3-Min Compose musicLine
Katsuma Akamatsu Music iPhoneiPadiPod touch
3-Min Compose musicLine is a free Music app for iPhone and iPad by Katsuma Akamatsu. Requires iOS 18.0. Updated October 17, 2026.
- Price
- Free
- on the App Store
- Size
- 242 MB
- Age 12+
- Updated
- Oct 17
- 2026 · v1.3.1
Screenshots
About 3-Min Compose musicLine
Create Music in Just 3 Minutes! An easy-to-use music production & MIDI sequencer app for everyone. musicLine is finally available on iOS! Even with no musical experience, you can create your own original songs using simple touch controls. It's an intuitive composition app that makes songwriting fun for everyone. Perfect for beginners, but also powerful enough for users who enjoy transcribing songs by ear or have experience with DAWs and MIDI sequencing. ▽ Why you'll love musicLine Over 100 instruments Choose from piano, guitar, violin, music box, ocarina, and many more. Find the perfect sound for your music. Share your music instantly Post your songs directly to the in-app community and share your creations with music lovers around the world. ▽ Powerful composition features Easy editing tools Quickly create music using the Pen, Eraser, Selection, Copy & Paste tools. Advanced music controls Adjust key, tempo (BPM), and individual track volumes to shape your sound. Start your composing journey today! Download musicLine now and bring your own melodies to life.
What’s new
Version 1.3.1 · Updated October 17, 2026
・Edit History List
App privacy
The developer, Katsuma Akamatsu, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data: Advertising Data
- Diagnostics: Crash Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Usage Data: Advertising Data
- Identifiers: Device ID, User ID
- User Content: Emails or Text Messages, Photos or Videos, Other User Content
- Diagnostics: Crash Data, Performance Data
Used for: Third-Party Advertising, Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Other Usage Data
Used for: Analytics, App Functionality
Alternatives to 3-Min Compose musicLine
Looking for apps like 3-Min Compose musicLine? Here are 6 similar apps on the App Store. The highest rated is AI Song Generator: SongFlare (4.8/5), and all 6 are free to download.
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作詞作曲支援ツール：カラオケメーカー
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 3-Min Compose musicLine | – | Free | October 17, 2026 | |
| 作詞作曲支援ツール：カラオケメーカー | – | Free | Dec 15, 2025 | Compare |
| AI Song Generator: SongFlare | 4.8 / 5 (19) | Free | Aug 20, 2026 | Compare |
| OtoTheory - Chord Progression | – | Free | Oct 14, 2026 | Compare |
| Hum to Score - Melody to Notes | – | Free | Oct 21, 2026 | Compare |
| Music Maker & Notes: AnySing | 4.0 / 5 (13) | Free | Jul 7, 2026 | Compare |
| Re:chord - Start of a song | – | Free | Jan 25, 2026 | Compare |