OTO Navi - Sound Navigator
OTO Navi - Sound Navigator is made and published by The Japan Times Publishing. AppBrain is an independent app data site and isn't affiliated with The Japan Times Publishing. The app name, icon, screenshots and description belong to The Japan Times Publishing and are shown as published on Google Play.
AppBrain's verdict
EstablishedWell rated- Rating on Google Play
- 4.00
- 251 ratings
- Installs
- 270 thousand
- Last updated
- January 7, 2026
- Ads
- No ads
- Size
- 69.4 MB
OTO Navi - Sound Navigator has 270 thousand installs. Users rate it well: 4.0 stars from 251 ratings.
User feedback
Ratings and reviews on Google PlayComments on OTO Navi - Sound Navigator for Android
Google Play Rating history and histogram
Store listing
By The Japan Times Publishing, from Google Play“App for listening to audio material of books from The Japan Times Publishing”
Description by The Japan Times Publishing Written by the developer, not by AppBrain. Click to read.
●How to use OTO Navi●
It’s three easy steps: 1. Search for the book / 2. Download the audio material / 3. Play it!
1. Search for the book
You can easily search the database for the target book by either entering a keyword (title, author, or ISBN) or scanning the bar code on the book you own. If searching by bar code, scan the upper bar code of the two printed on the book’s back cover.
2. Download the audio material
You can download either the full set of audio material for the book, or just the sections you want. If downloading the full set, you may want to use a WiFi connection.
3. Play it!
OTO Navi offers several handy playback features to aid your studies, including 3-second skipping back/forward and repeating of a single track, a single section, or all sections.
Recent changes:
・Enhanced Book Search
・Improved matching for text format variations (full-width/half-width, kanji/katakana, etc.)
・Supports multi-keyword AND search
・Author name search added
・Fixed an issue where continuous playback did not work correctly on some devices
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 17
- App size
- 69.4 MB
- Needs Android
- 7.0+
- Content rating
- Everyone
Technologies used by OTO Navi - Sound Navigator
Releases
Updates seen on Google Play- Version
- 1.1.7
- Launched
- December 2019
Alternatives
Similar apps and more from The Japan Times PublishingAlternatives to OTO Navi - Sound Navigator
More from The Japan Times Publishing
Also available on the App Store
Installs
Tracked by AppBrain- Last 30 days
- 6.6 thousand
- Per day
- 220
- 30-day average
- Play install range
- 100+ thousand
- Launched
- December 2019
Installs over time
OTO Navi - Sound Navigator has been installed 270 thousand times. Over the past 30 days, it averaged 220 installs per day.
Rankings
Google Play top charts- Highest rank
- #132
- Chart
- Top Free
- Education
- Country
- Japan
Google Play Rankings for OTO Navi - Sound Navigator
Ranking history in Japan
About the app and developer
About OTO Navi - Sound Navigator
OTO Navi - Sound Navigator is an education app developed by The Japan Times Publishing.
How many times has OTO Navi - Sound Navigator been downloaded?
OTO Navi - Sound Navigator has been downloaded 270 thousand times. In the last 30 days, the app was downloaded 6.6 thousand times.
What is the rating of OTO Navi - Sound Navigator?
OTO Navi - Sound Navigator is rated 4.00 out of 5 stars, based on 250 ratings.
Is OTO Navi - Sound Navigator free?
OTO Navi - Sound Navigator is free. The APK size is 69.39 MB. The latest APK version available is 1.1.7. The last update was on January 7, 2026.
What are the requirements for OTO Navi - Sound Navigator?
OTO Navi - Sound Navigator requires Android 7.0+ or higher. The app has a content rating of Everyone. The APK has been available on Google Play since December 2019.
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