TZ iBoat – Marine Navigation

Your next-generation chartplotter.
Navigate with the world’s #1 marine charts app for coastal boating, sailing, and fishing.
Marine GPS, nautical charts, AIS Online, tides & tidal currents, anchoring, marine weather, radar, sounder, and NMEA data — everything you need for safer navigation at sea.
Built for sailors, boaters, and fishermen who need reliable navigation anywhere, online or offline.

THE SMARTEST AND CLEAREST NAVIGATION INTERFACE AT SEA
A cutting-edge interface makes navigation clearer and faster:

• TZ Bar: quick access to key features
• Dedicated screens: Weather, Fishing, NavData, Logbook, Mooring, Tides, Sounder
• Cleaner chart view, easier to read
• Customizable interface for faster access
• Modern design focused on readability

WHAT YOU CAN DO WITH TZ iBoat

• Navigate with marine GPS and nautical charts
• Monitor AIS targets locally and globally
• Plan routes and anchor safely
• Access tides, currents, and weather forecasts
• Fish smarter using oceanographic data

FOR SAILORS & BOATERS – Navigate safely

• TZ MAPS: vector, raster, satellite, and bathymetry charts
• SMART SEARCH: find marinas, buoys, tide stations, routes
• DYNAMIC LIGHTS: real-time light sectors
• DYNAMIC MOORINGS: wind-aware anchorage
• Precise GPS for coastal navigation

AIS & SAFETY – Stay aware beyond your horizon

• AIS ONLINE: global AIS targets via internet (Essential plan)
• Share AIS data with the community
• Radar and onboard instrument integration
• Real-time traffic awareness for safer navigation

FOR FISHERMEN – Gain the edge
Turn ocean data into real fishing results:

• Identify productive zones using SST, chlorophyll, currents, altimetry (Elite plan)
• Spot fish-holding conditions faster
• BATHYVISION: high-resolution bathymetry with contour lines
• Target high-potential areas with precision
• EVENT & CATCH: log and analyze catches on nautical charts

WEATHER – Clearer and more useful

• Dedicated Weather screen
• Real-time forecasts and offline access
• Rain Radar with lightning data
• High-resolution models available in Premium plan
• Iridium GO! compatibility

CONNECTIVITY & PRECISION

• NMEA connectivity: manage and prioritize data sources
• Connect AIS, radar, autopilot, and instruments
• Latitude/longitude keyboard optimized for use at sea
• Easy coordinate entry with multiple formats

COMMUNITY & ECOSYSTEM

• COMMUNITY MAPS: share local knowledge (hazards, POIs, marinas)
• Contribute and improve charts
• Trusted by 500,000+ boaters worldwide

SUBSCRIPTION PLANS
Choose the plan that fits your needs:

• Essential: AIS Online, onboard instruments, autopilot integration via Wi-Fi NMEA
• Premium: Essential + high-resolution forecasts, Rain Radar, multiple models, comparison
• Elite: Premium + ocean layers (SST, Chlorophyll, SSH, Currents).

Monthly and annual plans available, with savings on yearly options. Core features remain available for free.

CHARTS AND DATA PLANS SUBSCRIPTIONS:
The payment will be debited from the Apple account once the purchase is confirmed.
The subscriptions and automatic renewals can be managed by entering the account settings after making the purchase.
Any unused part of a free trial period, if offered, will be lost when a subscription is purchased.
Terms of use: https://mytimezero.com/eula/
Privacy policy: https://mytimezero.com/privacy-statement/

Explore Tidal Currents Further!
You can now explore Tidal Currents beyond the weather forecast period, independently of your selected weather model.
A new shortcut makes them easier to access from the Weather screen. Weather and SFO data can also be hidden for a clearer chart view.

Anchor Watch Improvement:

• Your existing trail is preserved when Anchor Watch starts.
• Default radius is 30 m and remembers your last setting.
• Smoother editing: no handle jumping or chart movement.