# iWriteMusic SE vs Composer Pro

The clearest difference is in-app purchases: iWriteMusic SE at none against Composer Pro's 4. Composer Pro's advantage is review sentiment (72% vs 57%) and ratings volume (672 vs 144). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Composer Pro sells 4 in-app purchases, starting at $6.99 per 7 days. iWriteMusic SE asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for iWriteMusic SE against 4.5 for Composer Pro. Both are backed by a comparable volume of ratings — 144 and 672 respectively. Written reviews are what separate them: 57% of iWriteMusic SE's written reviews are positive against 72% of Composer Pro's.

iWriteMusic SE ships an update every 2 months, Composer Pro every 6 weeks. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | iWriteMusic SE | Composer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (144 ratings)](https://appshunter.io/ios/app/iwritemusic-se/id393614358/reviews) | **[4.5 (672 ratings)](https://appshunter.io/ios/app/composer-pro-sheet-music-maker/id1551925812/reviews)** |
| Number of ratings | 144 | **672** |
| Positive reviews | 56.8% of reviews | **72.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Subscription |
| Size | 19 MB | 154 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [iWriteMusicProject](https://appshunter.io/developer/393551666) | [嵩 张](https://appshunter.io/developer/1091921941) |

## 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


### Composer Pro

[App page](https://appshunter.io/ios/app/composer-pro-sheet-music-maker/id1551925812)

Compose music scores with ease using a familiar keyboard layout. This app supports multiple parts, a wide range of instruments, and various musical symbols, making it suitable for both beginners and experienced musicians.

**Highlights:** Keyboard-style note input, Support for up to 8 parts, Over 100 instruments, Variety of music symbols, Configurable parts and settings, Instrument transposition, Export without watermark

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $6.99 | per 7 days |
| Pro Access | $9.99 | per month |
| Pro Access | $49.99 | per year |
| Pro Access | $49.99 | per year |

**What reviewers like**

- 👍 User-friendly interface
- 🎼 Helpful for composing music
- 🎹 Good for beginners
- 💡 Allows creating sheet music

**What reviewers complain about**

- 💰 Subscription model too expensive
- 🔒 Limited features in free version
- 📢 Too many ads
- 🐛 Bugs and glitches
- 🔒 Forced to pay for basic functionality

**Reported bugs**

- Notes sometimes placed incorrectly
- Measures and compositions randomly deleted
- Inability to restore deleted content

**Requested features**

- Add more instruments beyond piano
- Allow changing time signatures and key signatures without subscription
- Improve note editing and placement
- Add export options to save/share compositions
- Provide more music notation tools and dynamics


## Frequently asked questions

### Is iWriteMusic SE free?

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

### Is Composer Pro free?

Composer Pro is free to download, with in-app purchases available.

### Which has better reviews, iWriteMusic SE or Composer Pro?

Composer Pro is rated higher. iWriteMusic SE averages 4.4 out of 5 from 144 ratings, while Composer Pro averages 4.5 from 672 ratings.

### Do iWriteMusic SE or Composer Pro have ads?

Neither iWriteMusic SE nor Composer Pro shows ads.

### Which is updated more often, iWriteMusic SE or Composer Pro?

iWriteMusic SE ships an update every 2 months, and Composer Pro every 6 weeks. Most recently, iWriteMusic SE was updated on September 20, 2026 and Composer Pro on September 24, 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.*