Kaptan vs Marine Weather
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kaptan
This app provides real-time and predicted sea conditions for the Malta-Sicily Channel. It utilizes HF radar, satellite data, and numerical models for accurate information.
- HF radar operational data
- Satellite data integration
- Numerical model predictions
- Present sea conditions
- Predicted sea conditions
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KAPTAN is an application developed by the Physical Oceanography Research Group, Dept. of Geosciences, University of Malta, as part of the CALYPSO FO project. It uses HF radar operational data, satellite data and numerical models to provide information on the present and predicted sea conditions in the Malta-Sicily Channel. The smartphone app was developed by Think Ltd. Disclaimer: The Physical Oceanography Research Group makes every effort to ensure that information contained in this smartphone application is accurate and up to date. However, the Physical Oceanography Research Group accepts no liability and/or responsibility for the reliance placed by the users of this application on the information contained in this application or any other information accessed via this application. The information provided in this application is provided on an "as is" basis and no warranties of any kind are issued whether expressly or implied by the Physical Oceanography Research Group on the information provided. Project Coordination and Concept: Prof. Aldo Drago, University of Malta (Email: aldo.drago@um.edu.mt; Tel: 21440972)
Marine Weather
Get detailed marine weather forecasts including wind speed, wave heights, and tide information. Visualize data on maps with customizable overlays and multiple weather models. Plan your trips with route management features and access forecasts in various units.
- 3-day wind speed and direction forecasts
- Wave height and direction overlays
- Multiple weather models (GFS, ECMWF)
- Tide and current data for multiple countries
- Lake temperature maps with thermocline identification
- Customizable weather settings and map overlays
- Route management and GPX/KML import
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Marine Weather App - Wind, Waves, Lake Temperature & Tide overlays for windsurfing, kitesurfing and fishing. ►Wind Forecasts √ Wind speed and true direction forecast for 3 days at 3 hour intervals. √ Use the play back bar on top to play/pause the wind animation or go to a specific time. √ Select a specific time for wind prediction from a list √ Tap anywhere on the map to view exact wind prediction speed and direction √ Use barb notation to estimate wind speed at a point. √ Once the predictions are doenloaded they are stored offline for use. ► Wave Heights (Swell + Wind combined) and Direction √ Overlaid on a map √ Playback bar or go to a specific time. √ Highlight high wave heights in red. ► Multiple Weather Models √ GFS √ ECMWF ► Pressure (MSL) ► Precipitation ► Air Temperature ► Gust ►TIDE & CURRENTS √ For US,Canada,Germany, Norway, Netherlands, Australia & New Zealand ► Comfortable Weather Settings √ Automatically Highlight Harsh Weather Forecasts √ Weather settings are customizable based on your preferences. ► Weather Map Overlays √ All forecast variables can be overalaid on the map. ► Lake Temperature Maps √ Accurate to 1 degree fahrenheit (0.5 degree celsius). √ Maps are color coded making it easy to identify lines where the temperature variation starts √ Easy to identify warm thermoclines (to find the best fishing spots) √ Actual temperature text can be toggled on demand √ The application supports showing temperatures in Fahrenheit, Celsius and Kelvin ► Forecast in multiple units √ Wind speed in knots, mph and kph √ Wave height in feet, meter or fathom √ Temperatures in celsius, farenheit and kelvin √ Pressure in Pa, millibar, mmHG, inchHG √ Precipitation in inches, mm ►ROUTE MANAGEMENT / TRIP PLANNING √ Create New Route/Edit Existing Routes √ Move Points √ Add points to an existing route leg √ Delete / Rename points √ Import GPX,KML & KMZ files √ Plot/Edit Routes √ Enter Waypoints √ Share/Export Routes,Tracks&Markers
Screenshots
Verdict
The clearest difference is update cadence: Kaptan at weekly against Marine Weather's every 7 months. Marine Weather's advantage is iOS requirement (12.0 vs 15.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Kaptan ships an update weekly, Marine Weather every 7 months. Both last shipped on October 24, 2026.
| Parameter | Kaptan | Marine Weather |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (10 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 10 — better |
| Update frequency | Weekly — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Think Design Limited | Bist LLC |
Customer experience
Kaptan
Marine Weather
In-app purchases
Kaptan
No in-app purchases
Marine Weather
No in-app purchases
Questions
Is Kaptan free?
Is Marine Weather free?
Do Kaptan or Marine Weather have ads?
Which is updated more often, Kaptan or Marine Weather?
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