • Classic analog — saw, square, sub, noise, pulse-width • Wavetable • FM • Speech • Chord • Plucked string FILTER AND FX Classic mode runs a vintage-style ladder filter into a simple Delay → Chorus → Reverb chain. Modern mode swaps in a multi-mode SVF (LP / BP / HP) followed by a 3-slot Advanced FX rack with Bitcrusher, Drive, Flanger, Phaser, Auto-Filter, Tape Delay, Plate Reverb and Chorus. MODULATION Two free-routing LFOs (sine / triangle / saw / square / random / noise, with optional clock-sync), a dedicated filter envelope with two destination slots, and a unified mod matrix dialog that visualizes every routing in one place. Click any knob in Learn mode to assign — no digging through menus. FORMATS • Standalone for iOS • Audio Unit (AU) for Logic Pro and other AU hosts • AUv3 plugin for iPad / iPhone in AUM, GarageBand, Cubasis and more - s-2 is an independent third-party application. It is not affiliated with, sponsored by, or endorsed by Roland Corporation. "Roland", "AIRA", "AIRA Compact", and "S-1" are trademarks of Roland Corporation, used here only to describe MIDI compatibility between this app and that hardware.

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NEW - OUT panel: output meter, gain-reduction meter and a master compressor. - Four new effects in the Extended rack: - Trance Gate - Ring Mod - Comb Resonator - Reverse Delay. - See your sound - The LFO draws its real output as it runs, - The Voice panel has a SCOPE tab with a waveform and spectrum - The envelopes show a dot riding the curve as each note plays. - Tap tempo: double-tap the BPM dial and tap along, or type a number. - Knob pickup for hardware: choose Jump, Catch or Glide. - Tempo sync updated - Signal Flow page - Save your own presets, and delete the ones you don't want, from the preset menu. SOUND - All 41 engines are level-matched. - Envelope knobs are far more precise at short times - Sampled instruments (Grand Piano, Violin, Alto Sax) retouched - Factory patches rebalanced - Reverb pre-delay works as intended INTERFACE - Redesigned dials: clean rings - Unusable dials disabled - Tap any routing label to see which knob it drives. - More smoothness in animations

Version 2.1.1

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

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    Information

    Provider
    • Mathias Kirkerød
    Size
    • 17.8 MB
    Category
    • Music
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    Age Rating
    4+
    Copyright
    • © 2026 Mathias Kirkerod
  • Developer Website
  • Privacy Policy

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