Report updated May 8, 2026
Sailing Reference
For beginner and seasoned sailors preparing for RYA navigation certifications.
Overview · Full Intel report in progress
Sailing Reference is an established reference app that is a paid app.
What is Sailing Reference?
Current Momentum
v2.1
No release notes available.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
ReferenceNo ranking data
Rating Pulse 🇺🇸
Gathering signals...
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Tools for estimating course to steer, interpolating tidal stream data, and calculating secondary port tide times and heights.
A collection of illustrated guides covering topics such as buoyage, distress procedures, VHF radio, and weather forecasting.
Utilities for calculating leeway, set and drift, compass deviation, and VHF radio transmission ranges.
All content and tools are accessible without a data connection, ensuring reliability at sea.
How much does it cost?
Who Built It?
Oliver Shingler
Providing specialized digital reference tools for professional engineers, clinicians, and hobbyists. Focused on niche utility and technical guidance.
Portfolio
6
Apps
What other apps does Oliver Shingler make?
Explore the full Oliver Shingler report
Portfolio breakdown, audience, momentum, and every app published by Oliver Shingler.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
Analysis in progress, available soon
What is the competitive landscape for Sailing Reference?
How's The Reference Market?
How does it evolve in the Reference market?
Rank progression
83 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Sailing Reference
Key Takeaways
This is a specialized, offline-first educational tool for sailors requiring quick access to navigation calculations and RYA-aligned reference material.
Where Is It Heading?
Trend analysis
Available very soon