# KG-SQUARE Pro - Synthesizer — Virtual Analog Synthesizer

> Virtual Analog Synthesizer (iPhone/iPad app by Kouki Yoshimoto.)

- Source: https://appshunter.io/ios/app/kg-square-pro-synthesizer/id6811818639 (this page in markdown: same URL + `.md`)
- Developer: [Kouki Yoshimoto](https://appshunter.io/developer/1884780659)
- Category: Music
- Price: $0.49
- Age rating: 4+
- Requires: iOS 26.5 · 30 MB
- Languages: American English
- Released: 2026-09-16
- Data updated: 2026-10-15

## What is KG?

KKG-SQUARE Pro is a landscape-first virtual analog synthesizer for iPhone. Classic panel layout, cool charcoal chassis, and a sharp cyan accent—built to feel like hardware you can play anywhere.

Features

4-oscillator virtual analog engine
Filter, filter envelope, amp envelope, and LFO
Chorus, delay, and reverb with per-effect on/off and depth
Arpeggiator and step sequencer
Hold, portamento, and tempo-linked performance modes
Full-width playable keyboard with octave shift
MIDI input support
Built-in voice presets
Make bass, leads, pads, and evolving textures—fast—without leaving your phone.

## Is KG safe?

Not enough ratings yet to assess KG.

## Is KG legit?

KG-SQUARE Pro - Synthesizer appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for KG is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-09-28

Fixed minor bugs.

### 1.0 — 2026-09-17

No release notes.

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## 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 2026-10-15.*