Weather4D Lite icon
Weather4D Routing icon
Weather4D Routing & Navigation icon

APP4NAV

For professional and recreational sailors and maritime navigators who require precise, performance-based routing and real-time weather analysis.

3apps3.3(9)Weather

Snapshot

Who is APP4NAV?

Providing specialized maritime navigation and weather-based routing tools for sailors. Enabling safer, performance-optimized voyages through integrated meteorological data.

Target audience

ProfessionalRecreational sailorsMaritime navigators who require precise

Top rival

Deep Orbit B.V.

Other rivals

Portfolio

3
apps
Weather3

Last updated

Weather4D Routing & Navigation

v2.0.94

1.7y ago

Maintenance

Publisher DNA

What defines APP4NAV?

Publisher DNA

Primary focus

Maritime navigation and weather forecasting tools

Scale

indie

Target audience

Professional and recreational sailors and maritime navigators who require precise, performance-based routing and real-time weather analysis.

Origin

Founded by a team of software and electrical engineers with a background in sailing, including trans-Atlantic experience.

Signature Patterns

  • •Strictly paid pricing model across all titles
  • •Focus on high-fidelity GRIB data visualization and processing
  • •Integration with onboard maritime sensors and instruments
  • •Emphasis on offline functionality for offshore use
Maintenance

Portfolio momentum

With zero releases in the last six months and one abandoned title, the publisher is currently in a maintenance phase for its existing maritime toolset.

Active apps 0Abandoned 1

Portfolio

What does APP4NAV ship?

Apps

Tightly focused on 2 markets (France, United States).

Based on 2 of 3 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States2 / 2

Europe (1)

  • France2 / 2

Core markets (2/2 apps)

FranceUnited States

Rivals

Who does APP4NAV compete with?

The rivals identified

Nemeses(2)

Alpred, S.L.

known forMeteored - Weather Radar

1 app4.7Weather

Meteored serves general users seeking official alerts, whereas Weather4D targets specialized maritime navigation.

Good To Forecast

known forUAV Forecast for Drone Pilots

1 appWeather

Both applications provide specialized weather-integrated routing and safety alerts for outdoor navigation, targeting users who require high-precision environmental data for hardware-specific operations.

Contenders(12)

Ventusky s.r.o.

known forVentusky: Weather Forecast

1 app4.8Weather

Both apps target users requiring high-precision weather data for planning, though Weather4D focuses on maritime routing while Ventusky provides broad meteorological visualization.

Windyty, SE

known forWindy.com

1 app4.7Weather

Both applications target sailors and outdoor professionals who require marine-specific weather data and routing analysis for their operations.

DTN Germany

known forWeatherPro

1 app3.4Weather

WeatherPro offers general environmental metrics for outdoor planning, lacking the specific maritime sensor integration of Weather4D.

Photo & Video Editors - Instant Solution

known forWeather Hi-Def Radar Forecast

1 app4.6Weather

Both apps compete for users requiring weather-based decision support, though they diverge between maritime navigation and general radar monitoring.

PredictWind

known forPredictWind — Marine Forecasts

2 apps4.8Weather

Both applications target maritime navigation and weather-based routing, forcing users to choose between Weather4D's instrument-integrated navigation and PredictWind's proprietary multi-model forecasting.

wetter.com

known forweather 24: Forecast & Radar

1 app4.6Weather

This app offers general weather monitoring, lacking the specialized maritime navigation and sensor integration found in Weather4D.

Windfinder

known forWindfinder: Wind & Weather map

1 app4.7Weather

Both apps target the maritime and outdoor sports market with weather-based decision support, creating direct competition for users who require precise wind and wave data for navigation.

Windy Weather World

known forWindHub: Sailing Weather

2 apps4.7Weather

Both applications target the same maritime audience for weather-informed navigation, though Weather4D focuses on routing calculations while WindHub prioritizes weather dashboarding and harbor contact.

Contrast

known forWeather Up + AccuWeather Data

1 app4.5Weather

Both apps compete for users seeking weather forecasting, though Weather4D Lite targets maritime navigation with GRIB data while Weather Up focuses on general consumer widget access.

LW Brands

known forMarine Weather Forecast Pro

1 app4.7Weather

Both apps target professional and recreational mariners, competing for the same user base by providing meteorological data for maritime safety.

Matej Kepes

known forBeamback: GRIB Weather

1 app0.0Weather

Both apps target marine navigators requiring GRIB weather data, but they differ in their primary delivery mechanism: Weather4D Lite focuses on detailed 3D visualization, while Beamback targets satellite-text-based offline retrieval via ZOLEO.

WeatherFlow

known forFishWeather: Marine Forecasts

2 apps4.7Weather

FishWeather provides hyper-local marine data via proprietary sensors, serving as a high-accuracy reference for Weather4D's maritime users.

Same space(33)

Mosaic S.r.l.

known forClime: NOAA Weather Radar Live

2 apps4.5Weather

This app focuses on high-resolution radar, serving as a safety-oriented utility that complements the navigation tools in Weather4D Lite.

Neave Interactive

known forZoom Earth - Weather Forecast

2 apps4.7Weather

Zoom Earth provides satellite-first visualization for storm trackers, complementing Weather4D's routing by offering historical weather context.

RODRIGUEZCASTILLO FABIOLA

known forWeather Forecast - Live Alerts

1 app4.0Weather

This app focuses on general severe weather alerts, lacking the professional routing and instrument connectivity required for offshore navigation.

Weather 365 Days

known forWeather Forecast & Live Radar

1 app4.7Weather

This app provides general weather planning, lacking the specialized maritime navigation and sensor integration found in Weather4D.

Fillog Studio

known forWeather Forecast, Live Radar

1 app4.5Weather

This app focuses on visual radar tracking, offering a simplified alternative to the complex 3D HD GRIB layers in Weather4D Lite.

Surfline/Wavetrak

known forFishTrack - Charts & Forecasts

2 apps4.7Weather

FishTrack provides oceanographic data for anglers, serving as a specialized marine planning tool that complements Weather4D's navigation.

Weather Forecast - WaiWao Studio

known forWeather Forecast: Live Weather

1 app4.8Weather

This app offers general-purpose weather observations, lacking the professional-grade GRIB data visualization required by Weather4D Lite users.

Weather & Radar provides specialized coastal modules that overlap with Weather4D's maritime audience, though it lacks the professional routing engine.

1 Bit

known forWeather Forecast Accurate Info

1 app4.5Weather

This app provides general weather data for Android users, lacking the specialized maritime navigation features of Weather4D Routing.

7th Gear

known forTide Charts

1 app4.8Weather

Tide Charts provides essential coastal data for mariners, acting as a supplementary utility to Weather4D's navigation suite.

Accurate Weather Forecast & Weather Radar Map

known forWeather forecast

1 app4.3Weather

This app offers wearable integration for general users, while Weather4D Routing is built for specialized maritime navigation and routing.

AccuWeather International

known forAccuWeather: Weather Forecast

1 app4.6Weather

This app provides mass-market hyperlocal forecasts, serving as a general-purpose utility rather than a specialized maritime navigation tool.

Adventure Walkers

known forAuroraMe: Northern Lights App

1 appWeather

This app focuses on aurora forecasting, serving as a niche environmental utility compared to the broad maritime navigation scope of Weather4D Lite.

Aviation Data Systems

known forMyRadar Accurate Weather Radar

1 app4.8Weather

MyRadar provides immediate radar snapshots for general users, while Weather4D integrates these data types into a dedicated maritime navigation workflow.

AvnTech

known forWeather Plus: Radar & Forecast

1 app4.2Weather

This app offers general radar and forecasting, lacking the professional maritime routing and instrument integration of Weather4D.

BoatUS

known forBoatUS - Boat Weather & Tides

1 app4.8Weather

BoatUS combines emergency services with marine weather, serving as a critical safety companion to Weather4D's navigation tools.

Condor Digital

known forTide Guide: Charts & Tables

1 app4.8Weather

Tide Guide provides marine-specific data for Apple users, overlapping with the coastal planning needs of Weather4D users.

Convenient & Easy Apps

known forWeather Forecast

1 app4.6Weather

This app provides general weather forecasts for casual planning, lacking the advanced maritime navigation features of Weather4D Routing.

Enjoy Life Studio

known forLocal Weather:Weather Forecast

1 app4.8Weather

This app provides generic local weather data, serving as a mass-market alternative to the specialized maritime navigation focus of Weather4D Lite.

ForeFlight

known forForeFlight Mobile EFB

1 app4.4Weather

ForeFlight is a comprehensive EFB for pilots, serving as a professional-grade alternative to Weather4D for aviation navigation.

Go Dreams

known forDrone App: Forecast for UAV

1 app4.4Weather

Drone Forecast provides altitude-specific wind data, serving as a specialized aviation-weather tool distinct from Weather4D's maritime focus.

ILMETEO srl

known forTheWeather: weather forecast

1 app3.9Weather

This app provides general weather forecasts for casual users, lacking the specialized maritime performance modeling of Weather4D Routing.

KUCO Apps

known forWeather Live: Weather Forecast

1 app4.5Weather

This app provides general weather monitoring for casual users, whereas Weather4D Routing is designed for professional maritime route planning.

KX Camera Team

known forWeather Forecast

1 app4.3Weather

This app provides general weather information for daily convenience, whereas Weather4D Routing is a specialized tool for maritime navigation.

Meteo365

known forMountain-Forecast.com

1 app4.8Weather

Mountain-Forecast.com serves high-altitude outdoor planning, sharing the offline-first requirement of Weather4D but for a different terrain.

meteoblue

known formeteoblue weather & maps

1 app4.8Weather

Meteoblue offers high-precision forecasting for diverse environments, serving as a data-heavy alternative to Weather4D's navigation-centric suite.

meteoblue AG

known forWeather forecast & live radar

1 app4.7Weather

This app provides high-precision meteorological data for professionals, overlapping with the accuracy requirements of Weather4D Routing users.

Microsoft

known forMSN Weather - Forecast & Maps

1 app4.1Weather

This app provides general multi-location tracking for commuters, lacking the specialized maritime performance modeling of Weather4D Routing.

Rivolu

known forTide Alert (NOAA) - Tide Chart

1 app4.8Weather

Tide Alert provides NOAA-sourced marine data, serving as a specialized reference tool for Weather4D's maritime user base.

TOH Talent Team

known forWeather Forecast

1 app4.6Weather

This app targets casual users and outdoor workers, contrasting with Weather4D Routing's focus on professional-grade maritime route optimization.

WeatherBug

known forWeatherBug: Weather Forecast

1 app4.8Weather

This app provides safety-focused lightning tracking for outdoor professionals, whereas Weather4D Routing focuses on maritime navigation and performance modeling.

weawow

known forWeather & Widget - Weawow

2 apps4.9Weather

This app provides multi-source forecast comparison for enthusiasts, whereas Weather4D Routing focuses on boat-specific performance and routing.

WetterOnline

known forWeather & Radar Forecast

1 app4.8Weather

This app serves the general commuter audience, contrasting with Weather4D Routing's professional maritime focus by prioritizing hyper-local alerts over boat-specific performance modeling.

New entrants(3)

Deep Orbit B.V.

known forWeather & Rain Radar Forecast

1 app5.0Weather

This app offers general rain radar and forecasting, lacking the professional maritime routing and instrument integration of Weather4D.

The App Tower

known forWeather Forecast

1 app0.0Weather

This app provides general weather forecasting, lacking the specialized maritime navigation and sensor integration found in Weather4D.

Vulcan-Forge

known forWeather Forecast: Live Radar

1 app0.0Weather

This app provides general weather monitoring for daily plans, whereas Weather4D Routing focuses on specialized maritime navigation.

The Analyst's Read

The bottom line on APP4NAV

Bottom line

APP4NAV is a specialized developer with a clear, defensible niche in maritime navigation. Their focus on high-utility, paid professional tools creates a stable, albeit low-growth, product ecosystem.

Frequently asked questions

How many apps does APP4NAV publish?
APP4NAV has 3 apps tracked by Marlvel, primarily in the Weather category.
What kind of apps does APP4NAV make?
APP4NAV's portfolio is concentrated in Weather, with an average rating of 3.3/5 across rated apps.
What is APP4NAV's top app?
By review volume across the portfolio, Weather4D Routing & Navigation is APP4NAV's best-known app tracked by Marlvel.
In how many countries are APP4NAV's apps available?
Marlvel has tracked APP4NAV's apps across 2 countries.

What fed this analysis

Apps analyzed:
3
With full intel:
0
With overview:
3
Website scraped:
yes
Social presence:
yes

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by APP4NAV, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “APP4NAV intelligence.” Updated 2026-05-08. https://marlvel.ai/publishers/app4nav

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Data licensed under CC-BY-NC 4.0