All Units icon
CoNav icon
CVoyager icon
+6

Vladyslav Yarmak

For maritime deck officers, professional navigators, and Swift developers requiring specialized technical calculation and design tools.

Known forCoNav
9apps1.5(8) Multi-theme

Snapshot

Who is Vladyslav Yarmak?

Providing specialized navigation and technical utility tools for maritime professionals and developers. Streamlining complex calculations and workflows through focused, task-specific mobile applications.

Target audience

Maritime deck officersProfessional navigatorsSwift developers requiring specialized technical calculation

Top rival

LW Brands

Other rivals

Portfolio

Free 6
9
apps
Utilities3
Navigation2
Photo & Video2
Developer Tools1

Last updated

CoNav

v2.6.2

7mo ago

Maintenance

Publisher DNA

What defines Vladyslav Yarmak?

Publisher DNA

Primary focus

Maritime navigation and technical utility tools

Scale

indie

Target audience

Maritime deck officers, professional navigators, and Swift developers requiring specialized technical calculation and design tools.

Signature Patterns

  • •Focus on high-utility, task-specific tools for professional or technical users.
  • •Mixed monetization strategy including both paid and free models.
  • •Integration of complex algorithms (e.g., A* pathfinding, astronomical calculations) into mobile interfaces.
  • •Minimalist UI design tailored for functional, field-based use.
Maintenance

Portfolio momentum

With 9 apps and limited recent release activity, the portfolio is currently in a maintenance phase focused on supporting existing niche tools.

Last release 0d agoActive apps 9

Portfolio

What does Vladyslav Yarmak ship?

Apps

9 apps analysed

CoNav icon
CoNav

Compass Error Calculation

3.8(5)

Specialized astronomical models provide professional-grade precision

  • Offline-first calculation engine removes connectivity dependency
  • Application crashes immediately upon hitting the calculate button after entering user data inputs

Automated media export simplifies post-ride workflows

  • Hardware-button integration reduces friction in cold-weather environments

Single-market publisher, every app ships only to United States.

Based on 2 of 9 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States2 / 2

Core markets (2/2 apps)

United States

User Sentiment

How do users feel about their apps?

0

Positive apps

0

Neutral / mixed

1

Negative apps

10/100

Avg sentiment score

Rivals

Who does Vladyslav Yarmak compete with?

The rivals identified

Nemeses(3)

Borys Havruliak

known forMaritrack Marine Traffic: Data

1 app0.0Navigation

Monitors maritime traffic and vessel positions, serving as a situational awareness tool.

Navico Norway AS

known forC-MAP: Boating

1 app3.6Navigation

Both applications target maritime navigation, with CVoyager focusing on professional route planning and C-MAP addressing recreational boating through shared navigation and routing utility.

Christian Munoz

known forTrue Wind

1 app5.0Utilities

True Wind targets the same sailing audience as Sea Breeze by offering real-time wind calculations and sail angle visualizations, directly challenging the manual-input utility model.

Contenders(14)

Flytomap

known forAIS Maps: Marine & Lake charts

2 apps4.7Navigation

Both applications target maritime navigation, with CVoyager focusing on route planning and AIS Maps providing real-time vessel tracking and map visualization.

Giacomo Gabriele

known forNautical Calculator Pro

1 app3.3NavigationUtilities

Both applications target maritime professionals with specialized navigation calculation tools, creating direct competition for the same user base.

MiraTrex

known forPRO CHARTS - Marine Navigation

1 app4.5Navigation

Both applications target the maritime navigation market, competing for users who require route planning and location tracking tools.

NavX Studios

known foriNavX: Marine Navigation

1 app4.8Navigation

Both applications target maritime navigation, competing for the same user base of sailors and boaters through overlapping route planning and scheduling functionality.

Nobeltec

known forTZ iBoat – Marine Navigation

1 app4.7Navigation

Both applications target maritime professionals and enthusiasts, competing directly on route planning and navigation utility within the marine sector.

Orca Technologies AS

known forOrca: Boat GPS, Charts, Routes

1 app3.9Navigation

Both applications target boaters and maritime professionals with route planning and navigation tools, creating direct competition for users seeking efficient sea travel.

Adam Harvey

known forApparent Wind Calculator

1 app0.0Utilities

Both apps serve the nautical wind calculation market, with Sea Breeze priced at $0.29 and the rival at $0.99.

Amni

known forNOAA Nautical Charts & Map

1 app3.3Navigation

Both applications target maritime navigation, with CVoyager focusing on automated route planning and the rival providing access to official NOAA chart imagery.

Aviation Mobile Apps

known forNautical Calculator

1 app3.3Navigation

Nautical Calculator competes for the same professional mariner audience by offering a broad suite of celestial navigation tools and reference materials. Both apps target the same user base of professional mariners and sailors requiring mobile access to navigation calculations.

Bist

known fori-Boating: Marine Charts & Gps

2 apps4.5Navigation

Both applications target maritime navigation, with i-Boating capturing a broader audience of recreational boaters through specialized chart data and voice-guided navigation.

NV Chart Group

known forNV Charts GPS Navigation AIS

1 app3.2Navigation

Both applications target maritime navigation, creating direct competition for professionals and sailors requiring route planning and chart data.

Oleksandr Kuzmychov

known forCOLREG

1 app0.0Navigation

Both apps target professional mariners and deck officers, competing for limited screen time during maritime operations through specialized navigation and safety reference tools.

Paulina Praciak

known forTrue Wind Pro: Wind Calculator

1 app0.0Utilities

Both apps target mariners requiring true wind calculations, but True Wind Pro provides hardware-integrated sensor data and training tools that Sea Breeze lacks. The rival competes directly by offering a free, feature-rich alternative to the manual-input model of Sea Breeze.

Umar Sohail

known forMarine Traffic - Ship Position

1 app4.7Navigation

Both applications target maritime professionals and enthusiasts, competing for screen time on devices used to monitor vessel activity and navigation.

Same space(47)

LW Brands

known forMarine Weather Forecast Pro

3 apps4.7NavigationUtilities

Synthesizes complex multi-model simulations and satellite imagery for professional-grade maritime navigation.

savvy navvy

known forSavvy Navvy Boating Navigation

1 app4.7Navigation

Offers a direct alternative for recreational sailors by integrating charts, weather, and tides.

ANTON NIKITIN

known forMarine Weather and Tides

1 app4.5Utilities

Expands on basic wind data by including tidal and wave height information for maritime users.

Balanced Answers LDA

known forMulti-Stop Route XK Planner

1 app4.7Navigation

Targets delivery professionals needing route sequencing, distinct from maritime navigation requirements.

calimoto

known forcalimoto Motorcycle Navigation

2 apps4.2Navigation

Provides scenic motorcycle routing, differing from the maritime-focused algorithm used by the source.

Camera LLC(TX)

known forCompass∞

1 app4.6Navigation

Compass∞ targets the same outdoor navigation market as CoNav but focuses on multi-tool integration like flashlights and weather data.

Christophe Pereira

known forCompass ⊘

1 app4.6Navigation

Compass ⊘ provides basic orientation tools for outdoor enthusiasts, acting as a lightweight companion to CoNav's professional suite.

Circuit Routing

known forSpoke Route Planner

1 app4.5Navigation

Targets delivery logistics rather than maritime navigation, focusing on multi-stop efficiency for couriers.

CoreBit Solutions

known forCompass App - Qibla finder

1 app4.7Navigation

This app targets general way-finding and orientation, overlapping with CoNav's compass error analysis but lacking maritime-specific astronomical depth.

Dr. Harald Merkel

known forCelestial Navigation

1 app3.4Navigation

Celestial Navigation directly competes with CoNav by offering technical tools for position fixing via the intercept method.

Editions Systeme D

known forcycle.travel - map and planner

1 app4.8Navigation

Focuses on quiet lanes and traffic-free cycleways for cyclists, contrasting with maritime navigation.

Electronic Alchemy

known forCrosswind Calculator

1 app3.5Utilities

Offers a digital reference tool for pilots to verify wind components against runway headings.

EZ Celestial

known forEZ Celestial Navigation

2 apps5.0Navigation

EZ Celestial Navigation is a direct competitor to CoNav, providing digital astronomical tables for celestial fixes.

FB Imray Laurie Norie & Wilson

known forTides Planner

1 app3.8Navigation

Provides essential tide data for marine users, acting as a specialized utility rather than a route planner.

Florencia Martigani

known forLive Marine Traffic

1 app2.0Navigation

Live Marine Traffic provides real-time vessel tracking for maritime enthusiasts, complementing CoNav's navigation tools with live situational data.

Garmin

known forActiveCaptain®

1 app4.0Navigation

Extends Garmin marine hardware functionality rather than acting as a standalone navigation tool.

Goldlab Applications Yazilim Bilişim Anonim Şirketi

known forMapXplorer: Map Radar Navigate

1 app4.5Navigation

Serves general commuters rather than maritime professionals, focusing on road-based safety alerts.

Ihor Nosach

known forOptiway Multi Stop Planner

1 app4.7Navigation

Targets delivery and courier workflows, focusing on road-based constraint management rather than maritime navigation.

Joseph Kim

known forNautical Rules

1 app5.0Navigation

Nautical Rules serves as a training companion for the same maritime audience that uses CoNav for professional navigation.

KARDINAL

known forLaskar Route Planner

1 app5.0Navigation

Targets delivery drivers needing route optimization, lacking maritime-specific navigation tools.

Lascade

known forMarineRadar・Vessel Finder

2 apps4.3Navigation

MarineRadar provides real-time AIS tracking for the same maritime professionals who use CoNav for navigation.

Len Robinson

known forSpin-a-Wind

1 app4.6Utilities

Serves the aviation niche with a pilot-designed tool for calculating wind components.

MapQuest Holdings

known forRoadWarrior Route Planner

1 app4.0Navigation

Focuses on last-mile delivery logistics for couriers, distinct from maritime navigation needs.

Monocubed

known forUpper: Delivery Route Planner

1 app4.5Navigation

Manages complex delivery routes for field professionals, lacking maritime-specific navigation features.

Omar Reis

known forCelestial Navigator

1 app3.2Navigation

Celestial Navigator provides similar astronomical calculation tools as CoNav, specifically targeting celestial navigation training.

Peter Bohl

known forCompass - Professional

1 app4.6Navigation

Compass - Professional provides granular location data for outdoor users, serving as a simpler navigation alternative to CoNav's specialized astronomical tools.

Phan Nhat Đang

known forWind Chill Calculator - Calc

1 app4.4Utilities

Functions as a secondary calculation tool for environmental variables like wind chill and temperature.

Photo & Video Editors - Instant Solution

known forWind Compass

1 app4.6Utilities

Adds solar tracking and atmospheric data to the basic wind monitoring utility.

pinkfroot

known forShip Finder Lite

1 app4.3Navigation

Tracks live vessel positions globally, serving as a companion for maritime situational awareness.

Pipi Chick Studio

known forNOAA Marine Weather & Forecast

1 app4.6Utilities

Replaces manual input with real-time buoy data feeds for maritime weather monitoring.

Proalab

known forRoute Planner, Delivery, MyWay

1 app4.8Navigation

Manages multi-stop delivery workflows for couriers, lacking the maritime-specific constraints required by the source.

rapidrabbit

known forWind Speed Converter

1 app3.0Utilities

Provides a specialized conversion utility for wind speeds across multiple units.

Resting Cranes

known forPlaceMaker Route Planner

1 app4.7Navigation

Manages multi-stop delivery routes for sales personnel, lacking maritime-specific navigation tools.

RISER

known forCardo Ride - Motorcycle App

1 app4.5Navigation

Targets motorcycle riders with social features, whereas the source focuses on maritime route planning.

Route4Me

known forRoute4Me Route Planner

1 app4.4Navigation

Focuses on high-volume delivery logistics for couriers, distinct from the maritime focus.

Routin

known forRoutin Route Planner

1 app4.8Navigation

Focuses on multi-stop delivery optimization for couriers, distinct from maritime navigation.

Ryan Ramchandar

known forWindometer: Wind Speed Tracker

1 app4.4Utilities

Offers a real-time wind compass and location-based forecasting as an alternative to manual input.

Sea Tow Services International

known forSea Tow: Boat Towing & Weather

1 app4.6Utilities

Provides emergency boating assistance and real-time weather data for maritime safety.

Siarhei Dzerhachou

known forWind Speed Meter & Anemometer

1 app1.7Utilities

Provides a simple interface for checking wind speed and direction globally.

Skipjack Studios

known forBuoycast: NOAA Marine Weather

1 app4.6Utilities

Provides automated hourly forecasts and storm radar to assist with marine planning.

Skytip

known forCelestial Nav

1 app4.4Navigation

Celestial Nav is a direct alternative to CoNav, providing offline-capable sight reduction algorithms for mariners.

Stolanapp

known forWind Radar Map - Anemometer

2 apps4.4Utilities

Combines live radar maps with tide and wave data for a comprehensive wind tracking solution.

TrailBehind

known forGaia GPS: Mobile Trail Maps

1 app4.8Navigation

Focuses on backcountry and land-based navigation, contrasting with maritime-specific pathfinding.

WeatherFlow

known forSailFlow: Sailing Forecasts

1 app4.7Utilities

Integrates proprietary sensor networks with government data to provide hyper-local coastal observations for sailors.

Windfinder

known forWindfinder: Wind & Weather map

1 app4.7Utilities

Uses a proprietary 21,000-station network to provide automated data that renders manual calculation unnecessary.

Windy Weather World

known forWindHub: Sailing Weather

2 apps4.7Utilities

Targets the same sailing audience with professional-grade forecast aggregation and nautical chart overlays.

Windyty, SE

known forWindy.com

1 app4.7Utilities

Provides high-fidelity meteorological data that replaces manual calculation with automated, multi-model visualization.

The Analyst's Read

The bottom line on Vladyslav Yarmak

Bottom line

The publisher maintains a functional, utility-first portfolio that serves distinct professional niches. Their ability to deliver complex technical tools suggests strong domain expertise, though the lack of a unified category focus may limit brand recognition.

Frequently asked questions

How many apps does Vladyslav Yarmak publish?
Vladyslav Yarmak has 9 apps tracked by Marlvel, primarily in the Utilities category.
What kind of apps does Vladyslav Yarmak make?
Vladyslav Yarmak's portfolio is concentrated in Utilities and Navigation, with an average rating of 1.5/5 across rated apps.
What is Vladyslav Yarmak's top app?
By review volume across the portfolio, CoNav is Vladyslav Yarmak's best-known app tracked by Marlvel.
In how many countries are Vladyslav Yarmak's apps available?
Marlvel has tracked Vladyslav Yarmak's apps across 1 country.

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 Vladyslav Yarmak, 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. “Vladyslav Yarmak intelligence.” Updated 2026-05-04. https://marlvel.ai/publishers/vladyslav-yarmak

See methodologyContact support

Data licensed under CC-BY-NC 4.0