i-Boating: USA Marine Charts

i-Boating: USA Marine Charts

Nautical + Lake Contour Maps

179 ratings
23 reviews
#118 in paid Navigation
✈️ Travel
🗺️ Navigation
$29.99

Details

  • Released
  • Updated
  • June 6, 2015
  • May 27, 2021

Features

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i-Boating: USA Marine Charts screenshot #9 for iPhone
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About

This app provides detailed marine and lake navigation charts, including NOAA vector charts, USACE inland river maps, and contour maps for anglers. It offers advanced GPS features like voice-prompted route assistance, track recording, and tide/current predictions for safe and efficient boating.

NOAA marine vector charts
Freshwater lake contour maps
Voice-prompted route assistance
Tide and currents prediction
GPX/KML route import
Track recording and overlay
Customizable depth units
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What's New in i

107.0.0

May 27, 2021

- Temporal Wind Prediction Overlay - Magnetic Bearing - New lakes covering Michigan, Minnesota, Florida - Compiled with latest version of Xcode

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Charts

Top Paid

📉 118-13

Navigation

This app dropped -13 positions in Navigation chart.

Last updated on July 19, 2026.

User reviews

Review

Location where I am now not easy

Excellent small boat charting option!

Moved recently from Florida to Utah. Have encountered a number of nautical challenges transitioning from coastal chart plotter navigation to inland lakes navigation. Garmin & Lowrance both want a fortune for their chart plotter options in both inland and coastal products. This i-boating USA app. Provides fabulous detail on both coastal and inland options for a very, very reasonable price point. Awesome option alternative to big boy price gouging for marine navigation.
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Great app

The charts are exceptional and the depth indications are great for fishing on Lake Michigan and navigating the St. Joseph river.

Amazing app!

Just getting acquainted with this app, and I can’t compare it to other similar ones, but wow, it sure does work. 20$ for all of North America and no other costs. Works great.

Incorrect water depths.

Bought this for a fishing trip to Shadehill reservoir. All water depths are incorrect and this is after a dry spring. It’s only off by 20 to 28 feet so basically worthless information

Developer apps

FAQ

What kind of maps does this app offer?

The app provides access to NOAA marine vector charts, USACE inland river maps, and freshwater lake maps for over 7,000 lakes. It includes HD/1ft/3ft bathymetry where available, and NOAA raster charts for areas without ENC coverage. Users receive unlimited map updates for one year.

How does the route assistance work?

This app features route assistance with voice prompts for marine navigation. It provides prompts when approaching route markers, continuous distance and ETA updates, and alerts if you sail or boat off-route or in the wrong direction. GPS is required for this feature.

Is this app free to use?

The app is free to download and use, offering access to various marine and lake charts. However, it operates on a free with in-app purchases model, suggesting that some features or content might require additional purchases.

What devices is this app compatible with?

While specific device compatibility isn't detailed, the app is designed for mobile use and requires GPS for certain navigation features. It's likely compatible with most modern smartphones and tablets that support its operating system.

Can I plan my trips with this app?

Yes, the app includes comprehensive route management and trip planning tools. You can create new routes, edit existing ones, import GPX/KML/KMZ files, add or delete waypoints, and plot your desired courses. Routes, tracks, and markers can also be shared and exported.