Best Oto Navi - Sound Navigator Apps

173+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated June 2026

With an average user rating of 4.3★, the oto navi - sound navigator category is one of the App Store's strongest. Browse all 173+ apps we track, sorted so the most loved ones surface first.

Top Picks for Oto Navi - Sound Navigator

OTO Navi - Sound Navigator#1

OTO Navi - Sound Navigator by The Japan Times Publishing, Ltd.

Audio Player for JTP Books
Editor's Choice
📚 Education
0.0(0 ratings)
Free
OTO Navi - Sound Navigator screenshot 1
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This app allows users to listen to audio material accompanying books from a specific publisher using their smartphone or tablet. With a simple three-step process of searching, downloading, and playing, users can access and study with audio content from their books anywhere, anytime.

Kana - Hiragana and Katakana#2

Kana - Hiragana and Katakana by App to Learn Pte. Ltd.

Learn Japanese • quiz & draw
Strong Contender
📚 Education
4.8😊(10K ratings)
FreeAds
Kana - Hiragana and Katakana screenshot 1
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Kana - Hiragana and Katakana screenshot 5
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Learn Japanese characters with this interactive app that includes quizzes for both hiragana and katakana. Start mastering the Japanese writing system today!

What We Love

  • 👍 Effective for learning hiragana and katakana
  • 🚀 Engaging and efficient learning experience
  • 📊 Comprehensive statistics and progress tracking
  • 🎨 Clean and intuitive user interface

Room to Improve

  • 🐛 Inconsistent character recognition in writing mode
  • 🤖 Robotic pronunciation audio
  • 🔍 Difficulty selecting multiple character groups for practice
iNavX: Marine Navigation#3

iNavX: Marine Navigation by NavX Studios LLC

Sailing & Boating Chartplotter
Worth Considering
🗺️ Navigation
4.8😐(20K ratings)
FreeAdsIn-App Purchases
#62in Navigation
iNavX: Marine Navigation screenshot 1
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A powerful marine navigation app designed for sailing enthusiasts to plan routes, track marine weather, and monitor vessel performance. Navigate with precision and confidence on the water.

What We Love

  • 🚀 Accurate and precise navigation
  • 📊 Comprehensive charting and navigation features
  • 🛠️ Customizable instrument settings
  • 🔄 Redundancy across devices

Room to Improve

  • 🤔 Clunky and unintuitive user interface
  • 🗺️ Cumbersome chart management and downloading
  • 🔋 Battery drain issues

More Oto Navi - Sound Navigator apps to explore

4
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
Marine GPS and Nautical Charts
Free

Access all your boating needs in one app – charts, weather forecasts, AIS, and more. From planning to navigation, we've got you covered on the water!

🗺️ Navigation
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5
Navionics® Boating
Navionics® Boating
Navionics® Boating
Nautical and fishing charts
Free

Experience detailed nautical and fishing charts on your mobile device with offline access and a range of features through this must-have Boating app. Get expertly detailed charts for cruising, fishing, sailing, and diving – perfect for all your water activities. Try it free for a limited time and unlock advanced features with a yearly subscription.

🗺️ Navigation
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6
NaviBridge
NaviBridge
NaviBridge
by MIC WARE Co,.LTD
Free

This application allows users to search for destinations on their favorite apps and send them to their car's navigation unit with a single tap, making it easy to navigate to desired locations. It also offers features such as saving favorite spots, creating route plans, checking traffic and street views, and sharing locations with friends, making it a convenient tool for daily navigation needs.

🗺️ Navigation
(13)
7
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Navigation, Charts, Tides, Map
Free

Enhance your boating experience with our marine GPS app - offering simplified navigation, customizable nautical charts, tidal information, weather updates, and a community-based platform for sharing knowledge. Join our fast-growing community today and enjoy a free trial to explore all the features. For more information, visit our website.

🗺️ Navigation
(5.4K)
8
ActiveCaptain®
ActiveCaptain®
ActiveCaptain®
Connect to Your GPS Plotter
Free

Connect your mobile device to your Garmin chartplotter and the boating community with this powerful app. Access charts, maps, software updates, routes, waypoints, and community feedback seamlessly while tracking and monitoring your boat from anywhere. Join the ActiveCaptain community for up-to-date information on marinas, boat ramps, and more.

🗺️ Navigation
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9
Garmin Audio
Garmin Audio
Garmin Audio
by Garmin International
Free

Control your marine entertainment system with ease using Fusion Audio app, offering wireless remote access and advanced control features like independent volume zone control, DSP customization, and album art display. Stream and manage music effortlessly while on board, ensuring a premium audio experience on your boat. Discover the ultimate in marine entertainment control today.

🎵 Music
(439)
10
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
Lake Maps & Fishing Spots
Free

Discover a comprehensive marine navigation app with detailed charts, precise route planning, and real-time AIS tracking. Navigate ocean waters effortlessly and ensure safe voyages with this essential tool for all boating enthusiasts. Explore and download the app to set sail confidently today!

🗺️ Navigation
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11
Argo - Boating Navigation
Argo - Boating Navigation
Argo - Boating Navigation
Charts, Routes, Tracks, Log
Free

Discover boating destinations, track trips, connect with boaters, and access real-time local insights with Argo - Boating Navigation. Download for free and enhance your boating experience!

🗺️ Navigation
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12
Clear Wave - Water Eject App
Clear Wave - Water Eject App
Clear Wave - Water Eject App
Speaker Cleaner & Remover
Free

"Transform your device into a professional sound level meter with Clear Wave - Speaker Cleaner. Generate wave tones, adjust frequency, track environmental noise, and protect your hearing. Try it now and turn your phone into a powerful sound tool!"

🎵 Music
(1.9K)
13
NHK WORLD-JAPAN
NHK WORLD-JAPAN
NHK WORLD-JAPAN
by NHK (Japan Broadcasting Corp.)
Free

NHK WORLD-JAPAN offers a variety of services including 24/7 live streaming of an English TV channel with multilingual subtitles, on-demand multilingual video and audio programs, and the latest news on Japan and Asia in 19 languages. Stay informed with push notifications for emergency information on earthquakes and tsunami in select languages.

📡 News
(493)
14
Learn Japanese Kanji: Benkyō
Learn Japanese Kanji: Benkyō
Learn Japanese Kanji: Benkyō
JLPT, Vocab & SRS Flashcards
Free

Learn Japanese Kanji efficiently with flashcards and quizzes tailored for JLPT and vocabulary practice. Master essential characters and expand your language skills with interactive lessons. Start your Kanji journey today!

📚 Education
(1.4K)
15
Simrad: Companion for Boaters
Simrad: Companion for Boaters
Simrad: Companion for Boaters
Great nautical charts
Free

Experience detailed nautical charts, weather updates, route planning, and GPS functionality with this boater's companion app. Activate and register your Simrad Chartplotter, access a free C-MAP Chart Viewer, use Autorouting™, save personal waypoints, track recordings, and explore marine points of interest. Stay informed with marine weather forecasts and customize your charts for seamless navigation.

🗺️ Navigation
(38)
16
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
GPS Chart Route Sail Powerboat
Free

Experience the ultimate boating app with crisp nautical charts, tailored routes, global marine weather forecasts, AIS data, and connectivity across all platforms. Join Orca for a next-generation boating experience.

🗺️ Navigation
(48)
17
One-Boat Network
One-Boat Network
One-Boat Network
Humminbird® and Minn Kota®
Free

Experience seamless control of your fishing boat with the One-Boat Network app, connecting your Humminbird and Minn Kota devices into one dashboard for advanced navigation and control. Access detailed maps, customize routes, control trolling motors, anchor systems, and receive updates for peak performance. Optimize your fishing experience with this essential tool.

🗺️ Navigation
(164)
18
Aqua Map Boating
Aqua Map Boating
Aqua Map Boating
Marine navigation and fishing
Free

Explore marine navigation, fishing, and weather with advanced features like offline charts, live tracking, route planning, and connectivity for AIS and GPS data. Start your 14-day free trial now for an enhanced boating experience.

🗺️ Navigation
(130)
19
MARU: Learn Japanese Hiragana
MARU: Learn Japanese Hiragana
MARU: Learn Japanese Hiragana
Free Beginner Kana Practices
Free

An engaging and interactive app for learning Japanese hiragana and katakana with 14 fun practices, voice recordings, and vocabulary lessons. Perfect for beginners looking to start their Japanese language adventure. Available for free with the option to upgrade for an ad-free experience and additional features.

📚 Education
(15K)
20
The Japan Times
The Japan Times
The Japan Times
by The Japan Times, Ltd.
Free

Get the latest news from Japan with our mobile app! Stay informed with round-the-clock updates on politics, business, culture, and more. Download now for free.

📡 News
(243)