# JDY

> JDY (iPhone/iPad app by 坤 杨.)

- Source: https://appshunter.io/ios/app/jdy/id1529869458 (this page in markdown: same URL + `.md`)
- Developer: [坤 杨](https://appshunter.io/developer/1590949449)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 30 MB
- Languages: Catalan, English, French, German, Italian, Polish, Portuguese, Chinese, Spanish
- Released: 2020-09-01
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/jdy/id1529869458/reviews.md

## What is JDY?

主要功能：
1、通过蓝牙连接测色仪，采集颜色数据，设置测色仪参数，对仪器进行校准等操作。
2、测量颜色数据，包含反射率、CIE-LABCH、三刺激值XYZ、Yxy、RGB、密度（A/T/M/E)、同色异谱、遮盖力、白度、黄度、黑底、力分、着色力、色牢度等颜色参数。
3、颜色比较，判断颜色是否合格，多种色差公式（ΔE*ab，ΔE*94，ΔE*00，ΔEcmc等）。
4、颜色存储，能够轻松的建立自己的颜色数据，并将颜色数据保存到颜色数据库中。
5、颜色查找，测量一个颜色，可以快速的在颜色数据库中间找到最接近的颜色数据。


## Version history (last 1 release)

### 2.0.2 — 2020-09-01

No release notes.

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## More apps by 坤 杨

- [ColorMeter](https://appshunter.io/ios/app/colormeter/id1502363418)
- [GlossMeter](https://appshunter.io/ios/app/glossmeter/id1597242993)
- [SK PLUS](https://appshunter.io/ios/app/sk-plus/id6444095764)
- [奶茶美肌](https://appshunter.io/ios/app/id6450360608)

All apps by 坤 杨: https://appshunter.io/developer/1590949449

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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 2026-05-14.*