Comparison

Imray Navigator vs Ocean Signal

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

Head to head
About

Imray Navigator

This marine chart plotter provides nautical charts for various sea activities. Plan passages, create routes, and share tracks. Offers GPS, tides, and AIS integration for comprehensive navigation.

Highlights
  • Nautical charts from Imray and other publishers
  • Passage planning and route creation
  • Share tracks and waypoints
  • GPS and instrument integration
  • Tides and AIS functionality
  • Quarterly chart updates
Features
Read full description

Imray's marine chart plotter for sailors, divers, canoeists, fishermen and anyone involved with making way at sea. Nautical charts by Imray and other publishers Easy to use for passage planning and route creation Keep up to date with new chart subscriptions for the latest data Plan your routes and share tracks and waypoints with your crew or friends Based on the award-winning Marine Imray Charts app Technical support for this app is available to subscribers. Email support@imray.com FEATURES - Award winning raster charts from Imray and other Hydrographic Offices - Auto-renewable 12-month subscription includes quarterly updates with new chart editions, notes and corrections. - Waypoints - Routes: distances, targets, bearings - Position and destination - Course to steer, speed and bearing - Magnetic compass - Distances, bearings from any point to any point - Electronic bearing line - GPS and instruments - Tides with full functionality from Tides Planner app - AIS and NMEA functionality from Boat Instruments app - Aerial photographs (subject to coverage) and harbour plans - Tracks that you can share with friends Download Chart Sets from the Chart Store in the app. Warning: Continued use of WiFi and of GPS running in the background can dramatically decrease battery life. COVERAGE (CHART SETS) Tap on the i icon in the Chart Store in the free app to see more detail of coverage areas. Imray Charts free app: English Channel passage charts. Imray ID10 North Sea Imray ID20 English Channel England and France. Imray ID30 West coast England, Wales, west coast Scotland, Ireland. Imray ID40 Atlantic France, Iberia and Atlantic Islands. Imray ID50 Western Mediterranean. Gibraltar to Sicily. Imray ID60 Central Mediterranean. Adriatic and Ionian Seas. Imray ID70 Eastern Mediterranean and Aegean Seas. Imray ID80 Netherlands Imray ID100 Eastern Caribbean. Virgin Islands to Grenada and Barbados. Also chart sets derived from official Hydrographic Office charts of Germany, France and the Netherlands. Tides - inherits permissions (beyond one day predictions) from the Tides Planner app if installed on the same device. LANGUAGES English, Dutch, French, German, Italian and Spanish SUBSCRIPTIONS TO CHART SETS Before taking out a subscription to Imray Navigator chart sets, please check that your device meets the minimum operating system requirements (Apple iPhone and iPad running iOS8 and higher). A subscription to a Chart Set covers a 12 month period from the date of purchase. During this period, you will receive 3 further quarterly updates, which will include new chart editions, notes and corrections/updates for that area where available from the publishers. Your subscription will automatically renew unless auto-renew is turned off in your Account Settings at least 24-hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current subscription period. The cost of the renewal is the same as your current yearÕs subscription. You can manage your subscription and you may switch off auto-renewal by going to your Account Settings in iTunes after purchase. PRICES AND PAYMENTS The price of a year's subscription is indicated in the Chart Store section of the app. The price of your Imray Navigator subscription will be charged to your iTunes account at confirmation of purchase. Any unused portion of a free trial period, if applicable, will be forfeited when the user purchases a subscription to that Chart Set. Manage your subscription in iTunes after purchase. Privacy policy https://www.imray.com/privacy Terms and Conditions of use https://www.imray.com/terms ABOUT US Imray is the leading publisher of nautical charts, books and apps. Our charts, designed and published in England, feature popular, carefully edited and award-winning cartography. Twitter @imray_charts Facebook @imraynautical

About

Ocean Signal

Access critical information for emergency beacons and live data from Class B AIS devices. Utilize NFC for PLB, EPIRB, and MOB details, including battery status and test results. Configure settings and view live AIS targets via WiFi connection.

Highlights
  • Emergency beacon information access
  • Live Class B AIS data
  • NFC for PLB/EPIRB/MOB details
  • Battery condition and test results
  • Change MOB settings
  • WiFi connection for ATB1 AIS
  • Vessel detail configuration
Features
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The Ocean Signal App allows easy access to Emergency PLB/EPIRB/MOB information as well as live information from your Class B AIS. NFC (Near Field Communication) allows access to PLB, EPIRB and MOB details where operation time, Battery condition and test results can be easily checked and displayed on a mobile device. You can even change settings for your MOB's like adding a MMSI without turning the product on! The use of NFC ensures that maximum battery capacity can be ensured giving you confidence that a Beacon will give maximum performance when required in an emergency situation. WiFi connection to the Ocean Signal ATB1 gives access to live AIS target data along with status and performance details, as well as test and Ownership details for Distress Beacons. Initial configuration with vessel details for the ATB1 Class B AIS is also carried out via the WiFi connection.

Screenshots

Imray Navigator4 screens
Ocean Signal4 screens

Verdict

The call

The clearest difference is rating: Ocean Signal at 5.0 against Imray Navigator's 1.0. Ocean Signal also leads on in-app purchases (none vs 12) and review sentiment (40% vs 20%). Imray Navigator's advantage is ratings volume (7 vs 1) and iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support 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

Both are free to download. Imray Navigator sells 12 in-app purchases, starting at $37.99 per year. Ocean Signal asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Ocean Signal holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Imray Navigator has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of Imray Navigator's written reviews are positive against 40% of Ocean Signal's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

Scorecard6 real differences · 4 level
Imray Navigator versus Ocean Signal: the parameters behind the verdict, then further details
ParameterImray NavigatorOcean Signal
PriceFreeFree
Rating1.0 (7 ratings)5.0 (1 ratings) — better
Positive reviews19.6% of reviews40.0% of reviews — better
Number of ratings7 — better1
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size167 MB116 MB
Age rating4+4+
DeveloperFB Imray Laurie Norie & Wilson GmbHOcean Signal Limited

Customer experience

Imray Navigator

All ratings7 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews46 reviews
Positive19.6%
Neutral8.7%
Negative71.7%

Ocean Signal

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

In-app purchases

12 purchases

Imray Navigator

Subscriptions12
  • SHOM1 Biscay$37.991 Year
  • SHOM2 Med France & Corsica$37.991 Year
  • NL1800 Netherlands$37.991 Year
Show 9 more
  • Imray ID10 North Sea yearly subscription$39.991 Year
  • Imray ID20 English Channel yearly subscription$39.991 Year
  • Imray ID40 Atlantic France, Iberia and Atlantic Islands yearly subscription$39.991 Year
  • Imray ID50 West Mediterranean yearly subscription$39.991 Year
  • Imray ID60 Central Mediterranean yearly subscription$39.991 Year
  • Imray ID70 East Mediterranean yearly subscription$39.991 Year
  • Imray ID100 East Caribbean yearly subscription$39.991 Year
  • Imray ID30 West Britain and Ireland yearly subscription$39.991 Year
  • SHOM3 North France$44.991 Year
None

Ocean Signal

No in-app purchases

Questions

Is Imray Navigator free?
Imray Navigator is free to download, with in-app purchases available.
Is Ocean Signal free?
Ocean Signal is free to download, with no in-app purchases.
Which has better reviews, Imray Navigator or Ocean Signal?
Ocean Signal is rated higher. Imray Navigator averages 1.0 out of 5 from 7 ratings, while Ocean Signal averages 5.0 from 1 ratings.
Do Imray Navigator or Ocean Signal have ads?
Neither Imray Navigator nor Ocean Signal shows ads.
Which is updated more often, Imray Navigator or Ocean Signal?
Imray Navigator ships an update every 2 months, and Ocean Signal every 2 months. Most recently, Imray Navigator was updated on September 21, 2026 and Ocean Signal on September 10, 2026.

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