Surf Window vs Windmaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Surf Window
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Surf Window helps you decide if it’s worth surfing—fast. Get a simple Go/Maybe/No decision, the best time window, and alerts for your favorite spots. Key Features -Go / Maybe / No in seconds based on your rules -Best Window: the best time range to surf today -Pick up to 3 favorite spots and switch instantly -Set your rules (wave height required; tide preference optional) -Alerts before conditions peak -Offline-ready: view cached data when the network is weak Premium (Auto-Renewable Subscriptions) Unlock more spots and extended forecasts (and other premium features in-app). Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple ID account settings. - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy Policy: https://garylee11.github.io/surf-window-support/privacy.html - Support:https://garylee11.github.io/surf-window-support/
Windmaster
This app provides detailed wind, wave, and tide forecasts for water sports enthusiasts. It allows users to compare multiple global forecast models, view live wind data from nearby stations, and receive personalized gear recommendations. Get alerts for optimal conditions and discover new spots worldwide.
- Masterforecast for accurate spot predictions
- Global forecast model comparison
- Live wind data with 6-hour trend
- Personalized kite/sail size recommendations
- Real tide curves
- Wind alerts for optimal sessions
- Interactive wind map
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Windmaster is the wind, wave, and tide forecast built for people who dare to challenge the conditions. Kitesurfers, windsurfers, wingers, and surfers: stop refreshing five different apps and guessing whether your spot is going to fire. WHY WINDMASTER Masterforecast: highly accurate calibrated forecast for your spot. Global forecasts: access global models and compare them to elevate accuracy of predictions for what works best on your local spot. Compare the models GFS, ECMWF, ICON, AROME and more, side by side, so you can see how much the forecast actually agrees before you commit to the drive. Live wind from the nearest station Real ground-truth readings from weather stations near your spot, updated continuously, with a 6-hour trend so you can see it building or fading. The right gear, every hour Set your weight, skill, and quiver once, and Windmaster recommends the kite or sail size for every hour of the forecast. No more rigging the wrong gear. Real tides Actual tide curves for coastal spots, because timing the session matters as much as the wind. Wind alerts A morning heads-up the moment one of your saved spots is set to turn on. Never miss a good day again. Interactive wind map See the wind across the whole region at a glance, scrub through time, and find new spots near you. Hand-picked spots worldwide From Tarifa to Cape Town to Le Morne, with curated local detail on wind directions and conditions. WINDMASTER PRO Unlock every forecast model, the live 6-hour wind trend, and wind alerts. Start with a free trial, cancel anytime. Built by riders, for riders. See you on the water. Terms of Use (EULA): https://windmaster.app/terms Privacy Policy: https://windmaster.app/privacy-policy
Screenshots
Verdict
The clearest difference is update cadence: Surf Window at every 5 days against Windmaster's fortnightly. On price, ads, in-app purchases and device support 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. Surf Window sells 3 in-app purchases, starting at $0.99 per 7 days and Windmaster sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Surf Window ships an update every 5 days, Windmaster fortnightly. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.
| Parameter | Surf Window | Windmaster |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | 广玉 李 | Swipe Up B.V. |
In-app purchases
Surf Window
- Weekly Premium7 Days trial$0.997 Days
- Monthly Premium7 Days trial$2.991 Month
- Yearly Premium7 Days trial$29.991 Year
Windmaster
- Yummy Pro Monthly14 Days trial$1.991 Month
- Windmaster Pro Yealry14 Days trial$8.991 Year









