# DrillStudioViewer

> Marching band drill storyboard viewer with 3D playback and tempo control. (iPhone/iPad app by Shinya Hattori.)

- Source: https://appshunter.io/ios/app/drillstudioviewer/id989534357 (this page in markdown: same URL + `.md`)
- Developer: [Shinya Hattori](https://appshunter.io/developer/989534356)
- Category: Music, Education
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 173 MB
- Languages: American English
- Released: 2015-05-14
- Data updated: 2026-08-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/drillstudioviewer/id989534357/reviews.md

## What is DrillStudioViewer?

This is a viewer application that can read dsm files created by App "Drill Studio" for creating drill storyboards for marching bands.
This app has no editing features.
By uploading the dsm file (DrillStudio file) created in advance by the storyboard creator to the server and entering the information into the app, you can download and load it into the app.

You can check the movement direction from your own point, the stride length, etc. in real time, and you can check the movement of the individual.
・Realistic reproduction in 3D display
・Play back in sync with the sound source
・Specify the tempo and play
・Play at the tapped tempo
・Display trajectory, stride length, direction of travel, etc.
・Swap the top and bottom of the storyboard
・Tracking display even when enlarged

Equipped with various functions that are useful for various exercises.

## Key features

- 3D realistic reproduction
- Playback sync with sound source
- Adjustable tempo playback
- Display trajectory and stride length
- Tracking display with zoom
- Swap storyboard top/bottom

## Recent user reviews (7 of 7)

All indexed reviews: https://appshunter.io/ios/app/drillstudioviewer/id989534357/reviews.md

### 5/5 — お勧めです

*2025-09-08*

日本生まれのアプリで、まだまだ改善の余地もあるでしょうが、ビューアーが無料で使えるのは嬉しい。

### 1/5 — 使い方

*2025-01-21*

使い方がわからない
説明書とかつけてくれ

### 1/5 — 使えない

*2021-02-02*

パソコンで作成したコンテをコード方式で読み込もうとしてもパスワード方式で読み込もうとしても、ダウンロード中です…、から全く進みません。
全く使えません。残念でした…

### 3/5 — とても使いやすいです！

*2016-08-10*

アップデート後、「しばらくお待ちください。」の画面から動かなくなってしまいました。

機能はとても便利なので、ぜひ早急の復旧を願います。
曲と動きを合わせて見られるので、とてもドリルが覚えやすいです。3Dでも見られる機能が欲しいです。

### 5/5 — Gxhdjnk

*2016-08-08*

楽しいです

### 2/5 — うーん。

*2015-08-25*

編集機能をつけて欲しいです。

### 5/5 — PC版ドリルスタジオも使わせて頂いています

*2015-06-05*

今までpdfなどにデータ化したシートをスマホに取り込んで見ていましたがテンポに合わせての追従や自分のポイント・行き先など見やすく、痒いところに手が届くアプリで、とても良いと思います。これからも使わせてもらいます！

## Frequently asked questions about DrillStudioViewer

### What is DrillStudioViewer used for?

DrillStudioViewer is a viewer application for dsm files created by Drill Studio. It allows users to visualize marching band drill storyboards in 3D, check individual movements, and play back formations synchronized with music.

### Can I edit drill formations with DrillStudioViewer?

No, DrillStudioViewer is strictly a viewer application and does not have any editing features. All drill formations must be created using the separate Drill Studio application.

### How does DrillStudioViewer handle playback speed?

You can specify the tempo for playback in DrillStudioViewer. It also allows you to tap to set the tempo, providing flexibility for rehearsals.

### What devices is DrillStudioViewer compatible with?

DrillStudioViewer is available for iPhone, iPad, and iPod devices. It is designed to be accessible on Apple's mobile ecosystem.

### How often is DrillStudioViewer updated?

The latest version of DrillStudioViewer is 4.5.1, last updated on January 22, 2026. This indicates a history of updates and ongoing development.

### Does DrillStudioViewer have ads?

No, DrillStudioViewer does not contain advertisements. It provides an uninterrupted viewing experience for drill storyboards.

### What is the age rating for DrillStudioViewer?

DrillStudioViewer has an age rating of 4+. This suggests it is suitable for a wide audience, including younger users involved in marching bands.

### Can I upload my own drill files to DrillStudioViewer?

Yes, you can upload dsm files created in Drill Studio to the server and then load them into DrillStudioViewer. This allows you to view your specific drill storyboards.

## Version history (last 5 releases)

### 4.5.1 — 2026-01-22

Improved performance optimization and reduced battery consumption.
Props and objects can now accurately reproduce their shapes.
Adjusted behavior such as standing or moving on top of props.
Fixed an issue where sheet numbers could become misaligned with the data depending on settings used during data creation.

### 4.4.5 — 2025-08-22

Base system upgraded to UNITY 6

### 4.4.3 — 2024-10-21

System change to address “229 extended passive mode entered” error during downloading on IPv6-enabled carriers.

### 4.4.1 — 2024-09-19

Fixed a bug that prevented scrolling and selecting files below when the file list increased
Tweaked font display.

### 4.4.0 — 2024-08-28

Added handling of cases where permission to use the camera was not granted.
Changed background of information to darken to make text easier to read.

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## Related topics

[drill marching](https://appshunter.io/ios/topics/drill-marching) · [marching band drill](https://appshunter.io/ios/topics/marching-band-drill)

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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 2026-08-24.*