# Pen Stroke Data

> Pen Stroke Data (iPhone/iPad app by Yujin Yano.)

- Source: https://appshunter.io/ios/app/pen-stroke-data/id6464150807 (this page in markdown: same URL + `.md`)
- Developer: [Yujin Yano](https://appshunter.io/developer/924585449)
- Category: Developer Tools
- Price: $4.99
- Age rating: 4+
- Requires: iOS 15.0 · 1 MB
- Languages: English
- Released: 2024-07-01
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/pen-stroke-data/id6464150807/reviews.md

## What is Pen Stroke Data?

DESC:
You can create a dataset of pen-stroke then export it as a json file with email. 

JSON ARRAY STRUCTURE:
[
{
timeStamp: [String] #Starts from 0:00
xCoordinates: [String]
yCoordinates: [String]
annotation: String
sampleTag: {String} #digit_digit if the character is made of only one stroke, it will be just a single digit from 0 to 9
frameWidth: String
frameHeight: String
}
...
]


## Version history (last 1 release)

### 1.0.6 — 2025-01-05

Changed the logic for creating the JSON object, so it now creates a JSON object based on each stroke.

## More apps by Yujin Yano

- [GridEvents](https://appshunter.io/ios/app/gridevents/id1491910260)
- [XLSV](https://appshunter.io/ios/app/xlsv/id1492865237)
- [Caption Creator](https://appshunter.io/ios/app/caption-creator/id1564027336)
- [Memo Paper 2](https://appshunter.io/ios/app/memo-paper-2/id1568843423)
- [Form Filler](https://appshunter.io/ios/app/form-filler/id1574722231)

All apps by Yujin Yano: https://appshunter.io/developer/924585449

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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 2026-06-10.*