Last updated 19d ago

Tidey

By Robin Stein

Tidey is a maritime navigation app for UK sailors that provides offline tidal stream data and racing tools on iOS.

Product velocity

Maintenance

updated 2d ago

Daily rank 🇺🇸

—

Sports

Sentiment

—

Nemesis

—

Fragmented field

No rivals identified

The App DNA

What makes this app unique?

It removes the dependency on cellular connectivity at sea, which displaces data-dependent navigation tools that fail in remote coastal environments.

For UK-based sailors and maritime racers who require tidal flow data for navigation and course planning.

What does it look like?

Key features

Offline Tidal Streamsedge

Downloads national tidal stream data for use without cellular connectivity at sea. [Revenue Link: Brand and moat — provides utility in remote maritime environments where competitors requiring constant data connections fail.]

High-Resolution Local Modelsedge

Replaces national tidal stream data with detailed local models where available. [Revenue Link: Premium-tier gate (Tidey Race) — direct paid-conversion lever for professional or high-stakes racing users.]

Course Builder and Racing Toolsstandard

Calculates wind angles and plots racing marks for sailing navigation. [Revenue Link: Retention — provides specialized utility for the core sailing user base, increasing app stickiness.]

How much does it cost?

freemiumFree: national tidal streams every 2 hoursTidey Cruise: national tidal streams every 15 minutesTidey Race: includes all Cruise features plus high-resolution local areas

Freemium model gates data granularity and geographic precision behind two subscription tiers.

Velocity

Maintenance developmentnew contentmonetizationinternationalizationShow more...

Tidey maintains a maintenance-tier cadence, with only two releases identified in the recent window. The latest release introduced substantial new functionality, including expanded regional coverage and free access to advanced race modes. Development appears focused on feature expansion and service accessibility rather than frequent iterative updates. The app has been updated within the last 2 days, indicating current developer activity despite the low overall release frequency.

See all version history

Who built it?

Robin Stein

1 app tracked · Sports

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store

0.00 · 0

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Tidey

How's the Sports market?

Tidey occupies a niche in the UK maritime sports category by prioritizing offline utility over broad-market feature sets. The recent update expanding coverage to Ireland signals a move to capture a larger regional audience while maintaining a lean, performance-focused positioning.

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The rivals identified

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The Analyst's Read

Key takeaways for Tidey

Where is it heading?

Users report: The maritime navigation market is shifting toward higher-precision, localized data, and Tidey is well-positioned to capture this by gating granularity behind subscription tiers. Maintaining this offline-first advantage will be critical as competitors attempt to bridge the connectivity gap in remote coastal waters.

The latest release expanded UK and Ireland coverage, signaling active feature investment rather than maintenance mode.
Transitioning race tools to the free tier increases the top-of-funnel user base, which should accelerate conversion to Tidey Race for high-resolution data.

The SWOT

Core Strengths

Offline-first architecture removes the connectivity dependency rivals require
High-resolution local models provide a defensible premium-tier gate

Critical Frictions 1 weakness inside

Growth Levers

Expansion into non-UK coastal markets where tidal-stream data remains fragmented and connectivity is inconsistent

Market Threats 1 threat identified

Next best moves

1 Pivot

Pivot racing tools to free-tier acquisition because it removes the barrier for casual sailors → increase top-of-funnel conversion to Tidey Race

The counter-intuitive read

Tidey's decision to make racing tools free is…

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Bottom line

Tidey's offline-first architecture addresses the primary friction point for maritime navigation in remote areas, creating a defensible position against data-dependent rivals. Prioritizing the expansion of high-resolution local models will deepen the value proposition for the racing segment.

Unlock 1 critical friction, 1 market threat and the analyst’s take.

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FAQ

Is Tidey suitable for professional maritime navigation?

Tidey is marketed as a planning aid rather than a primary navigation instrument. Users should always check official sources and conditions before going afloat.

How does Tidey compare to standard maritime apps?

Tidey differentiates itself with an offline-first architecture that downloads national tidal stream data, allowing it to function without cellular connectivity at sea, unlike many competitors.

Does Tidey require a subscription to use?

Tidey offers a free tier with national tidal streams every 2 hours. Subscription tiers (Tidey Cruise and Tidey Race) provide higher data frequency and high-resolution local models.

Are there free alternatives to Tidey's racing tools?

Tidey recently made its course builder and racing tools free for all users, providing a specialized utility for sailing navigation without requiring a subscription.

Sources

[1] App Store

Report last updated Oct 21, 2026