Report updated May 20, 2026
OpenSeaMap
For marine enthusiasts and sailors seeking a community-driven, open-source alternative to commercial nautical charting software.
Overview · Full Intel report in progress
OpenSeaMap is an established navigation app that is free with in-app purchases. With a 1.0/5 rating from 1 reviews, it shows polarized user reception.
What is OpenSeaMap?
Current Momentum
v4.4 · 3w ago
IntenseLast updated 22d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
NavigationNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Are The Key Features?
Provides free worldwide sea charts with integrated nautical information, including lights and harbor data.
Supports continuous tracking, waypoint management, and manual coordinate entry for navigation.
Allows users to store up to 1 million map tiles locally for use without an active internet connection.
Features optical zoom functionality to adjust chart reading size and map detail.
How much does it cost?
Who Built It?
appdoctors UG
Equipping professionals and technical enthusiasts with high-precision utility tools for solar tracking, maritime navigation, and data management.
Portfolio
9
Apps
What other apps does appdoctors UG make?
Explore the full appdoctors UG report
Portfolio breakdown, audience, momentum, and every app published by appdoctors UG.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for OpenSeaMap?
Where is it available?
Localized markets (12)
How's The Navigation Market?
How does it evolve in the Navigation market?
Rank progression
20 active rankings tracked — 30-day window
Which niche is OpenSeaMap in?
to navigate nautical routes using digital charts
Explore the full Sailing Navigators niche
Every app in this space — 16 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for OpenSeaMap
Key Takeaways
While the app offers a comprehensive feature set for nautical navigation, user feedback highlights significant concerns regarding stability, performance, and data detail compared to commercial alternatives.
Where Is It Heading?
Trend analysis
Available very soon