# FX-SQUARE - Classic FM synthe — エレピ・ベル・リード・パッドなど8種類のプリセットを搭載

> エレピ・ベル・リード・パッドなど8種類のプリセットを搭載 (iPhone/iPad app by Kouki Yoshimoto.)

- Source: https://appshunter.io/ios/app/fx-square-classic-fm-synthe/id6763827247 (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 · 35 MB
- Languages: American English
- Released: 2026-04-28
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/fx-square-classic-fm-synthe/id6763827247/reviews.md

## What is FX?

Authentic 80s FM Synthesizer Sound on Your iPhone!

This is an authentic keyboard app that brings back the iconic 80s FM synthesizer sound right on your iPhone.

Key Features
8 FM Preset Voices: Electric Piano, Vibraphone, Crystal, Square Lead, Saw Lead, Fantasia, Synth Bass, and more.

Built-in Effects: High-quality Reverb and Chorus effects.

Full 88-Key Range: Scroll seamlessly across the entire 88-key keyboard.

Mini-Map Navigation: Easily keep track of your current pitch range.

Intuitive Controls: Enjoy rich, authentic FM sounds with a simple interface.

Bilingual Support: Available in Japanese and English.

Perfect for fans of 80s music, Pop, Fusion, City Pop, and nostalgic synth vibes!


## Version history (last 5 releases)

### 1.2.1 — 2026-07-22

・Minor bug fixes.
・Addition of English-language advertisements.

### 1.2 — 2026-07-11

・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。

### 1.1.1 — 2026-05-08

レイアウトの微調整

### 1.1 — 2026-05-07

軽微なバグ修正

### 1.0 — 2026-04-28

No release notes.

## 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 2026-08-20.*