# TideSync > Offline marine data tool for tides, weather, and solunar information. (iPhone/iPad app by Xinyu Hong.) - Source: https://appshunter.io/ios/app/tidesync/id6760349625 (this page in markdown: same URL + `.md`) - Developer: [Xinyu Hong](https://appshunter.io/developer/1883449097) - Category: Weather - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: +4 - Requires: iOS 26.2 · 17 MB - Languages: German (Germany), Chinese (Simplified, China), Korean, European Spanish, French (France), American English, Japanese - Released: 2026-03-14 - Data updated: 2026-09-04 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/tidesync/id6760349625/reviews.md ## What is TideSync? 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. ## Key features - Global offline tide data - Pro marine weather charts - Interactive forecast charts - Solunar timings and moon phases - Native iOS experience - Haptic feedback ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/tidesync/id6760349625/reviews.md ### 5/5 — Cool TideSync *2026-03-16* Beautiful app and super enjoyable to use. The design feels modern and polished, and it makes complex tide and weather information surprisingly easy to understand. The map is very intuitive—you can zoom in and choose any spot freely. I also really like the tide table, especially being able to swipe through different days and feel the rhythm of the tides. Everything feels smooth, clear, and thoughtfully designed. One of the best marine apps I’ve used. ## Frequently asked questions about TideSync ### What is TideSync? TideSync is a utility tool designed for ocean enthusiasts, offering precise marine data such as tides, weather forecasts, and solunar information. It focuses on providing a seamless, offline experience using native iOS technologies. ### Does TideSync have ads? No, TideSync is ad-free. The application does not contain advertisements, ensuring an uninterrupted user experience. ### Is TideSync available offline? Yes, TideSync offers global offline data for over 7,000 ports and stations worldwide. This means accurate tide data is accessible anytime, anywhere, even without an internet connection. ### What kind of marine weather data does TideSync provide? TideSync offers multi-dimensional marine weather charts including air temperature, wind speed and gusts, swell, ocean currents, water temperature, UV index, humidity, precipitation, visibility, and barometric pressure. ### How does TideSync handle user privacy? TideSync prioritizes privacy by performing all calculations locally. Your location is only used to find the nearest station and is never uploaded to the cloud. ### What devices is TideSync compatible with? TideSync is compatible with iPhone and iPad devices. It is built using native Swift for optimal performance on these platforms. ### How often is TideSync updated? TideSync was last updated on April 6, 2026, with version 1.1. The app is actively maintained to ensure reliable and accurate data. ### What is the age rating for TideSync? TideSync has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content. ## Version history (last 2 releases) ### 1.1 — 2026-04-06 Added more language settings ### 1.0 — 2026-03-14 No release notes. ## More apps by Xinyu Hong - [Tempera](https://appshunter.io/ios/app/tempera/id6761679524) - [MetaAura](https://appshunter.io/ios/app/metaaura/id6766271860) - [MellowPaws: Cozy Mood Tracker](https://appshunter.io/ios/app/mellowpaws-cozy-mood-tracker/id6770824167) All apps by Xinyu Hong: https://appshunter.io/developer/1883449097 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-04.*