# Red Calm

> Red Calm (iPhone/iPad app by Shenzhen Jiechenxin Technology Co., Ltd.)

- Source: https://appshunter.io/ios/app/red-calm/id6746784444 (this page in markdown: same URL + `.md`)
- Developer: [Shenzhen Jiechenxin Technology Co., Ltd](https://appshunter.io/developer/1450224562)
- Category: Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 33 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2025-06-11
- Data updated: 2026-06-01
- User reviews in markdown: https://appshunter.io/ios/app/red-calm/id6746784444/reviews.md

## What is Red Calm?

Custom light wave experiences to meet various relaxation needs:
（1）620nm Soft Warm Light | 630nm Calming Amber
（2）650nm Cozy Dusk Light | 670nm Tranquil Deep Red
（3）690nm Serene Dim Light
Even more effective when paired with sound.
32 Natural Soundscapes
A curated library of rain, ocean waves, forest ambience, and more — ideal for masking distractions and fostering calm.
Smart & Convenient Controls
Bluetooth Music Sync — connect your favorite playlists
Smart Timer — set auto-off from 30 to 240 minutes
Easy In-App Controls — adjust brightness, volume, and timer in real time


## Version history (last 5 releases)

### 1.4 — 2025-10-30

Adjust UI interface-related content

### 1.3 — 2025-09-25

Adjust UI interface-related content

### 1.2 — 2025-08-25

UI interface adjustment

### 1.1 — 2025-07-30

UI interface adjustment

### 1.0 — 2025-06-11

No release notes.

## More apps by Shenzhen Jiechenxin Technology Co., Ltd

- [XKLight](https://appshunter.io/ios/app/xklight/id1547398307)
- [C4Light](https://appshunter.io/ios/app/c4light/id1568689264)
- [M1Light](https://appshunter.io/ios/app/m1light/id1584446334)
- [MiniLight](https://appshunter.io/ios/app/minilight/id1586452597)
- [Levels Light](https://appshunter.io/ios/app/levels-light/id1590838221)
- [Light Of Music](https://appshunter.io/ios/app/light-of-music/id1626930102)

All apps by Shenzhen Jiechenxin Technology Co., Ltd: https://appshunter.io/developer/1450224562

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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 2026-06-01.*