# 上弦

> 上弦 (iPhone/iPad app by 复磐 陈.)

- Source: https://appshunter.io/ios/app/id6824558383 (this page in markdown: same URL + `.md`)
- Developer: [复磐 陈](https://appshunter.io/developer/1856425037)
- Category: Health & Fitness
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.0 · 15 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-10-20
- Data updated: 2026-10-24

## What is 上弦?

本应用仅供我个人记录与参考，不提供医疗诊断。如果你也需要，欢迎免费下载支持，更欢迎提出宝贵意见，全部功能免费使用。

把睡眠记录与醒后、白天的自我感受放在一起，慢慢了解自己的睡眠与精力变化。

上弦可读取 Apple 健康中的睡眠数据，并在你允许时读取身体数据。你也可以补充晨起、白天和重要事件记录，在近期趋势中对照查看。记录保存在你的设备上。

This app is for my personal tracking only. Windup does not provide medical diagnosis. Feel free to download and your are very welcome to have some warn feedback and suggestions. All features are completely free.

Windup brings your sleep records and personal check-ins together to help you understand changes in sleep and daytime energy. It reads sleep data from Apple Health, and optional body data with your permission. Add morning, daytime, or event notes and compare them with recent trends. Your records stay on your device.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Support the developer | $0.99 | one-time |
| Support the developer | $2.99 | one-time |
| Support the developer | $3.99 | one-time |
| Support the developer | $9.99 | one-time |
| Support the developer | $19.99 | one-time |


## Is 上弦 safe?

Not enough ratings yet to assess 上弦.

## Is 上弦 legit?

上弦 has limited verification signals. The AppsHunter Legitimacy Score for 上弦 is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 0.8.1 — 2026-10-20

No release notes.

## More apps by 复磐 陈

- [Skye: Focus & Search Assistant](https://appshunter.io/ios/app/skye-focus-and-search-assistant/id6758363678)
- [Vague Clock - Poetic Time byAI](https://appshunter.io/ios/app/vague-clock-poetic-time-byai/id6758904819)

All apps by 复磐 陈: https://appshunter.io/developer/1856425037

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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 2026-10-24.*