# DuotingZ — listening player to study lang

> Audio playback tool for language study with speed control and speech recognition. (iPhone/iPad app by Masaki OMATA.)

- Source: https://appshunter.io/ios/app/duotingz/id1438273099 (this page in markdown: same URL + `.md`)
- Developer: [Masaki OMATA](https://appshunter.io/developer/1155973880)
- Category: Education, Music
- Price: Free
- Rating: 4.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 33 MB
- Languages: American English, Japanese
- Released: 2018-10-06
- Data updated: 2026-06-02
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/duotingz/id1438273099/reviews.md

## What is DuotingZ?

***Functions***

iPod library
-album
-audiobook
-podcast

Play repeatedly
-the any ranges of a file
-the whole file
-1, 2, 4, 8, 16 times or unlimited

Sound wave
-within 30 minutes

Speech recognizer
-58 languages
-within 30 seconds

Remote Control
-play
-forward
-back

Play speed
-x 0.5
-x 0.67
-x 0.8
-x 1.0
-x 1.25
-x 1.5
-x 2.0

Play in background

## Key features

- iPod library integration
- Adjustable playback speed
- Repeat playback options
- Speech recognition (58 languages)
- Sound wave visualization
- Background playback
- Remote control

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/duotingz/id1438273099/reviews.md

### 4/5 — Amazing app for language learners, but

*2019-07-04*

why no tutorial? It was not easy to find out almost everything. But thank you very much, dev!

## Frequently asked questions about DuotingZ

### What is DuotingZ?

DuotingZ is a free audio playback application designed to assist with language learning. It offers features like adjustable playback speed, repeat playback, and speech recognition to enhance the study process.

### Does DuotingZ have ads?

No, DuotingZ does not contain advertisements. It is a completely free application with no ads to interrupt your learning experience.

### What languages does DuotingZ support for speech recognition?

DuotingZ supports speech recognition in 58 different languages, allowing users to practice pronunciation and receive feedback across a wide range of linguistic options.

### Can DuotingZ play audio in the background?

Yes, DuotingZ supports background playback, enabling you to continue listening to your audio materials while using other apps or when your device screen is off.

### What devices is DuotingZ compatible with?

DuotingZ is compatible with iPhone, iPad, and iPod devices. It is designed to run on Apple's iOS ecosystem.

### How often is DuotingZ updated?

The latest version of DuotingZ was released on August 18, 2019. While updates may not be frequent, the app provides core functionality for language study.

### What is the age rating for DuotingZ?

DuotingZ has an age rating of 4+, making it suitable for young learners and users of all ages interested in language study.

### Can I play specific ranges of an audio file with DuotingZ?

Yes, DuotingZ allows you to play specific ranges of any audio file, as well as the whole file. This feature is useful for focusing on particular sections for study.

## Version history (last 5 releases)

### 1.1.2 — 2019-08-18

Fixed bugs

### 1.1.1 — 2019-08-12

Fixed bugs

### 1.1.0 — 2018-10-27

Support for ArtWork

### 1.0.2 — 2018-10-24

- Stop playing when the headphone turns off

### 1.0.1 — 2018-10-23

Change the theme color to green one

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| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [vLearnLan](https://appshunter.io/ios/app/vlearnlan/id1614048572) | — | Free | Education |
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| [成語クイズ](https://appshunter.io/ios/app/id1097446996) | — | Free | Education |
| [WordByWord Translate](https://appshunter.io/ios/app/wordbyword-translate/id6741724502) | — | Free | Education |

## More apps by Masaki OMATA

- [Magi'clock](https://appshunter.io/ios/app/magiclock/id1155973881)
- [Cool or hot today?](https://appshunter.io/ios/app/cool-or-hot-today/id1331846441)
- [OCR2QR](https://appshunter.io/ios/app/ocr2qr/id1533517515)
- [SarCholee](https://appshunter.io/ios/app/sarcholee/id1585804662)
- [Rebalancing at withdrawal](https://appshunter.io/ios/app/rebalancing-at-withdrawal/id6670777743)

All apps by Masaki OMATA: https://appshunter.io/developer/1155973880

## Related topics

[duotingz](https://appshunter.io/ios/topics/duotingz)

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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 2026-06-02.*