Shelter Island Mapping Company
For maritime professionals, fishers, and boaters requiring real-time, glanceable tide and current data.
Snapshot
Who is Shelter Island Mapping Company?
Providing maritime professionals and outdoor enthusiasts with high-precision tide and current data for global navigation and planning.
Target audience
Portfolio
Free 2Last updated
Tides Near Me
v3.13.1
3mo ago
Publisher DNA
What defines Shelter Island Mapping Company?
Publisher DNA
Primary focus
Maritime navigation and tide tracking tools
Scale
indie
Target audience
Maritime professionals, fishers, and boaters requiring real-time, glanceable tide and current data.
Signature Patterns
- •Single-product focus on high-utility maritime and astronomical data
- •Deep integration with hardware-specific features including Apple Watch and Home Screen widgets
- •Freemium monetization model optimized for quick-reference utility
- •High-frequency update cycle to maintain platform compatibility and data accuracy
Portfolio momentum
Maintained an intense update cadence with 12 releases in the last 6 months for their flagship title, with the most recent update occurring 24 days ago.
Portfolio
What does Shelter Island Mapping Company ship?
Apps
3 apps analysed
Standalone watch app functionality creates a high-utility barrier for watch-first demographics
- Hyper-local tide data provides consistent accuracy for coastal residents and recreational fishing enthusiasts
- Forced location permissions prevent users from checking tide data for locations outside their current area
Analysis in progress
Distributed across 16 markets, strongest in Europe.
Based on 2 of 3 apps with localized market data, more coverage rolling in as scans complete · last scanned .
Americas (4)
- Brazil2 / 2
- Canada2 / 2
- Mexico2 / 2
- United States2 / 2
Europe (7)
- France2 / 2
- Germany2 / 2
- Italy2 / 2
- Netherlands2 / 2
- Portugal2 / 2
›+2 more europe markets
- Spain2 / 2
- United Kingdom2 / 2
Asia-Pacific (5)
- Australia2 / 2
- India2 / 2
- Japan2 / 2
- Singapore2 / 2
- South Korea2 / 2
Core markets (2/2 apps)
User Sentiment
How do users feel about their apps?
1
Positive apps
0
Neutral / mixed
0
Negative apps
82/100
Avg sentiment score
Rivals
Who does Shelter Island Mapping Company compete with?
The rivals identified
Nemeses(1)
Both apps target coastal and outdoor enthusiasts with watch-integrated tide data, creating direct competition for the same user base.
Contenders(9)
It targets the same coastal user base in the UK and Ireland with long-range tide and celestial data.
Both applications target coastal residents and maritime enthusiasts with localized tide and weather data, competing for the same user base on Apple platforms.
Both applications target marine enthusiasts with freemium tide forecasting, competing directly for the same user base on Apple platforms.
Both apps target recreational boaters and anglers with tide prediction, competing for the same user base seeking quick, location-based maritime data.
This app targets the same outdoor-planning audience, though focused on geomagnetic events rather than maritime tides.
Both applications target coastal residents and maritime professionals with freemium tide forecasting, creating direct competition for the same user base.
Both apps compete for the same coastal audience by providing localized maritime data for activities like fishing and surfing. They overlap directly in the tide prediction utility space.
Both applications target the recreational fishing and maritime audience by providing tide and environmental data, creating direct competition for the same user base.
UK Tides targets the same coastal user base by providing a specialized offline-first value proposition that removes the connectivity dependency Tides Near Me requires.
Same space(22)
This app offers offline-first weather data that competes for the same remote-user audience.
Marine Weather and Tides acts as a generalist aggregator for sailors and fishermen, covering both weather and tidal information.
Marine Weather-Wind Tide Wave provides a technical map-based interface for marine sports enthusiasts using multi-model weather simulations.
Tides Planner offers a similar offline-first experience for global tide tracking, serving a wide range of coastal leisure users.
This app overlaps with the maritime audience by consolidating tide and solunar data into a single planning interface.
Tides for Fishermen provides a paid utility for localized tidal and weather tracking, specifically targeting the angling market.
Marine Weather Forecast Pro targets the professional segment of the maritime market by synthesizing high-fidelity satellite and multi-model data.
It targets the same maritime and surf-focused audience with specialized long-range swell forecasting.
Tide Guide for Beaches Near Me focuses on visual tide tracking for beachgoers, emphasizing real-time status over complex charts.
NOAA Tide Chart & Tables targets the same maritime audience with a focus on official tide predictions and solunar data.
NOAA Marine Weather & Forecast targets the same recreational water users but relies on direct NOAA buoy integration for its core utility.
It offers general weather forecasting that overlaps with the broader planning needs of the user base.
Buoycast provides a similar marine-focused utility for boaters and divers by integrating real-time NOAA data.
Buoyweather serves offshore anglers by providing proprietary wave models that offer higher resolution than standard public datasets.
CatchTime targets the fishing market by blending multiple environmental factors into a single score for specific locations.
This app serves the same maritime planning audience by synthesizing solunar and tide data into an efficiency score.
It provides high-definition radar data that serves the same outdoor-planning utility.
Saltwater Tides & Forecast serves US anglers with an offline-first approach to solunar feeding windows and tide data.
PNW Current Atlas provides a regional alternative for users in the Pacific Northwest needing offline current prediction charts.
This app serves the same outdoor enthusiast segment with a visual radar map that creates a daily habit.
It shares the maritime and wind-dependent user base, utilizing a massive network of weather stations for precision.
It targets the same wind-sport and maritime audience with specialized wind-meter and compass data.
New entrants(1)
Tidewell provides an offline-first tide tracking experience for coastal users, using harmonic constants for device-side computation.
The Analyst's Read
The bottom line on Shelter Island Mapping Company
Bottom line
Shelter Island Mapping Company is a highly specialized indie publisher that has successfully defended its niche through technical depth and platform integration. Their single-app strategy demonstrates that a focused utility can achieve significant scale and user loyalty without diversifying into broader weather categories.
Frequently asked questions
How many apps does Shelter Island Mapping Company publish?
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What fed this analysis
- Apps analyzed:
- 1
- With full intel:
- 0
- With overview:
- 1
- Website scraped:
- yes
- Social presence:
- no