# DiaTouch

> View and manage WinDia, OuDIA, and OuDiaSecond diagram and timetable files. (iPhone/iPad app by Umagoro Ueda.)

- Source: https://appshunter.io/ios/app/diatouch/id583344231 (this page in markdown: same URL + `.md`)
- Developer: [Umagoro Ueda](https://appshunter.io/developer/451116266)
- Category: Navigation, Travel
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.6 · 10 MB
- Languages: English, Japanese
- Released: 2012-12-10
- Data updated: 2026-07-17
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/diatouch/id583344231/reviews.md

## What is DiaTouch?

You can see the form below.
- Timetable form
- Diagram form
- BoxDiagram form
This app can read the file format WinDia.

Other than the file that is set in the first sample, please provide user.
The following file formats are available.
- WinDia format (*. dia)
- OuDIA format (*.oud)
- OuDiaSecond format (*.oud2)

## Key features

- Timetable form view
- Diagram form view
- BoxDiagram form view
- Reads WinDia file format
- Supports OuDIA and OuDiaSecond formats

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ad area | $0.99 | one-time |


## Recent user reviews (10 of 20)

All indexed reviews: https://appshunter.io/ios/app/diatouch/id583344231/reviews.md

### 2/5 — 違う路線に切り替えることができない

*2025-06-28*

ずっとSafariで長崎本線から京王線に変えおうとしてもずっとerrorが出ます、、

### 3/5 — ［解決しました！］読み込めない

*2025-04-05*

ファイルから読み込んでも、落ちます。
自分で作ったものです。
至急かいぜんしてください。
[追記]
アップデートしたら治りました！
ありがとうございました！😊

### 3/5 — わりとよき

*2025-04-01*

使いやすいものの、折り返し時に発車順序が入れ替わる場合など、比較的複雑な運用に対応しいていないように思える。

### 5/5 — 改善されました！

*2025-03-24*

1年ほど前からOudiasecondにも対応されていましたが、自分で作成したダイヤが開けず困っておりました。今回のアプデで改善し無事開けるようになりました！
本当にありがとうございます！

### 3/5 — 早急に対応願いたい

*2025-03-19*

ファイルを読み込むとダイヤが端っこに集中して表示されダイヤグラムが閲覧できない状態。
時刻表は見れる

### 3/5 — すぐ落ちる

*2025-01-19*

アップデートされたが、まだ読み込んで何か操作すると落ちる。 Oudia secondは読み込むとすぐ落ちる。

### 1/5 — アプリが強制終了される。開けない。

*2024-10-13*

2024.10.13時点
新規にファイルを読み込んだらアプリが強制終了し、その後アプリが開けなくなりました。
早期対策をお願いします。

### 4/5 — .oud2ファイルでのダイヤ描画と時刻表ファイル不具合について

*2024-10-10*

Oudia secondへの対応非常に嬉しいのですが、
・ダイヤグラム画面に変えた際0:00に全列車が描画され全く機能していません。(列車検索機能は使用可)
・箱ダイヤにおいて、入庫と路線外発着の列車以外が反映されないようです。
・平日と土休日のように複数のダイヤを切り替えるボタンは、押下は可能ですがその先で何も選択できないようになっています。

画面遷移で落ちる頻度はかなり減っていて操作自体のストレスはほぼ無くなりました。とても素晴らしいアプリですので、是非とも改善よろしくお願いいたします！

### 1/5 — .oud2ファイル読み込み時落ちる

*2024-08-10*

.oud2ファイルを読み込もうとすると一瞬「最適化」と表示されてアプリが強制終了して見れません。改善してほしいです。

### 1/5 — アプリが落ちる

*2024-07-13*

iOS17.5.1なんですが、いつも強制終了してしまって起動できません。日常的に使っているアプリなので、改善をお願い致します。

## Frequently asked questions about DiaTouch

### What file formats does DiaTouch support?

DiaTouch supports WinDia format (*.dia), OuDIA format (*.oud), and OuDiaSecond format (*.oud2). This allows for broad compatibility with existing project files.

### How can I view my files in DiaTouch?

You can view your files in DiaTouch using the timetable form, diagram form, or box diagram form. These options provide different ways to visualize your data.

### Is DiaTouch free to use?

Yes, DiaTouch is free to download and use. It also offers in-app purchases for additional functionality.

### Does DiaTouch have ads?

Yes, DiaTouch contains advertisements. This helps support the development and maintenance of the application.

### What devices is DiaTouch available on?

DiaTouch is available for iPhone and iPad. It is designed to work seamlessly on Apple mobile devices.

### What is the age rating for DiaTouch?

DiaTouch has an age rating of 4+. This indicates it is suitable for a wide range of users, including children.

### How often is DiaTouch updated?

The latest version of DiaTouch is 2.0.6, last updated on April 15, 2026. This suggests regular updates to improve functionality and compatibility.

### Who developed DiaTouch?

DiaTouch was developed by Umagoro Ueda. They are responsible for the creation and ongoing support of the application.

## Version history (last 5 releases)

### 2.0.6 — 2026-04-15

Fixed an issue that occurred when loading files.
Added the ability to select the display style for pass-through times on the train details screen.

### 2.0.5 — 2025-03-22

- Fixed an issue that would cause the app to crash if there were no trains when displaying the timetable.
- Fixed an issue that would cause the app to crash when coupling and uncoupling at the starting station and connecting to another train.
- Fixed an issue that would sometimes cause the terminal mark to not be displayed correctly when displaying the timetable.
- Fixed an issue that would sometimes cause the correct operation number to not be obtained when departing.
- Fixed other minor bugs.

### 2.0.4 — 2024-12-21

- Fixed some crashing issues when loading files.
- Added a bug report form.

### 2.0.3 — 2024-05-13

- Changed the display method when selecting a train on the diagram screen
- Resolved the issue where the box diagram screen could not be displayed when there was only one operation number.
- Other minor bugs resolved

### 2.0.2 — 2024-04-13

- Resolved the issue where the box diagram screen display would collapse when a configuration file with multiple diamonds was loaded.
- Resolved the problem of abnormal termination at startup.
- Resolved minor issues.

## Apps similar to DiaTouch

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TrainLCD](https://appshunter.io/ios/app/trainlcd/id1486355943) | 5.0 (2) | Free | Navigation |
| [デジタル 東京時刻表 Lite](https://appshunter.io/ios/app/lite/id1542134343) | — | Free | Navigation |
| [My Transfer Makers](https://appshunter.io/ios/app/my-transfer-makers/id1537219072) | — | Free | Navigation |
| [阪神アプリ](https://appshunter.io/ios/app/id1347057898) | — | Free | Navigation |
| [京急線アプリ](https://appshunter.io/ios/app/id1209846423) | 2.0 (2) | Free | Navigation |

## More apps by Umagoro Ueda

- [PATA-PATA TimeTable](https://appshunter.io/ios/app/pata-pata-timetable/id454471406)
- [MoonSurf](https://appshunter.io/ios/app/moonsurf/id1175906986)

All apps by Umagoro Ueda: https://appshunter.io/developer/451116266

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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 2026-07-17.*