TZ iBoat – Marine Navigation

Boat GPS, Charts, AIS, Tides

Free · In‑App Purchases

Just launched: TZ iBoat 4. A complete redesign with enhanced weather & seamless navigation. Upgrade now and experience the difference. 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/

  • 4.7
    out of 5
    828 Ratings

This new version introduces a completely redesigned interface with faster, more intuitive access to essential functions. • New design with dedicated screens: Navigation, Logbook, Instruments, Weather, Anchoring, Tides, Sonar, Ocean-O. Navigate quickly thanks to the new TZ Bar. • New Rain Radar with expanded offshore coverage and real-time lightning strike display. • NMEA connections have been improved and instrument setup has been simplified. • New Latitude / Longitude keyboard. • Simplified access to file import through a new dedicated entry point. • Numerous improvements in interface, performance, and accessibility.

The developer, Nobeltec, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • Nobeltec, Inc.
Size
  • 438.9 MB
Category
  • Navigation
Compatibility
Requires iOS 14.2 or later.
  • iPhone
    Requires iOS 14.2 or later.
  • iPad
    Requires iPadOS 14.2 or later.
  • iPod touch
    Requires iOS 14.2 or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Location
  • This app may use your location even when it isn’t open, which can decrease device battery life.
Languages
English and 8 more
  • English, French, German, Italian, Japanese, Norwegian Bokmål, Polish, Russian, Spanish
Age Rating
4+
In-App Purchases
Yes
  • USA $19.99
  • Premium Subscription $9.99
  • Elite Subscription $39.99
  • Central America & Caribbean $30.99
  • Bahamas $30.99
  • Canada West $19.99
  • AIS module $8.99
  • Great Lakes $19.99
  • Radar module $49.99
  • Western Mediterranean $40.99
Copyright
  • © 2026 Nobeltec, Inc.