Marine Instruments icon
RigCheck — Rigging Inspector icon
Serenity: Sleep & Focus icon
+6

Stolk.cc

For long-distance sailors, maritime professionals, and individuals seeking structured habit and ritual management.

9apps0.0 Multi-theme

Snapshot

Who is Stolk.cc?

Providing specialized navigation, weather, and maintenance tools for maritime professionals and long-distance sailors. Supporting personal habit tracking through focused, ritual-based digital utilities.

Target audience

Long-distance sailorsMaritime professionalsIndividuals seeking structured habit

Top rival

Windfinder

Other rivals

Portfolio

Free 2
9
apps
Navigation3
Health & Fitness2
Weather2
Lifestyle1

Last updated

Marine Instruments

v1.0

10mo ago

Intense

Publisher DNA

What defines Stolk.cc?

Publisher DNA

Primary focus

Maritime navigation and utility tools

Scale

indie

Target audience

Long-distance sailors, maritime professionals, and individuals seeking structured habit and ritual management.

Signature Patterns

  • •Consistent paid-only pricing model across all titles
  • •High-utility, task-specific functionality for niche professional or lifestyle needs
  • •Strong focus on data-driven interfaces for maritime and weather monitoring
  • •Rapid, consistent release and update cadence across the entire portfolio
Intense

Portfolio momentum

Released 9 updates across 9 apps in the last 6 months, indicating a high-frequency development cycle across their entire portfolio.

Last release 27d agoActive apps 9

Portfolio

What does Stolk.cc ship?

Rivals

Who does Stolk.cc compete with?

The rivals identified

Nemeses(3)

NavX Studios

known foriNavX: Marine Navigation

1 app4.8Navigation

Both applications target recreational sailors with marine navigation and weather forecasting tools, creating direct competition for voyage planning software.

Sergio Guaita

known forMarine meteorology

1 app3.0Weather

Both apps target maritime weather education, but WindScope focuses on interactive chart analysis while Marine meteorology provides a static multimedia reference guide.

SOFT4SAIL

known forNavimetriX - Weather routing

1 app0.0Weather

NavimetriX targets the same recreational and offshore boating audience as Marine Instruments, competing directly for screen time by offering integrated weather routing and navigation charts.

Contenders(2)

Bist

known fori-Boating: Marine Charts & Gps

1 app4.5Navigation

Both apps target recreational sailors requiring tidal and current data for voyage planning, creating direct competition for navigation utility.

Navtech Software

known foriStreams North Sea (s)

3 apps0.0Navigation

Both apps target North Sea sailors with tidal current visualization tools, creating direct competition for voyage planning and navigation utility.

Same space(36)

Windfinder

known forWindfinder: Wind & Weather map

2 apps4.7WeatherNavigation

Provides a global network of weather stations and wind-specific forecasting essential for sailing and maritime activities.

MeteoLab

known forRain Viewer: Weather Radar Map

1 app4.2Weather

Provides live radar and rainfall totals that help sailors track precipitation intensity in real time.

Neave Interactive

known forZoom Earth - Weather Forecast

2 apps4.7Weather

Provides historical satellite imagery that offers a reference point for weather patterns beyond current telemetry.

PredictWind

known forPredictWind — Marine Forecasts

2 apps4.8Weather

Marine navigation and forecasting tool that serves the same professional sailing audience as WindScope.

Windy Weather World

known forWindHub: Sailing Weather

2 apps4.7NavigationWeather

Marine dashboard that targets the same sailing and fishing audience as WindScope with specialized nautical overlays.

Windyty, SE

known forWindy.com

2 apps4.7Weather

Professional-grade visualization tool that provides the multi-model analysis WindScope users need for complex maritime planning.

Accurate Weather Forecast & Weather Radar Map

known forWeather forecast

1 app4.3Weather

Supports offline-first forecast access, which provides a critical utility for remote sailors without constant connectivity.

ACME AtronOmatic

known forMyRadar Weather Radar

1 app4.8Weather

Offers specialized aviation data layers and hyper-local alerts that provide situational awareness for outdoor professionals.

Alpred, S.L.

known forMeteored - Weather Radar

1 app4.7Weather

Provides localized alerts and forecasts that serve as a general weather reference for WindScope users.

Deep Orbit

known forTiempo, Radar Lluvia y Alertas

1 app4.7Weather

Offers real-time radar and storm tracking that serves as a supplementary safety tool for boaters.

Enjoy Life Studio

known forLocal Weather:Weather Forecast

1 app4.8Weather

Provides basic atmospheric pressure data that overlaps with the barometer functionality in Marine Instruments.

Exovoid Sàrl

known forWeather XL PRO

1 app4.3Weather

Provides detailed historical weather values that help users assess environmental trends over time.

HealthTracker Apps

known forWeather Live - Radar & Alerts

1 app4.3Weather

Includes a hurricane tracker and earthquake warning system that provides safety-critical environmental data.

Igoox

known forNautide: Tides, Wind, Waves +

2 apps4.4Weather

Targets the same maritime segment as WindScope by providing tide and wave data for sailors and fishermen.

JuXin

known forWeather: Live Forecast & Radar

1 app0.0Weather

Offers granular environmental insights that complement the sensor-driven dashboard of Marine Instruments.

Lakehorn AG

known forAeroWeather Pro

1 app4.6Weather

Aviation-focused weather data that serves a similar high-precision, professional user base as WindScope.

LW Brands

known forMarine Weather Forecast Pro

2 apps4.7Navigation

Marine Weather Forecast Pro provides a higher-fidelity data set for the same maritime sector, synthesizing multi-model simulations for professional-grade navigation.

MACHAPP Software

known forTransparent clock and weather

1 app4.2Weather

Provides interactive radar maps that assist with tracking storm movement relative to a vessel's location.

Magic Snail

known forWeatherly:Forecast&Radar

1 app3.3Weather

General weather utility that provides basic conditions for daily life, lacking the specialized maritime depth of WindScope.

Meteo365

known forMountain-Forecast.com

1 app4.8Weather

Specialized high-altitude forecasting that shares WindScope's focus on precise, location-specific environmental data.

meteoblue

known formeteoblue weather & maps

1 app4.8Weather

High-precision forecasting tool that provides the detailed meteorological data WindScope users need for remote environments.

meteoblue AG

known forWeather forecast & live radar

1 app4.7Weather

Utilizes high-resolution post-processing to provide meteorological data at a 10-metre resolution for professional use.

MeteoLab

known forRainViewer: Live Weather Radar

1 app4.6Weather

High-resolution precipitation tracking that acts as a supplementary tool for WindScope users monitoring storm movements.

MeteoSwiss

known forMeteoSwiss

1 app4.3Weather

Authoritative regional weather source that provides altitude-specific data relevant to mountain-based maritime or outdoor activities.

Microsoft

known forMSN Weather - Forecast & Maps

1 app4.1Weather

Offers cross-platform synchronization that allows users to track weather across multiple locations consistently.

Mosaic S.r.l.

known forClime: NOAA Weather Radar Live

2 apps4.5Weather

Professional-grade radar utility that provides the high-accuracy monitoring required by WindScope's safety-conscious audience.

Navico Norway AS

known forC-MAP: Boating

1 app3.6Navigation

C-MAP provides broader navigation utility for the same recreational boating audience, though it relies on subscription-gated charts rather than the localized tidal focus of Stroomatlas.

Pipi Chick Studio

known forNOAA Marine Weather & Forecast

1 app4.6Navigation

Marine Weather targets the same recreational water users as Stroomatlas, focusing on real-time buoy data to inform sailing and boating decisions.

RODRIGUEZCASTILLO FABIOLA

known forWeather Forecast - Live Alerts

1 app4.0Weather

Offers severe weather alerts that act as a secondary safety notification system for users at sea.

Surfline/Wavetrak

known forSurfline: Wave & Surf Reports

1 app4.7Weather

Serves the same maritime audience as WindScope but focuses on surf-specific conditions via camera networks.

The Weather Radar

known forWeather Radar: Live Storm Map

1 app4.4Weather

Provides Doppler tracking that offers high-definition storm monitoring for users in vulnerable regions.

TOH Talent Team

known forWeather Forecast

1 app4.6Weather

Provides hourly granularity that supports daily planning for outdoor workers and casual users.

Ventusky

known forVentusky: Weather Forecast

1 app4.7Weather

Provides altitude-stratified data and multi-model fusion that serves the high-precision needs of marine professionals.

Ventusky s.r.o.

known forVentusky: Weather Forecast

1 app4.8Weather

Offers advanced meteorological visualization that complements WindScope's educational focus on pressure charts.

Weather Underground

known forWeather data & microclimate :

1 app4.7Weather

Provides hyperlocal weather data from personal stations that improves accuracy for specific coastal microclimates.

Visual tracking tool that provides coastal data for beach-goers and professional drivers, overlapping with WindScope's maritime focus.

New entrants(4)

Camp Hubs

known forDaily Weather Forecast: Live

1 app0.0Weather

Provides real-time updates on wind speed and precipitation probability for planning outdoor activities.

Chavazoem Potenutme

known forLive Weather: Forecast & Radar

1 app0.0Weather

Provides detailed metrics like pressure and wind speed that complement the telemetry features of Marine Instruments.

The App Tower

known forWeather Forecast

1 app0.0Weather

General weather utility providing minute-by-minute precipitation data for daily activity planning.

Turbli AB

known forTurbli+

1 app5.0Weather

Specialized turbulence forecasting for travelers, sharing WindScope's focus on niche environmental data for specific activities.

The Analyst's Read

The bottom line on Stolk.cc

Bottom line

Stolk.cc is a highly active indie developer that has successfully carved out a technical niche in maritime utilities. Their disciplined focus on paid, high-utility tools provides a stable foundation, though their recent expansion into lifestyle habit-tracking remains a secondary growth experiment.

Frequently asked questions

How many apps does Stolk.cc publish?
Stolk.cc has 9 apps tracked by Marlvel, primarily in the Navigation category.
What kind of apps does Stolk.cc make?
Stolk.cc's portfolio is concentrated in Navigation and Health & Fitness, with an average rating of 0.0/5 across rated apps.
What is Stolk.cc's top app?
By review volume across the portfolio, Marine Instruments is Stolk.cc's best-known app tracked by Marlvel.

What fed this analysis

Apps analyzed:
9
With full intel:
0
With overview:
9
Website scraped:
yes
Social presence:
no

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 Stolk.cc, 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. “Stolk.cc intelligence.” Updated 2026-05-07. https://marlvel.ai/publishers/stolk-cc

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Data licensed under CC-BY-NC 4.0