TideSync vs Surfcast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TideSync
This utility tool provides precise marine data for ocean enthusiasts, including tides, weather, and solunar information. It offers offline global data and a native, interactive user experience.
- Global offline tide data
- Pro marine weather charts
- Interactive forecast charts
- Solunar timings and moon phases
- Native iOS experience
- Haptic feedback
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Sync with Nature TideSync is a pure utility tool crafted for ocean enthusiasts. Whether you are surfing, beachcombing, or sailing, we are dedicated to providing you with the most precise and fluid marine data experience. Stripping away the complexity, we utilize native iOS technologies to create a seamless interactive experience. Glide your finger across the screen to feel the rhythm of the tides. Key Features - Global Offline Data - No Internet Needed: Built-in harmonic constant database for 7,000+ major ports and stations worldwide. Accurate tide data is available anytime, anywhere, even offshore or on remote islands. Privacy First: All calculations are performed locally. Your location is used solely to find the nearest station and is never uploaded to the cloud. - Pro Marine Weather - Multi-Dimensional Charts: More than just tide heights. We provide critical data including Air Temperature, Wind Speed, Gusts, Swell, Ocean Currents, Water Temperature, UV Index, Humidity, Precipitation, Visibility, and Barometric Pressure. Dynamic Interaction: Master sea conditions with intuitive Interactive Charts. Drag the cursor to view detailed forecasts for any future moment. - Solunar Info - Precise Timings: Accurate Sunrise/Sunset and Moonrise/Moonset times. Moon Phase: Visual moon phase tracking helps you understand spring and neap tide cycles, aiding in planning your beach trips and fishing activities. - Native Experience - Ultra-Smooth: Built with native Swift for lightning-fast launch times and a lightweight footprint. Haptic Feedback: Experience physical-like vibrations when interacting with charts, thanks to our custom Haptic Feedback integration. Perfect For Surfing: Find the perfect swell window. Beachcombing: Know exactly when low tide hits to explore the intertidal zone. Sailing: Offline chart-grade data for safe navigation. Photography: Catch the golden hour and blue hour over the ocean. Download TideSync today and sync with the pulse of the ocean.
Surfcast
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Surfcast is a surf forecast for surfers who like to read the data themselves. Compare four wave models, check swell, wind and tide in 3-hour slots and pick the best session of the week. FORECAST FOR EVERY SESSION • Wave height, period and direction in 8 slots a day, from 00:00 to 21:00 • Primary, secondary and tertiary swell, plus wind waves • Wind speed and direction, and rain • Tide curve with high and low tide times • Swell overview graph: the coming days at a glance, tap any day to open it COMPARE FOUR WAVE MODELS Switch between GFS Wave (NOAA), ECMWF WAM, Météo-France MFWAM and DWD, or compare them on one chart. When the models agree, go surfing; when they don't, you know the forecast is uncertain. SPOTS WORLDWIDE • Browse spots by continent, country and region, or search by name • Spot map and spots near you • Favorite spots for quick access WIDGETS Home Screen and Lock Screen widgets with tide, swell and wave energy for your spot. YOUR UNITS Meters or feet, m/s or km/h, 12- or 24-hour time. SURFCAST PRO Free: 5-day forecast, all four wave models, up to 3 favorite spots. Pro: 16-day forecast, unlimited favorite spots and the Wind & Wave Pro widgets for your Home Screen. Surfcast Pro is available as a monthly or yearly auto-renewing subscription. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless it is canceled at least 24 hours before the end of the current period; renewal is charged within 24 hours before the end of the period. You can manage or cancel the subscription in your Apple Account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.surfcastapp.com/privacy.html
Screenshots
Verdict
The clearest difference is update cadence: TideSync at every 3 weeks against Surfcast's every 2 months. Surfcast's advantage is iOS requirement (17.0 vs 26.2). 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. Neither carries in-app purchases, so what you see is what you pay.
TideSync ships an update every 3 weeks, Surfcast every 2 months. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.
| Parameter | TideSync | Surfcast |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Xinyu Hong | Evgeny Ezub |
In-app purchases
TideSync
No in-app purchases
Surfcast
No in-app purchases









