PredictWind vs Tide Charts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PredictWind
Access highly accurate marine weather forecasts and advanced tools for wind, waves, and currents. Plan your voyages, optimize routes, and stay informed with real-time data and alerts for safer and more enjoyable time on the water.
- Accurate marine weather forecasts
- Wind, wave, and current data
- Weather Routing for optimal routes
- Departure Planning summaries
- High-resolution forecast maps
- Live wind observations and webcams
- Weather alerts
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Official weather supplier to the 37th America's Cup and The Ocean Race. Founded by Olympian and two-time America's Cup winner Jon Bilger, and used by over 2 million sailors, cruisers, fishers, boaters, paddlers, wingfoilers and kiters. Free wind, wave, tide, current and rain forecasts for anywhere on the water, from your home harbour to the middle of an ocean. FORECASTS YOU CAN CROSS-CHECK Compare the world's top-ranking models side by side: ECMWF, AIFS, ICON, UKMO and GFS, plus our own PWAi, PWG and PWE models. Add high-resolution regional models including HRRR, RRFS, AROME, ICON D2, UKMO 2K and our exclusive 1 km PWG & PWE, where available. When the models agree, go. When they don't, you know to wait. MAPS BUILT FOR THE WATER High-resolution forecast maps down to 1 km in selected areas for wind, gust, wave, rain, cloud, pressure, CAPE, air and sea temperature, ocean data and solunar, with animated streamlines, wind barbs or arrows and synoptic displays. Split-screen maps compare models or conditions, such as wind alongside currents. DASHBOARD TO SEE EVERYTHING Our new Dashboard brings together your Daily Briefing, wind, wave and tidal current maps, forecast graphs and a 10-day forecast, all in one view. WEATHER ROUTING PredictWind calculates the optimal route for comfort or speed, factoring in wind, wave, tide, ocean current, depth and your sailing yacht's or powerboat's dimensions and performance. Power Routing finds fuel-efficient routes tailored to your powerboat. Plan longer passages with ECMWF ensemble forecasts out to 30 days. DEPARTURE PLANNING See the conditions you'd meet across four departure times, then choose the departure window that suits your boat and your crew. TIDAL AND OCEAN CURRENT MAPS Tidal current maps at 100 m resolution in high-current areas, a 400 m model within 90 km of the coast and 4 km out to 600 km offshore, coupled with global ocean currents for the complete picture. AI ROUTING AND DEPARTURE SUMMARIES Trained for what matters to boaters, our AI summaries give you expert insight to help you make the right call and keep your family, friends and crew safe. PLAN AHEAD WITH CLIMATE DATA Explore 10 years of wind, wave and weather data, with monthly averages and wind and wave roses. Compare typical morning, afternoon and night conditions to choose when and where to sail, race or explore. PASSAGE GUIDE Find the best time of year for passages worldwide, with months rated Good, Marginal or Avoid, plus written summaries of historical conditions and seasonal planning advice. SEE WHAT'S HAPPENING RIGHT NOW Live wind observations, webcams and AIS coverage of more than 280,000 vessels, so you know the real conditions before you leave the dock. Hybrid satellite imagery, global rain radar and lightning overlays help you track approaching weather, rain and thunderstorms. ALSO INCLUDED • Daily Briefing: the forecast as a plain-text summary. • Tables: detailed wind, wave and rain analysis side by side. • Graphs: compare multiple forecasts at once. • Forecast Validation: see which model has been most accurate near you, checked against actual wind observations. • Weather Alerts: get told when your conditions arrive, including GMDSS extreme weather warnings. • Local Knowledge: the best spots, amenities and activities at your destination. • GPS Tracking: a free tracking page for your blog or website with wind data overlaid. • AI Polars: learn your boat's performance for more accurate routing. Requires a DataHub and Professional subscription. • Forecast Replay, Sail Crossover charts and comfort routing modes for maximum roll, vertical acceleration and slamming. Free to download, with forecasts for any location. Basic, Standard and Professional subscriptions add higher-resolution models, longer-range data and expert tools. Terms and conditions: https://www.predictwind.com/about-us/terms-and-conditions Privacy policy: https://www.predictwind.com/about-us/privacy-policy
Tide Charts
Access worldwide tidal estimates, lunar data, and weather forecasts. Plan outdoor adventures with ease using current radar and offline predictions. Supports Apple Watch and includes a Today Extension for quick access.
- Worldwide tidal estimates
- Lunar data
- Weather forecast
- Current radar
- Offline predictions
- Favorite station management
- Apple Watch support
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Finally a beautiful and simple way to view tides on your mobile device! In addition to worldwide tidal estimates at tide stations, you can see the lunar data, weather forecast, and current radar making your next outdoor adventure as easy to plan as possible. By default, the application will pick the closest tide station to you, but picking a different tide or weather station is as easy as viewing a map of your current location. You can also setup and quickly switch between many stored favorite stations if you need to. No internet access while outdoors? No problem. This app has been designed to give you tidal and lunar predictions without internet access! Tides at a glance • A clear chart of the whole day, with the current height marked and daylight hours shaded (lunar rise and set is the small gray bar on the bottom) • The times and heights of every high and low tide • Swipe left or right to move through the days, or pick a date on the calendar • Swipe down to see sunrise, sunset, moonrise, moonset and the phase of the moon • Subscribe for tide alerts that notify you before a chosen high or low tide • Home Screen widgets with today's tides and the next tide Worldwide Tidal Stations • Nearly 8,000 stations, from the coasts of the United States and Canada to Europe, Japan, Korea, Taiwan, Southeast Asia, Australia, New Zealand, South America and the Pacific islands • Find the nearest station with one tap, search by name, or browse the map, with satellite imagery when you want it • Keep your favorites one tap away Adjustable Height to Match Your Local Tide Table • Heights use the datum your local charts and tables use: MLLW in the United States, chart datum in Canada, Japan and Korea, LAT in Europe and Australia, MLWS in Peru and Ecuador (or you can choose your own from Mean Sea Level, MLLW, MLW, MLWS or LAT) Weather and Radar • Weather forecast is included for the station's location, with wind, temp, precipitation, and the day's high and low • Animated rain radar with a scrubber, so you can see what is coming Apple Watch • A full-screen tide chart on Apple Watch: turn the Digital Crown to step through highs, lows, sunrise, sunset and moon times, or drag to scrub through the next 30 days • Complications for every watch face, from a tide gauge to a chart of the next 24 hours, in the color you choose • Your favorite and nearby stations, with the current height and the next tide Tides is free with ads, however we do offer a one-time purchase to remove them if you would rather a clean distraction free experience.
Screenshots
Verdict
The clearest difference is ads: PredictWind at none against Tide Charts's shown. PredictWind also leads on review sentiment (84% vs 69%) and update cadence (every 9 days vs every 3 weeks). Tide Charts's advantage is device support (4 vs 2) and ratings volume (115K vs 33K). On price, rating, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PredictWind sells 10 in-app purchases, starting at $6.99 per month and Tide Charts sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for PredictWind against 4.8 for Tide Charts. Both are backed by a comparable volume of ratings — 33K and 115K respectively. Written reviews are what separate them: 84% of PredictWind's written reviews are positive against 69% of Tide Charts's.
PredictWind ships an update every 9 days, Tide Charts every 3 weeks. Both last shipped on November 10, 2026.
| Parameter | PredictWind | Tide Charts |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (33K ratings) — better | 4.8 (115K ratings) |
| Positive reviews | 84.4% of reviews — better | 68.9% of reviews |
| Number of ratings | 33K | 115K — better |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #24 — better | #38 |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 111 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | PredictWind Limited | 7th Gear |
Customer experience
PredictWind
Tide Charts
User reviews
PredictWind
From 33K App Store ratingsWhat we love
- 👍 Accurate weather forecasts
- 🚀 Comprehensive data and features
- 💡 Useful for sailing, fishing, and other outdoor activities
- 👍 Easy to use and navigate
- 🚀 Reliable and dependable
Room to improve
- 🐛 Occasional inaccuracies in weather predictions
- 💰 Expensive subscription costs
- 🔒 Difficult to cancel subscription
- 🔒 Locked into using proprietary hardware and services
- 🔒 Limited free features
Tide Charts
From 115K App Store ratingsWhat we love
- 🚀 Clear tide information
- 👍 Useful for planning activities
- 💡 Comprehensive data including weather and moon phases
- 🤖 Accurate and reliable
- 🌟 Great app for Apple Watch
Room to improve
- 🐛 Inaccurate tide data in some locations
- 🙈 Intrusive and unskippable ads
- 🤯 Ads crashing the app
- 🤔 Confusing UI and navigation
- 🤖 Unreliable Apple Watch complications
Bugs and requests
PredictWind
Reported bugs
3 issues- App crashes or freezes on some devices
- Inconsistent performance across different locations
- Subscription issues and billing problems
Requested features
5 requests- Improved integration with other apps and charts
- More frequent weather model updates
- Earlier weather forecast updates
- Ability to customize alert settings
- Improved offline functionality
Tide Charts
Reported bugs
4 issues- Tide data off by several hours
- Tide graph not displaying correctly
- App crashing on ad dismissal
- Apple Watch complications freezing
Requested features
5 requests- Ability to set custom locations
- Improved accuracy and data sources
- Option to purchase ad-free version
- Landscape mode support
- More detailed tide height information
In-app purchases
PredictWind
- Basic - Monthly7 Days trial$6.991 Month
- Basic - 3 Monthly7 Days trial$12.003 Months
- Basic - Annual7 Days trial$29.001 Year
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- Standard - Monthly7 Days trial$49.001 Month
- Standard - 3 Monthly$99.003 Months
- Professional - Monthly7 Days trial$99.001 Month
- Standard - 3 Monthly7 Days trial$99.003 Months
- Standard - Annual7 Days trial$249.001 Year
- Professional - 3 Monthly7 Days trial$249.003 Months
- Professional - Annual7 Days trial$499.001 Year
Tide Charts
- Remove Ads$1.99






