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App Store Apps > Music > JP-SQUARE - synthesizer
JP-SQUARE - synthesizer icon

JP-SQUARE - synthesizer

by Kouki Yoshimoto · Music · Free
On the App Store since May 2026 · Data updated 2026-10-28

JP-SQUARE - synthesizer is made and published by Kouki Yoshimoto. AppBrain is an independent app data site and isn't affiliated with Kouki Yoshimoto. The app name, icon, screenshots and description belong to Kouki Yoshimoto and are shown as published on the App Store.

AppBrain's verdict

Rating on App Store
1.00
1 ratings
Last updated
August 31, 2026

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

Rankings

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Releases

Updates seen on the App Store
Version
1.3.3
Launched
May 2026

No changelog data

User feedback

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Technology

Found in the app by AppBrain
Price
Free
App size
36.9 MB
Content rating
Everyone

Technologies used by JP-SQUARE - synthesizer

About the app and developer

About JP-SQUARE - synthesizer

JP-SQUARE - synthesizer is a music app developed by Kouki Yoshimoto.

What is the rating of JP-SQUARE - synthesizer?

JP-SQUARE - synthesizer is rated 1.00 out of 5 stars, based on one rating ratings.

Is JP-SQUARE - synthesizer free?

JP-SQUARE - synthesizer is free. The app size is 36.89 MB. The latest version available is 1.3.3. The last update was on August 31, 2026.

What are the requirements for JP-SQUARE - synthesizer?

The app has a content rating of Everyone. The app has been available on the App Store since May 2026.

Developer information for Kouki Yoshimoto

Kouki Yoshimoto

Address:

Frequently asked questions about JP-SQUARE - synthesizer

Is JP-SQUARE - synthesizer free?

Yes. JP-SQUARE - synthesizer is free on the App Store.

Is JP-SQUARE - synthesizer still available?

Yes. JP-SQUARE - synthesizer is on the App Store, and the last update we saw was on August 31, 2026.

How large is JP-SQUARE - synthesizer?

JP-SQUARE - synthesizer is 36.89 MB.

Is JP-SQUARE - synthesizer suitable for children?

App Store rates the content of JP-SQUARE - synthesizer as suitable for everyone.

How do people rate JP-SQUARE - synthesizer?

JP-SQUARE - synthesizer has one rating of 1.00 stars on the App Store.

Who made JP-SQUARE - synthesizer?

JP-SQUARE - synthesizer was developed by Kouki Yoshimoto. It is listed in the music category on the App Store.

Share JP-SQUARE - synthesizer

Store listing

By Kouki Yoshimoto, from the App Store
JP-SQUARE - synthesizer Screenshot 1 of 4
JP-SQUARE - synthesizer Screenshot 2 of 4
JP-SQUARE - synthesizer Screenshot 3 of 4
JP-SQUARE - synthesizer Screenshot 4 of 4
Screenshots by Kouki Yoshimoto, from the the App Store listing
Description by Kouki Yoshimoto Written by the developer, not by AppBrain. Click to read.
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.
Official page on the App Store
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