# JP-SQUARE - synthesizer — アナログシンセ

> アナログシンセ (iPhone/iPad app by Kouki Yoshimoto.)

- Source: https://appshunter.io/ios/app/jp-square-synthesizer/id6768194312 (this page in markdown: same URL + `.md`)
- Developer: [Kouki Yoshimoto](https://appshunter.io/developer/1884780659)
- Category: Music
- Price: Free
- Age rating: 4+
- Requires: iOS 26.5 · 37 MB
- Languages: American English
- Released: 2026-05-12
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/jp-square-synthesizer/id6768194312/reviews.md

## What is JP?

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.


## Version history (last 5 releases)

### 1.3.3 — 2026-08-31

Minor bug fixes.

### 1.3.2 — 2026-07-19

Minor bug fixes

### 1.3.1 — 2026-07-14

iPad用広告の変更

### 1.3 — 2026-07-13

・広告表示の不具合を修正
・パフォーマンスの安定性を改善

### 1.2 — 2026-07-05

微細なバグの修正

## More apps by Kouki Yoshimoto

- [WindInstrumentTuner - 管楽器チューナー](https://appshunter.io/ios/app/windinstrumenttuner/id6760515036)
- [TryDiet](https://appshunter.io/ios/app/trydiet/id6760956967)
- [住宅ローン計算シミュレーター](https://appshunter.io/ios/app/id6761039889)
- [Bass Tuner - Bass Guitar Only](https://appshunter.io/ios/app/bass-tuner-bass-guitar-only/id6761100387)
- [Standard Metronome](https://appshunter.io/ios/app/standard-metronome/id6761403036)
- [Vocalist - 歌練習・ボーカルトミュート機能付き](https://appshunter.io/ios/app/vocalist/id6761674601)

All apps by Kouki Yoshimoto: https://appshunter.io/developer/1884780659

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*