# 集中852

> 集中852 (iPhone/iPad app by Ryota Koda.)

- Source: https://appshunter.io/ios/app/852/id6751219410 (this page in markdown: same URL + `.md`)
- Developer: [Ryota Koda](https://appshunter.io/developer/1834053321)
- Category: Lifestyle, Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 18.5 · 1 MB
- Languages: American English
- Released: 2025-08-19
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/852/id6751219410/reviews.md

## What is 集中852?

Focus852 – 音の力で、心を静める

Focus852は、ソルフェジオ周波数・脳波同調サウンド・ノイズサウンドを再生し、瞑想・休憩・学習・睡眠など多様なシーンで活用できる音響アプリです。

174Hz〜963Hzのソルフェジオ周波数

デルタ〜ガンマまでの脳波帯域サウンド

ホワイト/ピンク/ブラウンノイズ

シンプルな再生ボタンとタイマー機能

グラデーション背景と波形アニメーション

心を落ち着けたい時、集中したい時、安らぎたい時。
あなたの日常に、静かな音の空間をお届けします。

※医療的な効果を保証するものではありません。リラクゼーション目的でご利用ください。


## Version history (last 1 release)

### 1.0 — 2025-08-19

No release notes.

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## More apps by Ryota Koda

- [オサライ｜「なんとなく覚えた」をなくすAI搭載学習アプリ](https://appshunter.io/ios/app/ai/id6753962775)
- [Dear Past Me](https://appshunter.io/ios/app/dear-past-me/id6757840335)
- [DemoMe](https://appshunter.io/ios/app/demome/id6759180815)

All apps by Ryota Koda: https://appshunter.io/developer/1834053321

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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 2026-05-19.*