Comparison

NAUTICAL CHART SYMBOLS GUIDE vs WX Course

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NAUTICAL CHART SYMBOLS GUIDE

This app provides a comprehensive reference for nautical chart symbols and abbreviations, including international standards and supplementary national symbols. It's designed for learning, revision, and quick lookups with a searchable index and offline access.

Highlights
  • International Hydrographic Organization (IHO) symbols
  • Supplementary US and UK national symbols
  • Fully searchable index
  • Tap & Enlarge feature
  • Offline access
  • Bonus emergency tips
Features
Read full description

SYMBOLS USED ON NAUTICAL CHARTS SPECIFIED BY THE INTERNATIONAL HYDROGRAPHIC ORGANIZATION (IHO), PLUS INTERNATIONAL ABBREVIATIONS AND SUPPLEMENTARY NATIONAL SYMBOLS USED BY THE U.S. AND U.K. HYDROGRAPHIC OFFICES. >>> FULL APP — AD FREE | NO IN-APP PURCHASES | NO SUBSCRIPTION ************ FEATURES and BENEFITS ************ - Perfect for reference, learning & revision - Hi-res graphics - Tap & Enlarge feature for greater detail - Fully searchable index to all the symbols - Always with you on your iPhone or iPad - No internet connection needed ************ LATEST UPDATE INCLUDES ************ * Updated for current iPhone and iOS versions * Save frequently used chart symbols to My Chart Symbols for quicker reference * Jump back to recently viewed pages, with older pages neatly grouped in one menu * Improved favourite and Home controls for clearer, more consistent navigation * Refined layout and spacing throughout the app ************ Plus FREE Bonus Content from "Safe Skipper" ************ "CHART SYMBOLS & ABBREVIATIONS" provides quick reference to the "INT 1" symbols specified by the International Hydrographic Organization (IHO) for use on International marine charts. There are five main sections in this app, each with lettered sub-sections organized into categories to guide users through the hundreds of symbols. The main sections are: GENERAL - chart layouts, positions, distances, directions and compass. TOPOGRAPHY - landmarks, ports and coastal land features. HYDROGRAPHY - tides, currents, depths, nature of the seabed, underwater obstructions, tracks, areas, limits and hydrographic terms. NAVIGATION AIDS & SERVICES - lights, buoys, fog signals, radar, radio, services and small craft facilities. INDEX & ABBREVIATIONS - international abbreviations and index to symbols and abbreviations. SUPPLEMENTARY NATIONAL SYMBOLS Supplementary National Symbols for nautical charts used by the United States and United Kingdom are included at the end of each section. ************* FREE Bonus Content from "Safe Skipper" ***************************** A bonus section has tips on how to deal with emergencies including: Abandon ship; Dismasting; Distress Signals; Engine Failure; Fire Fighting; Flares; Getting a tow; Helicopter rescue; Holed hull; Man overboard; Medical emergency; Mayday; Panpan; Securité. INDEX The index is an A-Z of symbols and abbreviations and enables the user to quickly look up the symbols and see them in context with others in the same categories. This app is based on the United Kingdom Hydrographic Office's print publication "Chart 5011 (INT 1) EDITION 2" Admiralty Charts Publication and "Chart No.1 United States of America Nautical Chart Symbols, Abbreviations and Terms". NOTE: ECDIS symbols used to display Electronic Navigational Chart (ENC) data on Electronic Chart Display and Information Systems (ECDIS) as specified by the IHO are available in our app ELECTRONIC NAUTICAL CHART SYMBOLS & ABBREVIATIONS. We have an ongoing program of marine navigation and boating safety apps, so please contact us with any ideas or features that you would like to see included. Safe boating!

About

WX Course

This app provides GPS and compass data on your Apple Watch, displaying course, speed, latitude, longitude, and GPS accuracy. It also features a secondary screen with a real compass synchronized with course data.

Highlights
  • GPS data from iPhone
  • Course (COG)
  • Speed (SOG)
  • Latitude and longitude
  • GPS signal accuracy
  • Real compass display
Features
Read full description

WX Course is the most perfect and efficient app to have your data GPS and compass on your Apple Watch. WX Course send the next GPS data from your iPhone: - Course (COG) - Speed (SOG) - Latitud and longitude - Accuracy of GPS signal Include a second screen with a real compass with COG data for S0, S1, S2 and S4. NOTE: Continued use of GPS running in the background can dramatically decrease battery life.

Screenshots

NAUTICAL CHART SYMBOLS GUIDE4 screens
WX Course3 screens

Verdict

The call

The clearest difference is rating: WX Course at 5.0 against NAUTICAL CHART SYMBOLS GUIDE's 3.5. WX Course also leads on update cadence (every 3 months vs every 80 months) and review sentiment (75% vs 50%). NAUTICAL CHART SYMBOLS GUIDE's advantage is price ($1.99 vs $2.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

NAUTICAL CHART SYMBOLS GUIDE costs $1.99 and WX Course $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

WX Course holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 50% of NAUTICAL CHART SYMBOLS GUIDE's written reviews are positive against 75% of WX Course's.

UpkeepUpdate frequency

NAUTICAL CHART SYMBOLS GUIDE ships an update every 80 months, WX Course every 3 months. Both last shipped on November 11, 2026.

Scorecard5 real differences · 5 level
NAUTICAL CHART SYMBOLS GUIDE versus WX Course: the parameters behind the verdict, then further details
ParameterNAUTICAL CHART SYMBOLS GUIDEWX Course
Price$1.99 — better$2.99
Rating3.5 (2 ratings)5.0 (2 ratings) — better
Positive reviews50.0% of reviews75.0% of reviews — better
Number of ratings22
Update frequencyEvery 80 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS15.011.2 — better
Further details — not scored
Size41 MB26 MB
Age rating4+4+
DeveloperThe Other HatAlejandro

Customer experience

NAUTICAL CHART SYMBOLS GUIDE

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

WX Course

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

NAUTICAL CHART SYMBOLS GUIDE

No in-app purchases

None

WX Course

No in-app purchases

Questions

Is NAUTICAL CHART SYMBOLS GUIDE free?
NAUTICAL CHART SYMBOLS GUIDE costs $1.99, with no in-app purchases.
Is WX Course free?
WX Course costs $2.99, with no in-app purchases.
Which has better reviews, NAUTICAL CHART SYMBOLS GUIDE or WX Course?
WX Course is rated higher. NAUTICAL CHART SYMBOLS GUIDE averages 3.5 out of 5 from 2 ratings, while WX Course averages 5.0 from 2 ratings.
Do NAUTICAL CHART SYMBOLS GUIDE or WX Course have ads?
Neither NAUTICAL CHART SYMBOLS GUIDE nor WX Course shows ads.
Which is updated more often, NAUTICAL CHART SYMBOLS GUIDE or WX Course?
NAUTICAL CHART SYMBOLS GUIDE ships an update every 80 months, and WX Course every 3 months. Most recently, NAUTICAL CHART SYMBOLS GUIDE was updated on November 11, 2026 and WX Course on November 11, 2026.

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