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Best Boat Battery Monitor App

204+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

Looking for free boat battery monitor app apps? 19 of our 204+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Boat Battery Monitor App

Siren Connected Boat#1

Siren Connected Boat by Yamaha Motor Co. Ltd.

Smart Boating Made Easy
Editor's Choice
📊 Productivity
4.2😞(1K ratings)
Free
Siren Connected Boat screenshot 1
Siren Connected Boat screenshot 2
Siren Connected Boat screenshot 3
Siren Connected Boat screenshot 4
Siren Connected Boat screenshot 5

Monitor, track, and control your boat's systems with the Siren Connected Boat app, ensuring safety, security, and maintenance all in one place. Stay connected to your boat in real-time from anywhere, with features like remote monitoring, geofencing, system control, and anti-theft protection. Get the app now for smart boating made easy!

What We Love

  • 🚀 Consistent improvement
  • 👍 Nice update overall
  • 👍 Big improvement
  • 👍 Must Have for Boat Owners

Room to Improve

  • 🐛 Terrible redesign, nonstop false alerts
  • 🐛 Terrible change
  • 🐛 A big step backward
Norsk Guardian#2

Norsk Guardian by Norsk, Inc.

Monitor your boat’s battery
Strong Contender
🔧 Utilities
4.8(4 ratings)
Free
Norsk Guardian screenshot 1
Norsk Guardian screenshot 2
Norsk Guardian screenshot 3
Norsk Guardian screenshot 4

This application allows you to monitor your boat's battery health and charging status in real-time, receiving alerts and notifications if any issues arise, and provides features such as live chat support, deep sleep mode, and custom grouping to ensure your batteries remain charged and ready for use. Download the app to experience complete confidence on and off the water with comprehensive battery monitoring and management.

Zen Battery#3

Zen Battery by Shinobit LLC

Widgets, Charging Animation
Worth Considering
🔧 Utilities
4.7😊(8.1K ratings)
FreeIn-App Purchases
Zen Battery screenshot 1
Zen Battery screenshot 2
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Zen Battery screenshot 5
Zen Battery screenshot 6

An intuitive battery application for Apple devices that provides real-time information on battery life for various activities like music, videos, calls, and browsing. Customize the display with fluid motion effects and color options, and receive alerts when the battery is fully charged.

What We Love

  • 👍 Reliable battery monitoring
  • 🚀 Accurate battery percentage display
  • 💡 Customizable battery color
  • 👍 Simple and easy to use

Room to Improve

  • 🔋 High battery consumption
  • 🐛 Inconsistent battery percentage accuracy
  • 🔋 Drains device battery quickly

More Boat Battery Monitor App apps to explore

4
Nebo - Boat Logging Made Easy.
Nebo - Boat Logging Made Easy.
Nebo - Boat Logging Made Easy.
Auto Boat Log, Connect & Share
Free

Track and log your boating activities effortlessly with this application. Simplify boat logging and stay connected with fellow boaters. Enhance your boating experience today.

🗺️ Navigation
(34)
5
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
(7.2K)
6
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
(4.9K)
7
Boat Watch - Ship Tracking
Boat Watch - Ship Tracking
Boat Watch - Ship Tracking
Ferry, cargo & cruise ships
Free

Track ships in real-time with Boat Watch - Ship Tracking app! Stay updated on ferry, cargo, and tanker locations, routes, and arrivals with live map tracking and notifications. Download now for ultimate ship tracking experience.

✈️ Travel
(3.7K)
8
Device Monitor²
Device Monitor²
Device Monitor²
System activity info
Free

Discover vital system activity info with this app optimized for Apple devices, offering detailed insights into sensors, RAM, storage, CPU, network, battery, display, and more. Customize widgets and enjoy additional features with in-app purchases for an enhanced experience.

🛠️ Developer Tools
(9K)
9
Juice Watch: Battery Monitor
Juice Watch: Battery Monitor
Juice Watch: Battery Monitor
Battery Status & Notifications
Free
$6.99 | 100% OFF

Track your device's battery level with Juice Watch. Get real-time updates on your battery percentage and receive notifications when it's low. Never be caught off guard again - download now!

🔧 Utilities
(389)
10
System Status Pro: hw monitor
System Status Pro: hw monitor
System Status Pro: hw monitor
CPU,battery,memory usage info
$3.99

System Status Pro is an advanced monitoring tool for iOS devices, offering graphical data on CPU, memory, disk, battery, and network usage. Track performance metrics and device information easily with this comprehensive app.

🔧 Utilities
(5.3K)
11
Battery Widgets by Unplugged
Battery Widgets by Unplugged
Battery Widgets by Unplugged
Widget & Apple Watch Monitor
Free

Track your phone's battery life effortlessly with this essential Apple Watch companion app. Get smart notifications and watch face complications for easy monitoring and management. Download now for smarter battery management directly from your wrist!

🔧 Utilities
(110)
12
SeaPeople: Boat Tracker
SeaPeople: Boat Tracker
SeaPeople: Boat Tracker
Trip Planner & Logbook
Free

Track your friends' live locations, plan and record your boat trips, and connect with nearby boaters with this app designed to enhance real-life interactions on the water. Stay updated and engaged in your boat life like never before.

✈️ Travel
(991)
13
System Status: hw monitor
System Status: hw monitor
System Status: hw monitor
CPU,battery,disk usage info
Free

System Status provides essential system monitoring for your iPhone and iPad, including CPU load, battery level, disk usage, and network connections. Monitor your device's performance in real time with this handy tool.

🔧 Utilities
(2.4K)
14
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
(2.3K)
15
BAST: Battery Status
BAST: Battery Status
BAST: Battery Status
Battery Health & CycleCount
Free

Check and optimize your device's battery health with BAST: Battery Status. Monitor your battery's status, receive alerts for optimal charging times, and extend your device's battery lifespan. Keep your device running smoothly with BAST!

🔧 Utilities
(231)
16
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
(6.1K)
17
Paddle Logger: SUP & Kayaking
Paddle Logger: SUP & Kayaking
Paddle Logger: SUP & Kayaking
Paddling Logbook & GPS Tracker
Free
💪 Health & Fitness
(6.1K)
18
Battery Monitor - check your phone battery on your wrist
Battery Monitor - check your phone battery on your wrist
Battery Monitor - check your phone battery on your wrist
by Tom Etminan
Free
🔧 Utilities
(9)
19
iNavX: Marine Navigation
iNavX: Marine Navigation
iNavX: Marine Navigation
Sailing & Boating Chartplotter
Free

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.

🗺️ Navigation
(20K)
20
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)

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