# iWriteMusic SE vs DrillStudioViewer

The clearest difference is update cadence: iWriteMusic SE at every 2 months against DrillStudioViewer's every 5 months. iWriteMusic SE also leads on review sentiment (57% vs 43%). DrillStudioViewer's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iWriteMusic SE ships an update every 2 months, DrillStudioViewer every 5 months. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | iWriteMusic SE | DrillStudioViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (144 ratings)](https://appshunter.io/ios/app/iwritemusic-se/id393614358/reviews)** | — |
| Number of ratings | **144** | — |
| Positive reviews | **56.8% of reviews** | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 19 MB | 173 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [iWriteMusicProject](https://appshunter.io/developer/393551666) | [Shinya Hattori](https://appshunter.io/developer/989534356) |

## What reviewers say

### iWriteMusic SE

[App page](https://appshunter.io/ios/app/iwritemusic-se/id393614358)

Create professional-quality sheet music efficiently, even on small screens. This app offers intuitive interfaces and powerful tools for musicians of all levels, from beginners to professionals. Easily compose, edit, and share your musical ideas.

**Highlights:** Intuitive and simple user interface, Highly efficient input systems (One-Flick & Traditional), Professional quality sheet music creation, Supports major notation elements, Useful playback options for practice, Data and sheet music sharing (PDF, JPG, MIDI)

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🎼 Comprehensive notation tools and features
- 👍 Intuitive interface for music composition
- 🎵 Wide range of instruments available
- 💾 Easy saving and exporting to PDF
- 🎹 Playback functionality for reviewing compositions

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 😤 Difficult and unintuitive note input
- 🔧 Poor user interface design
- 📖 Confusing and poorly organized help documentation
- ⚠️ Inaccurate instrument sound playback

**Reported bugs**

- App crashes when adding rests at beginning of measure
- App crashes when adding/removing notation
- App freezes when entering notes on certain pitches
- App randomly quits during composition
- Note placement inaccuracy on iPhone with retina display

**Requested features**

- Auto-save functionality
- MusicXML file transfer support
- Guitar tablature (TAB) notation
- Ability to change time signature mid-composition
- Better grace note controls


### DrillStudioViewer

[App page](https://appshunter.io/ios/app/drillstudioviewer/id989534357)

View marching band drill storyboards created with Drill Studio. This viewer allows real-time checking of movement direction, stride length, and individual performer actions in 3D. Playback can be synchronized with sound sources and adjusted by tempo.

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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iWriteMusic SE free?

iWriteMusic SE is free to download, with no in-app purchases.

### Is DrillStudioViewer free?

DrillStudioViewer is free to download, with no in-app purchases.

### Do iWriteMusic SE or DrillStudioViewer have ads?

Neither iWriteMusic SE nor DrillStudioViewer shows ads.

### Which is updated more often, iWriteMusic SE or DrillStudioViewer?

iWriteMusic SE ships an update every 2 months, and DrillStudioViewer every 5 months. Most recently, iWriteMusic SE was updated on September 20, 2026 and DrillStudioViewer on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*