---
title: "OTO Navi - Sound Navigator — App Overview"
url: https://marlvel.ai/intel-report/education/oto-navi-sound-navigator
category: Education
developer: The Japan Times Publishing, Ltd.
platforms: ios, android
rating: 4.0 (234 ratings)
pricing: free
report_level: overview
generated: 2026-04-19
last_verified: "2026-04-19T10:13:13.418Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app provides a highly convenient, frictionless way to access textbook audio, users report technical inconsistencies such as UI bugs and performance latency.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Education |
| Rating | 4.0 ★ (234) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.1.7 |
| Latest Version (Android) | 1.1.7 |
| Developer | The Japan Times Publishing, Ltd. |

<!-- SECTION: Summary -->
## What is OTO Navi - Sound Navigator?

OTO Navi is a companion app for The Japan Times Publishing books that replaces physical CDs with digital audio streaming and downloads. It enables users to access study materials via barcode scanning or keyword search, offering a streamlined alternative to traditional textbook audio distribution.

<!-- SECTION: Key Features -->
## Key Features

- **Book Search**: Allows users to locate audio content by entering keywords or scanning the book's barcode.
- **Flexible Downloads**: Enables users to download full sets of audio material or specific sections as needed.
- **Playback Controls**: Provides study-focused features including a 3-second skip function and adjustable playback speed.

<!-- SECTION: Target Audience -->
## Who is it for?

Language learners and students using textbooks published by The Japan Times Publishing, Ltd.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/oto-navi-sound-navigator/id1490391845?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=jp.co.japantimes.jtpaudioplayer&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/education/oto-navi-sound-navigator)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/education/oto-navi-sound-navigator).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*