# MTR - Multi Track Recorder — Record & Mix

> Multi-track audio recorder and mixer with advanced track editing and sharing. (iPhone/iPad app by Nobutaka Yuasa.)

- Source: https://appshunter.io/ios/app/mtr-multi-track-recorder/id1312190113 (this page in markdown: same URL + `.md`)
- Developer: [Nobutaka Yuasa](https://appshunter.io/developer/1077141399)
- Category: Music, Utilities
- Price: Free
- Rating: 3.60/5 from 39 App Store ratings · 88 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.3 · 52 MB
- Languages: American English, Japanese
- Released: 2017-11-20
- Data updated: 2026-08-16
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/mtr-multi-track-recorder/id1312190113/reviews.md

## What is MTR?

This app can record up to 8 tracks.
Then mix recorded tracks.

Features:
- Enable to change volume, pan, playback rate and pitch for each track
- Enable to import downloaded music from Music App
- Mixed audio can play and share from Library menu
- Volume range: 0 ~ 100%
- Pan range: -1.0 ~ 1.0
- Playback rate range: x0.5 ~ x3.0
- Pitch rate range: -2 oct ~ 2 oct (Changed by semitone)
- Metronome
- Import an audio file from other apps by share action
  (Supported files: wav, mp3, mp4, m4a, aifc, aiff, aac, caf)

iOS 11 is recommended!!
For iOS 11, changed volume, pan, speed and pitch for each track is preserved when mixing.

If you have requests for more features or suggestions to make improvements, just write a review.
I will do my best!

## Key features

- Record up to 8 tracks
- Adjust volume, pan, playback rate, and pitch per track
- Import music from Music App
- Import audio files via share action (wav, mp3, mp4, etc.)
- Metronome included
- Mix and share audio

## Recent user reviews (10 of 88)

All indexed reviews: https://appshunter.io/ios/app/mtr-multi-track-recorder/id1312190113/reviews.md

### 2/5 — やばい

*2026-05-03*

iPhoneを機種変してから初めて使ったら、ラグい！！

### 3/5 — マイクオフにして

*2026-03-26*

録音ボタン押してない時は音を取らないで欲しいです。よろしくお願いします。

### 4/5 — シンプルで良い

*2025-10-17*

ジャズの練習用に使っています。ドラムとベース→コード→リードとシンプルに重ねていけるのでとても快適です。ありがとうございます♪

### 4/5 — It keeps crackling

*2024-06-01*

This is not a complaint, but this is just to let you know that this app keeps on crackling whenever I do a recording I don’t know why but it likes to crackle

### 1/5 — Sync issues between inbuilt metrenome & recording

*2023-11-17*

Serious latency issues. My students had this issue. I tested it and it’s true.

### 5/5 — History

*2023-10-19*

When I found two sound recordings , the vocals were clear.So clear , I enjoyed the song more with your app this is just two takes and the eight channel capability makes this a winner app .Thanks for your developing talent . Five Stars . A+.

### 1/5 — ただ録音できるだけ

*2023-09-09*

録音しても音ズレが酷くて使えないし、メトロノームの音も鳴らない(笑)

### 3/5 — 駅

*2023-07-21*

竹内まりや

### 5/5 — 感想

*2023-01-24*

とても良い機能です。音が最高です。トラックを混ぜないで下さい。

### 1/5 — Ugh…

*2022-10-23*

Laggy

## Frequently asked questions about MTR

### What can this app do?

This app allows you to record up to 8 audio tracks and then mix them together. You have granular control over each track's volume, pan, playback rate, and pitch. It also supports importing audio files and music from other apps.

### What are the key features for mixing?

Key mixing features include the ability to adjust volume (0-100%), pan (-1.0 to 1.0), playback rate (x0.5 to x3.0), and pitch (-2 oct to 2 oct) for each individual track. A metronome is also included for precise timing.

### How can I import audio into the app?

You can import music directly from your Music App. Additionally, you can import various audio file types (wav, mp3, mp4, m4a, aifc, aiff, aac, caf) from other applications using the share action.

### Is this app free to use?

Yes, the application is free to use. There are no in-app purchases or advertisements mentioned, indicating a completely free experience for users.

### What are the compatibility requirements?

iOS 11 is recommended for the best experience, particularly for preserving track adjustments during mixing. The app supports importing a variety of common audio file formats.

## Version history (last 5 releases)

### 1.2.0 — 2018-02-13

This app has been updated by Apple to display the Apple Watch app icon.

- Enable to import an audio file from other apps by share action
   Supported files: wav, mp3, mp4, m4a, aifc, aiff, aac, caf

### 1.1.0 — 2018-02-06

- Add metronome
- Fix some bugs

### 1.0.2 — 2018-01-22

- Hopefully, this version improves a sync problem when recording
- Fix some bugs

### 1.0.1 — 2017-12-12

- Bug fix

### 1.0 — 2017-11-20

No release notes.

## Apps similar to MTR

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Nu-Music Player](https://appshunter.io/ios/app/nu-music-player/id982811087) | 4.3 (61) | Free | Music |
| [DubDub recorder](https://appshunter.io/ios/app/dubdub-recorder/id1158761766) | 4.8 (4) | Free | Music |
| [ezMixRecorder](https://appshunter.io/ios/app/ezmixrecorder/id1125724128) | — | Free | Music |
| [4 Tracks LX](https://appshunter.io/ios/app/4-tracks-lx/id322639592) | 1.9 (9) | Free | Music |
| [AudioMixer Lite](https://appshunter.io/ios/app/audiomixer-lite/id626604946) | 3.4 (5) | Free | Music |
| [JamFactory - Multitrack Tunes](https://appshunter.io/ios/app/jamfactory-multitrack-tunes/id1438346861) | 5.0 (2) | Free | Music |

## More apps by Nobutaka Yuasa

- [QR & Barcode Reader Writer](https://appshunter.io/ios/app/qr-and-barcode-reader-writer/id1107409513)
- [Reverse Audio](https://appshunter.io/ios/app/reverse-audio/id1254981556)
- [Export Audio](https://appshunter.io/ios/app/export-audio/id1260980663)
- [Music Player+](https://appshunter.io/ios/app/music-player-plus/id1475353901)
- [Audio Editor & Tool](https://appshunter.io/ios/app/audio-editor-and-tool/id1571049315)

All apps by Nobutaka Yuasa: https://appshunter.io/developer/1077141399

## Related topics

[playback multitracks](https://appshunter.io/ios/topics/playback-multitracks) · [nobutaka yuasa](https://appshunter.io/ios/topics/nobutaka-yuasa)

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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 2026-08-16.*