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Screenshots

  • JP-SQUARE - synthesizer screenshot 1
  • JP-SQUARE - synthesizer screenshot 2
  • JP-SQUARE - synthesizer screenshot 3
  • JP-SQUARE - synthesizer screenshot 4

About JP-SQUARE - synthesizer

An iPhone app that recreates the legendary analog polyphonic synthesizer. [Key Features] 8 Analog Synth Voices: JP-Brass / JP-Strings / JP-Warm Pad / JP-Choir / JP-Saw Lead / JP-Square / JP-Bass / JP-Bell Authentic VCF Control: Manipulate Cutoff, Resonance, and ENV in real time. Shape your sound freely by sweeping the filter. ADSR Envelope: Intuitively control Attack, Decay, Sustain, and Release via sliders. Arpeggiator: 5 patterns (Up, Down, U&D, As Play, Random) with adjustable BPM and octave range. Split Mode: Split the keyboard into two zones to play two different sounds simultaneously. Solo Mode: Monophonic operation tailored for searing lead lines and solo play. Reverb & Chorus: Add depth and space to your sound with built-in spatial effects. Pitch Lever: Perform expressively with real-time pitch bends. LFO / VCO Control: Create rich, evolving textures with modulation. [Recommended For] Fans of iconic '80s synth sounds. Music producers and DTM creators. Anyone looking to enjoy synthesis on the go. Those who love the signature "JP voice" sound. *This app contains ads. *Using headphones or external speakers is highly recommended for the best sound experience.

What’s new

Version 1.3.3 · Updated August 31, 2026

Minor bug fixes.

App privacy

The developer, Kouki Yoshimoto, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to JP-SQUARE - synthesizer

Looking for apps like JP-SQUARE - synthesizer? Here are 6 similar apps on the App Store. The highest rated is LuSID Synthesizer (5.0/5), and all 6 are free to download.

JP-SQUARE - synthesizer vs. alternatives
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JP-SQUARE - synthesizer 1.0 / 5 (1 rating) Free August 31, 2026
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