Tide Graph Pro vs ICW Navigate

Tide Graph Pro universal app provides over 9000 up to date and historical US tide and water current predictions without the need for an internet connection. The scrolling design and the optimized prediction engine was developed from the ground up based on formulas and data provided by the National Oceanic and Atmospheric Administration (NOAA). Additional Features of Pro version - Daily/Weekly/Monthly/Yearly tides graphs - Multiple Stations - High/Low tide Alert Notifications - Apple Watch Integration - Designed for iPad/iPhone and iPhoneX - Moon Chart - GPS/Map/Search Tides - Barometric Pressure calibration - Time offset calibration

ITC Navigate — Built for Florida's Intracoastal Waterway. The best of every marine navigation app I've used over the years, combined into one simple, easy-to-use app — you'll love it! ITC Navigate is the definitive marine navigation app for Florida boaters. Purpose-built for the 1,350 miles of protected coastal waterways from Fernandina Beach to Key West, it combines official NOAA nautical charts, real-time tide intelligence, marine weather forecasting, and our exclusive Water Safety Rating in one beautifully designed app. ITC Navigate is FREE to download. Core conditions — the Water Safety Rating, tides, marine weather, and music — are free to everyone, supported by a small banner ad. ITC Navigate Premium unlocks the full navigation experience and removes ads for $0.99/month or $9.99/year. WHAT PREMIUM UNLOCKS • Turn-by-turn route navigation with the on-water HUD • Your own saved waypoints and waypoint sequences • The boater community — shared waypoints and tracks • The Apple Watch app • Home Screen and Lock Screen widgets • An ad-free experience OFFICIAL NOAA NAUTICAL CHARTS • Authoritative NOAA Electronic Navigational Charts (ENCs) • Continuously updated chart data direct from NOAA • Depth soundings, buoys, and aids to navigation • Florida ICW channel geometry highlighted for easy following EXCLUSIVE WATER SAFETY RATING (FREE) A proprietary composite score blending wave height, wind, precipitation, tidal stage, and pressure trend into a single, glanceable percentage — plus a 24-hour forecast rating so you can plan ahead. PRECISION NAVIGATION (PREMIUM) • Real-time GPS with speed (SOG), course (COG), and heading • Persistent navigation HUD: bearing, distance, ETA • Cross-track error indicator with off-route haptic alerts • Pre-loaded ICW waypoints, mile markers, bridges, fuel docks, and anchorages • GPX import and export; long-press to drop waypoints anywhere TIDES & WATER CONDITIONS (FREE) • Auto-selects nearest NOAA CO-OPS tide station • Visual tide curve and 10-day high/low predictions • Current tidal stage and countdown to next event • Live water temperature, air temperature, wind, and pressure MARINE WEATHER FORECAST (FREE) • 10-day daily and 24-hour hourly forecasts • Wave height and swell forecasting • Precipitation probability timeline • Barometric pressure trends • Sunrise and sunset times with countdown APPLE WATCH & WIDGETS (PREMIUM) • Apple Watch app with Water Rating, tide times, wind, and sunset • Home Screen and Lock Screen widgets • Siri shortcuts: "What's the water rating?" and "When's the next high tide?" MUSIC INTEGRATION (FREE) Stream your Apple Music library and playlists while you navigate, with a persistent mini-player on every screen. OFFLINE READY • Download NOAA charts for offline use • Cached tide predictions work without signal • iCloud sync for waypoints and routes across your devices SAFETY NOTICE ITC Navigate is a navigation aid. Always carry official NOAA paper charts as backup and follow all USCG regulations. The Water Safety Rating is advisory only — always exercise your own judgment based on vessel, experience, and conditions. ITC Navigate Premium is an auto-renewable subscription ($0.99/month or $9.99/year). Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period; manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/