SailTimer™ is a marine navigation app for sailboat racers and cruisers that provides tacking calculations and crowdsourced wind mapping on iOS and Android.
Product velocity
Maintenance
Daily rank 🇺🇸
#191
Navigation · grossing
Sentiment
4.2
499 reviews
Nemesis
Fragmented field
The App DNA
What makes this app unique?
Users hire the app to calculate optimal tacking distances and TTD for racing, a task standard GPS chartplotters fail to perform.
For Sailboat racers, cruisers, and marine vessel operators requiring precise tacking calculations and localized wind data.
Key features
Calculates tacking distances and TTD using polar plots and wind data.
Visualizes wind and wave conditions using real-time measurements from other boaters.
Connects to proprietary hardware to display real-time wind direction, angle, and speed.
How much does it cost?
Freemium model utilizes low-cost subscription gates for specialized data layers and one-time in-app purchases for regional chart access.
Velocity
Maintenance developmentnew contentUX improvementsShow more...
SailTimer™ maintains a slow release cadence, with only two updates recorded over the last six months, averaging roughly 0.08 releases per week. Development is currently focused on integrating third-party marine weather data and AI-driven ocean current models. The release history shows a stable, low-frequency update pattern rather than a high-velocity or live-ops-driven model. The current pace suggests a focus on periodic feature enhancements rather than frequent iterative improvements.
Who built it?
User Sentiment
What do users think recently?
Recent user voice shows a frustrated sentiment. Users appreciate advanced tactical sailing features provide detailed performance data for active racing enthusiasts.
How are ratings & reviews evolving?
What users say, by theme
- Advanced tactical sailing features provide detailed performance data for active racing enthusiasts
- Inconsistent map loading and chart availability frustrate users during active navigation sessions
48 of 48 recent reviews analyzed · high confidence · Frustrated overall
Read the full review analysisUnlock 1 more frustration theme and 1 user request, each backed by review evidence.
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Competitive landscape for SailTimer™
How's the Navigation market?
SailTimer™ sits at #172 Grossing in US Navigation, with a 1.8-star rating on iOS indicating significant user dissatisfaction. The gap between its specialized racing utility and poor technical reliability prevents it from capturing broader cruising market share.
Read the market outlookThe rivals identified
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Key takeaways for SailTimer™
Where is it heading?
Users report: The maritime navigation market is consolidating around professional-grade data accuracy, leaving SailTimer™ exposed if it cannot resolve its core stability issues. The PM must pivot from feature expansion to technical hygiene to prevent the current churn rate from permanently damaging the brand's reputation among racing enthusiasts.
- Persistent map-loading failures during active navigation sessions erode trust, which compounds the rating drag already visible on the iOS platform.
- Recent integration of AI-driven marine weather forecasting shows active feature investment, which may help differentiate the app from static chartplotters.
The SWOT
- Proprietary tacking algorithm functions as a brand moat for racing segments
- Hardware-software bundle strategy drives B2B revenue via proprietary sensor sales
- Manual coordinate entry would address a top-requested feature gap
- Education partnerships could serve as an untapped B2B distribution channel
Next best moves
Audit map-loading logic because it is the #1 complaint theme → reduce churn
+ 1 more prioritized moveThe counter-intuitive read
The app's poor rating is a feature of its niche…
Read the full takeFeature gaps
Professional-grade NOAA chart integration (available in NavLink US) +1
Since the last report: The report highlights a transition from broad stability concerns to specific technical failures in map rendering, alongside a new focus on hardware-software bundling and manual coordinate entry.
Bottom line
SailTimer™ holds a unique racing niche through its tacking algorithm, but technical instability and aggressive monetization of basic navigation tools drive high churn, so the PM must prioritize stability over new feature expansion to retain the core user base.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
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